BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): C1330,...,C1467; Open Circuit in Right Front Speed Sensor Circuit; 2019 - 2020 MY Avalon [04/2018

Last Modified: 08-21-2023	6.11:8.1.0	Doc ID: RM100000001AZ8K
Model Year Start: 2019	Model: Avalon	Prod Date Range: [04/2018 - 08/2020]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): C1330,...,C1467; Open Circuit in Right Front Speed Sensor Circuit; 2019 - 2020 MY Avalon [04/2018 - 08/2020]

DTC

C1330

Open Circuit in Right Front Speed Sensor Circuit

DTC

C1331

Open Circuit in Left Front Speed Sensor Circuit

DTC

C1332

Open Circuit in Right Rear Speed Sensor Circuit

DTC

C1333

Open Circuit in Left Rear Speed Sensor Circuit

DTC

C1464

Front Speed Sensor RH Circuit

DTC

C1465

Front Speed Sensor LH Circuit

DTC

C1466

Rear Speed Sensor RH Circuit

DTC

C1467

Rear Speed Sensor LH Circuit

DESCRIPTION

Each speed sensor detects wheel speed and sends signals to the skid control ECU (brake actuator assembly). These signals are used by the ABS control.

HINT:

The output voltage values shown below are for when the vehicle wire harnesses are connected to the skid control ECU (brake actuator assembly) and the speed sensors.

for Front

for Rear

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C1330	Open Circuit in Right Front Speed Sensor Circuit	An open or short in the speed sensor signal circuit.	Front speed sensor RH Front skid control sensor wire RH* Speed sensor circuit Front speed sensor installation
C1331	Open Circuit in Left Front Speed Sensor Circuit	An open or short in the speed sensor signal circuit.	Front speed sensor LH Front skid control sensor wire LH* Speed sensor circuit Front speed sensor installation
C1332	Open Circuit in Right Rear Speed Sensor Circuit	An open or short in the speed sensor signal circuit.	Rear speed sensor RH (rear axle hub and bearing assembly RH) Skid control sensor wire RH (No. 1 parking brake wire assembly) Speed sensor circuit Rear speed sensor installation
C1333	Open Circuit in Left Rear Speed Sensor Circuit	An open or short in the speed sensor signal circuit.	Rear speed sensor LH (rear axle hub and bearing assembly LH) Skid control sensor wire LH (No. 2 parking brake wire assembly) Speed sensor circuit Rear speed sensor installation
C1464	Front Speed Sensor RH Circuit	Any of the following is detected: The vehicle speed is more than 50.4 km/h (31 mph) and pulses are not detected for 0.4 seconds. After the initial start or restart and when the vehicle speed has reached 12 km/h (7 mph), a wheel speed of 0 km/h (0 mph) is detected. After the initial start or restart and when the vehicle speed has reached 20 km/h (12 mph), a front wheel speed of 0 km/h (0 mph) is detected. The following conditions are met for 9 to 72 seconds or more (varies depending on the driving conditions): The difference between the speed of the fastest wheel and the speed of the slowest wheel is 5% or more of the vehicle speed. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 15% is allowable.) The vehicle speed is less than 100 km/h (62 mph) and the difference between the speed of the fastest wheel and the speed of the slowest wheel is 5 km/h (3 mph) or more. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 16 km/h (10 mph) is allowable.) The vehicle speed is 100 km/h (62 mph) or more and the difference between the speed of the fastest wheel and the speed of the slowest wheel is 6% or more of the vehicle speed. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 15% is allowable.) Wheel speed sensor signal fluctuation is equivalent to 98 G or more, or alternates between 50 G or more and -50 G or less. An abnormal signal is received from a wheel speed sensor.	Front speed sensor RH Front skid control sensor wire RH* Speed sensor circuit Front speed sensor rotor RH (front axle hub sub-assembly RH) Front speed sensor installation
C1465	Front Speed Sensor LH Circuit	Any of the following is detected: The vehicle speed is more than 50.4 km/h (31 mph) and pulses are not detected for 0.4 seconds. After the initial start or restart and when the vehicle speed has reached 12 km/h (7 mph), a wheel speed of 0 km/h (0 mph) is detected. After the initial start or restart and when the vehicle speed has reached 20 km/h (12 mph), a front wheel speed of 0 km/h (0 mph) is detected. The following conditions are met for 9 to 72 seconds or more (varies depending on the driving conditions): The difference between the speed of the fastest wheel and the speed of the slowest wheel is 5% or more of the vehicle speed. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 15% is allowable.) The vehicle speed is less than 100 km/h (62 mph) and the difference between the speed of the fastest wheel and the speed of the slowest wheel is 5 km/h (3 mph) or more. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 16 km/h (10 mph) is allowable.) The vehicle speed is 100 km/h (62 mph) or more and the difference between the speed of the fastest wheel and the speed of the slowest wheel is 6% or more of the vehicle speed. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 15% is allowable.) Wheel speed sensor signal fluctuation is equivalent to 98 G or more, or alternates between 50 G or more and -50 G or less. An abnormal signal is received from a wheel speed sensor.	Front speed sensor LH Front skid control sensor wire LH* Speed sensor circuit Front speed sensor rotor LH (front axle hub sub-assembly LH) Front speed sensor installation
C1466	Rear Speed Sensor RH Circuit	Any of the following is detected: The vehicle speed is more than 50.4 km/h (31 mph) and pulses are not detected for 0.4 seconds. After the initial start or restart and when the vehicle speed has reached 12 km/h (7 mph), a wheel speed of 0 km/h (0 mph) is detected. After the initial start or restart and when the vehicle speed has reached 20 km/h (12 mph), a rear wheel speed of 0 km/h (0 mph) is detected. The following conditions are met for 9 to 72 seconds or more (varies depending on the driving conditions): The difference between the speed of the fastest wheel and the speed of the slowest wheel is 5% or more of the vehicle speed. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 15% is allowable.) The vehicle speed is less than 100 km/h (62 mph) and the difference between the speed of the fastest wheel and the speed of the slowest wheel is 5 km/h (3 mph) or more. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 16 km/h (10 mph) is allowable.) The vehicle speed is 100 km/h (62 mph) or more and the difference between the speed of the fastest wheel and the speed of the slowest wheel is 6% or more of the vehicle speed. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 15% is allowable.) Wheel speed sensor signal fluctuation is equivalent to 98 G or more, or alternates between 50 G or more and -50 G or less. An abnormal signal is received from a wheel speed sensor.	Rear speed sensor RH (rear axle hub and bearing assembly RH) Speed sensor circuit Skid control sensor wire RH (No. 1 parking brake wire assembly) Rear speed sensor rotor RH (rear axle hub and bearing assembly RH) Rear speed sensor installation
C1467	Rear Speed Sensor LH Circuit	Any of the following is detected: The vehicle speed is more than 50.4 km/h (31 mph) and pulses are not detected for 0.4 seconds. After the initial start or restart and when the vehicle speed has reached 12 km/h (7 mph), a wheel speed of 0 km/h (0 mph) is detected. After the initial start or restart and when the vehicle speed has reached 20 km/h (12 mph), a rear wheel speed of 0 km/h (0 mph) is detected. The following conditions are met for 9 to 72 seconds or more (varies depending on the driving conditions): The difference between the speed of the fastest wheel and the speed of the slowest wheel is 5% or more of the vehicle speed. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 15% is allowable.) The vehicle speed is less than 100 km/h (62 mph) and the difference between the speed of the fastest wheel and the speed of the slowest wheel is 5 km/h (3 mph) or more. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 16 km/h (10 mph) is allowable.) The vehicle speed is 100 km/h (62 mph) or more and the difference between the speed of the fastest wheel and the speed of the slowest wheel is 6% or more of the vehicle speed. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 15% is allowable.) Wheel speed sensor signal fluctuation is equivalent to 98 G or more, or alternates between 50 G or more and -50 G or less. An abnormal signal is received from a wheel speed sensor.	Rear speed sensor LH (rear axle hub and bearing assembly LH) Speed sensor circuit Skid control sensor wire LH (No. 2 parking brake wire assembly) Rear speed sensor rotor LH (rear axle hub and bearing assembly LH) Rear speed sensor installation

*: w/ AVS

HINT:

DTCs C1330 and C1464 are for the front speed sensor RH.
DTCs C1331 and C1465 are for the front speed sensor LH.
DTCs C1332 and C1466 are for the rear speed sensor RH.
DTCs C1333 and C1467 are for the rear speed sensor LH.

DTC Detection Conditions: C1464

		Vehicle Condition
		Pattern 1	Pattern 2	Pattern 3	Pattern 4
Diagnosis Condition	The vehicle speed is more than 50.4 km/h (31 mph).	○	-	-	-
	After the initial start or restart and when the vehicle speed has reached 12 km/h (7 mph).	-	○	-	-
	After the initial start or restart and when the vehicle speed has reached 20 km/h (12 mph).	-	-	○	-
Malfunction Status	Pulses are not detected.	○	-	-	-
	A wheel speed of 0 km/h (0 mph) is detected.	-	○	-	-
	A front wheel speed of 0 km/h (0 mph) is detected.	-	-	○	-
	The difference between the speed of the fastest wheel and the speed of the slowest wheel is 5% or more of the vehicle speed. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 15% is allowable.)	-	-	-	○
Detection Time		0.4 seconds	-	-	9 to 72 seconds or more (varies depending on the driving conditions)
Number of Trips		1 trip	1 trip	1 trip	1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

DTC Detection Conditions: C1464

		Vehicle Condition
		Pattern 5	Pattern 6	Pattern 7	Pattern 8
Diagnosis Condition	The vehicle speed is less than 100 km/h (62 mph).	○	-	-	-
Diagnosis Condition	The vehicle speed is 100 km/h (62 mph) or more.	-	○	-	-
Malfunction Status	The difference between the speed of the fastest wheel and the speed of the slowest wheel is 5 km/h (3 mph) or more. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 16 km/h (10 mph) is allowable.)	○	-	-	-
	The difference between the speed of the fastest wheel and the speed of the slowest wheel is 6% or more of the vehicle speed. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 15% is allowable.)	-	○	-	-
	Wheel speed sensor signal fluctuation is equivalent to 98 G or more, or alternates between 50 G or more and -50 G or less.	-	-	○	-
	An abnormal signal is received from a wheel speed sensor.	-	-	-	○
Detection Time		9 to 72 seconds or more (varies depending on the driving conditions)	9 to 72 seconds or more (varies depending on the driving conditions)	-	-
Number of Trips		1 trip	1 trip	1 trip	1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

DTC Detection Conditions: C1465

		Vehicle Condition
		Pattern 1	Pattern 2	Pattern 3	Pattern 4
Diagnosis Condition	The vehicle speed is more than 50.4 km/h (31 mph).	○	-	-	-
	After the initial start or restart and when the vehicle speed has reached 12 km/h (7 mph).	-	○	-	-
	After the initial start or restart and when the vehicle speed has reached 20 km/h (12 mph).	-	-	○	-
Malfunction Status	Pulses are not detected.	○	-	-	-
	A wheel speed of 0 km/h (0 mph) is detected.	-	○	-	-
	A front wheel speed of 0 km/h (0 mph) is detected.	-	-	○	-
	The difference between the speed of the fastest wheel and the speed of the slowest wheel is 5% or more of the vehicle speed. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 15% is allowable.)	-	-	-	○
Detection Time		0.4 seconds	-	-	9 to 72 seconds or more (varies depending on the driving conditions)
Number of Trips		1 trip	1 trip	1 trip	1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

DTC Detection Conditions: C1465

		Vehicle Condition
		Pattern 5	Pattern 6	Pattern 7	Pattern 8
Diagnosis Condition	The vehicle speed is less than 100 km/h (62 mph).	○	-	-	-
Diagnosis Condition	The vehicle speed is 100 km/h (62 mph) or more.	-	○	-	-
Malfunction Status	The difference between the speed of the fastest wheel and the speed of the slowest wheel is 5 km/h (3 mph) or more. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 16 km/h (10 mph) is allowable.)	○	-	-	-
	The difference between the speed of the fastest wheel and the speed of the slowest wheel is 6% or more of the vehicle speed. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 15% is allowable.)	-	○	-	-
	Wheel speed sensor signal fluctuation is equivalent to 98 G or more, or alternates between 50 G or more and -50 G or less.	-	-	○	-
	An abnormal signal is received from a wheel speed sensor.	-	-	-	○
Detection Time		9 to 72 seconds or more (varies depending on the driving conditions)	9 to 72 seconds or more (varies depending on the driving conditions)	-	-
Number of Trips		1 trip	1 trip	1 trip	1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

DTC Detection Conditions: C1466

		Vehicle Condition
		Pattern 1	Pattern 2	Pattern 3	Pattern 4
Diagnosis Condition	The vehicle speed is more than 50.4 km/h (31 mph).	○	-	-	-
	After the initial start or restart and when the vehicle speed has reached 12 km/h (7 mph).	-	○	-	-
	After the initial start or restart and when the vehicle speed has reached 20 km/h (12 mph).	-	-	○	-
Malfunction Status	Pulses are not detected.	○	-	-	-
	A wheel speed of 0 km/h (0 mph) is detected.	-	○	-	-
	A rear wheel speed of 0 km/h (0 mph) is detected.	-	-	○	-
	The difference between the speed of the fastest wheel and the speed of the slowest wheel is 5% or more of the vehicle speed. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 15% is allowable.)	-	-	-	○
Detection Time		0.4 seconds	-	-	9 to 72 seconds or more (varies depending on the driving conditions)
Number of Trips		1 trip	1 trip	1 trip	1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

DTC Detection Conditions: C1466

		Vehicle Condition
		Pattern 5	Pattern 6	Pattern 7	Pattern 8
Diagnosis Condition	The vehicle speed is less than 100 km/h (62 mph).	○	-	-	-
Diagnosis Condition	The vehicle speed is 100 km/h (62 mph) or more.	-	○	-	-
Malfunction Status	The difference between the speed of the fastest wheel and the speed of the slowest wheel is 5 km/h (3 mph) or more. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 16 km/h (10 mph) is allowable.)	○	-	-	-
	The difference between the speed of the fastest wheel and the speed of the slowest wheel is 6% or more of the vehicle speed. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 15% is allowable.)	-	○	-	-
	Wheel speed sensor signal fluctuation is equivalent to 98 G or more, or alternates between 50 G or more and -50 G or less.	-	-	○	-
	An abnormal signal is received from a wheel speed sensor.	-	-	-	○
Detection Time		9 to 72 seconds or more (varies depending on the driving conditions)	9 to 72 seconds or more (varies depending on the driving conditions)	-	-
Number of Trips		1 trip	1 trip	1 trip	1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

DTC Detection Conditions: C1467

		Vehicle Condition
		Pattern 1	Pattern 2	Pattern 3	Pattern 4
Diagnosis Condition	The vehicle speed is more than 50.4 km/h (31 mph).	○	-	-	-
	After the initial start or restart and when the vehicle speed has reached 12 km/h (7 mph).	-	○	-	-
	After the initial start or restart and when the vehicle speed has reached 20 km/h (12 mph).	-	-	○	-
Malfunction Status	Pulses are not detected.	○	-	-	-
	A wheel speed of 0 km/h (0 mph) is detected.	-	○	-	-
	A rear wheel speed of 0 km/h (0 mph) is detected.	-	-	○	-
	The difference between the speed of the fastest wheel and the speed of the slowest wheel is 5% or more of the vehicle speed. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 15% is allowable.)	-	-	-	○
Detection Time		0.4 seconds	-	-	9 to 72 seconds or more (varies depending on the driving conditions)
Number of Trips		1 trip	1 trip	1 trip	1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

DTC Detection Conditions: C1467

		Vehicle Condition
		Pattern 5	Pattern 6	Pattern 7	Pattern 8
Diagnosis Condition	The vehicle speed is less than 100 km/h (62 mph).	○	-	-	-
Diagnosis Condition	The vehicle speed is 100 km/h (62 mph) or more.	-	○	-	-
Malfunction Status	The difference between the speed of the fastest wheel and the speed of the slowest wheel is 5 km/h (3 mph) or more. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 16 km/h (10 mph) is allowable.)	○	-	-	-
	The difference between the speed of the fastest wheel and the speed of the slowest wheel is 6% or more of the vehicle speed. (If the speed of any wheel is less than 5 km/h (3 mph), a speed difference of up to 15% is allowable.)	-	○	-	-
	Wheel speed sensor signal fluctuation is equivalent to 98 G or more, or alternates between 50 G or more and -50 G or less.	-	-	○	-
	An abnormal signal is received from a wheel speed sensor.	-	-	-	○
Detection Time		9 to 72 seconds or more (varies depending on the driving conditions)	9 to 72 seconds or more (varies depending on the driving conditions)	-	-
Number of Trips		1 trip	1 trip	1 trip	1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

WIRING DIAGRAM

for Front

for Rear

PROCEDURE

1.	RECONFIRM DTC

(a) Clear the DTCs.

Chassis > ABS/VSC/TRAC/EPB > Clear DTCs

(b) Turn the engine switch off.

(d) Drive the vehicle at a speed of 54 km/h (34 mph) or more for at least 120 seconds.

(e) Check if the same DTC is output.

Chassis > ABS/VSC/TRAC/EPB > Trouble Codes

Result	Proceed to
C1330 or C1464 is output	A
C1331 or C1465 is output	B
C1332 or C1466 is output	C
C1333 or C1467 is output	D

GO TO STEP 8

GO TO STEP 14

GO TO STEP 19

2.	CHECK FRONT SPEED SENSOR RH INSTALLATION

(a) Turn the engine switch off.

*1	Front Speed Sensor RH
*a	Correct
*b	Incorrect
*c	8.5 N*m
*d	No clearance

(b) Check the front speed sensor RH installation.

OK:

There is no clearance between the front speed sensor RH and the front steering knuckle RH.

The installation bolt is tightened properly.

Torque

8.5 N*m (87 kgf*cm, 75 in.*lbf)

REINSTALL OR REPLACE FRONT SPEED SENSOR RH

3.	CHECK FRONT SPEED SENSOR RH (CHECK FOR FOREIGN MATTER)

(a) Remove the front speed sensor RH.

Click here

(b) Check the front speed sensor RH tip.

OK:

The front speed sensor RH tip is free of scratches, oil, and foreign matter.

NOTICE:

If there is oil or foreign matter on the front speed sensor RH, clean the front speed sensor RH.
If the front speed sensor RH is damaged, replace the front speed sensor RH with a new one.
Check the front speed sensor RH signal after cleaning or replacement.
Click here

CLEAN OR REPLACE FRONT SPEED SENSOR RH

4.	CHECK FRONT SPEED SENSOR ROTOR RH (CHECK FOR FOREIGN MATTER)

(a) Remove the front speed sensor rotor RH (front axle hub sub-assembly RH).

Click here

(b) Check the front speed sensor rotor RH.

OK:

The front speed sensor rotor RH is free of scratches, oil, and foreign matter.

NOTICE:

If there is oil or foreign matter on the front speed sensor rotor RH, clean the front speed sensor rotor RH.
If the front speed sensor rotor RH is damaged, replace the front speed sensor rotor RH with a new one.
Check the front speed sensor RH signal after cleaning or replacement.
Click here

HINT:

The front speed sensor rotor RH is incorporated into the front axle hub sub-assembly RH.
If the front speed sensor rotor RH needs to be replaced, replace it together with the front axle hub sub-assembly RH.

Result	Proceed to
OK (w/o AVS)	A
OK (w/ AVS)	B
NG (The front speed sensor rotor RH is damaged.)	C
NG (There is foreign matter on the front speed sensor rotor RH.)	D

GO TO STEP 6

REPLACE FRONT AXLE HUB SUB-ASSEMBLY RH

CLEAN FRONT SPEED SENSOR ROTOR RH

5.	CHECK HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY - FRONT SPEED SENSOR RH)

(a) Turn the engine switch off.

(b) Make sure that there is no looseness at the locking part and the connecting part of the connectors.

OK:

The connector is securely connected.

(d) Disconnect the A59 front speed sensor RH connector.

(e) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(f) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
A28-21 (FR+) - A59-1 (FR+)	Always	Below 1 Ω
A28-26 (FR-) - A59-2 (FR-)	Always	Below 1 Ω
A28-21 (FR+) or A59-1 (FR+) - Body ground	Always	10 kΩ or higher
A28-26 (FR-) or A59-2 (FR-) - Body ground	Always	10 kΩ or higher

REPLACE FRONT SPEED SENSOR RH

REPAIR OR REPLACE HARNESS OR CONNECTOR

6.	INSPECT FRONT SKID CONTROL SENSOR WIRE RH

(a) Turn the engine switch off.

Front view of front skid control sensor wire RH

Front view of wire harness connector

(to Sensor Side Connector)

Front view of wire harness connector

(to Vehicle Side Connector)

(b) Make sure that there is no looseness at the locking part and the connecting part of the connectors.

OK:

The connector is securely connected.

(d) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
z16-2 (FR-) - A58-5 (FR-)	Always	Below 1 Ω
z16-1 (FR+) - A58-6 (FR+)	Always	Below 1 Ω
A58-5 (FR-) - z16-1 (FR+)	Always	10 kΩ or higher
z16-2 (FR-) or A58-5 (FR-) - Body ground and other terminals	Always	10 kΩ or higher
z16-1 (FR+) or A58-6 (FR+) - Body ground and other terminals	Always	10 kΩ or higher

NOTICE:

Check the front speed sensor RH signal after replacement.

Click here

REPLACE FRONT SKID CONTROL SENSOR WIRE RH

7.	CHECK HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY - FRONT SKID CONTROL SENSOR WIRE RH)

(a) Make sure that there is no looseness at the locking part and the connecting part of the connectors.

OK:

The connector is securely connected.

(b) Disconnect the A28 skid control ECU (brake actuator assembly) connector.

(d) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
A28-26 (FR-) - A58-5 (FR-)	Always	Below 1 Ω
A28-21 (FR+) - A58-6 (FR+)	Always	Below 1 Ω
A28-26 (FR-) or A58-5 (FR-) - Body ground	Always	10 kΩ or higher
A28-21 (FR+) or A58-6 (FR+) - Body ground	Always	10 kΩ or higher

REPLACE FRONT SPEED SENSOR RH

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.	CHECK FRONT SPEED SENSOR LH INSTALLATION

(a) Turn the engine switch off.

*1	Front Speed Sensor LH
*a	Correct
*b	Incorrect
*c	8.5 N*m
*d	No clearance

(b) Check the front speed sensor LH installation.

OK:

There is no clearance between the front speed sensor LH and the front steering knuckle LH.

The installation bolt is tightened properly.

Torque

8.5 N*m (87 kgf*cm, 75 in.*lbf)

REINSTALL OR REPLACE FRONT SPEED SENSOR LH

9.	CHECK FRONT SPEED SENSOR LH (CHECK FOR FOREIGN MATTER)

(a) Remove the front speed sensor LH.

Click here

(b) Check the front speed sensor LH tip.

OK:

The front speed sensor LH tip is free of scratches, oil, and foreign matter.

NOTICE:

If there is oil or foreign matter on the front speed sensor LH, clean the front speed sensor LH.
If the front speed sensor LH is damaged, replace the front speed sensor LH with a new one.
Check the front speed sensor LH signal after cleaning or replacement.
Click here

CLEAN OR REPLACE FRONT SPEED SENSOR LH

10.	CHECK FRONT SPEED SENSOR ROTOR LH (CHECK FOR FOREIGN MATTER)

(a) Remove the front speed sensor rotor LH (front axle hub sub-assembly LH).

Click here

(b) Check the front speed sensor rotor LH.

OK:

The front speed sensor rotor LH is free of scratches, oil, and foreign matter.

NOTICE:

If there is oil or foreign matter on the front speed sensor rotor LH, clean the front speed sensor rotor LH.
If the front speed sensor rotor LH is damaged, replace the front speed sensor rotor LH with a new one.
Check the front speed sensor LH signal after cleaning or replacement.
Click here

HINT:

The front speed sensor rotor LH is incorporated into the front axle hub sub-assembly LH.
If the front speed sensor rotor LH needs to be replaced, replace it together with the front axle hub sub-assembly LH.

Result	Proceed to
OK (w/o AVS)	A
OK (w/ AVS)	B
NG (The front speed sensor rotor LH is damaged.)	C
NG (There is foreign matter on the front speed sensor rotor LH.)	D

GO TO STEP 12

REPLACE FRONT AXLE HUB SUB-ASSEMBLY LH

CLEAN FRONT SPEED SENSOR ROTOR LH

11.	CHECK HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY - FRONT SPEED SENSOR LH)

(a) Turn the engine switch off.

(b) Make sure that there is no looseness at the locking part and the connecting part of the connectors.

OK:

The connector is securely connected.

(d) Disconnect the A61 front speed sensor LH connector.

(e) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(f) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
A28-7 (FL-) - A61-2 (FL-)	Always	Below 1 Ω
A28-24 (FL+) - A61-1 (FL+)	Always	Below 1 Ω
A28-7 (FL-) or A61-2 (FL-) - Body ground	Always	10 kΩ or higher
A28-24 (FL+) or A61-1 (FL+) - Body ground	Always	10 kΩ or higher

REPLACE FRONT SPEED SENSOR LH

REPAIR OR REPLACE HARNESS OR CONNECTOR

12.	INSPECT FRONT SKID CONTROL SENSOR WIRE LH

(a) Turn the engine switch off.

Front view of front skid control sensor wire LH

Front view of wire harness connector

(to Sensor Side Connector)

Front view of wire harness connector

(to Vehicle Side Connector)

(b) Make sure that there is no looseness at the locking part and the connecting part of the connectors.

OK:

The connector is securely connected.

(d) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
z15-2 (FL-) - A60-5 (FL-)	Always	Below 1 Ω
z15-1 (FL+) - A60-6 (FL+)	Always	Below 1 Ω
A60-5 (FL-) - z15-1 (FL+)	Always	10 kΩ or higher
z15-2 (FL-) or A60-5 (FL-) - Body ground and other terminals	Always	10 kΩ or higher
z15-1 (FL+) or A60-6 (FL+) - Body ground and other terminals	Always	10 kΩ or higher

NOTICE:

Check the front speed sensor LH signal after replacement.

Click here

REPLACE FRONT SKID CONTROL SENSOR WIRE LH

13.	CHECK HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY - FRONT SKID CONTROL SENSOR WIRE LH)

(a) Make sure that there is no looseness at the locking part and the connecting part of the connectors.

OK:

The connector is securely connected.

(b) Disconnect the A28 skid control ECU (brake actuator assembly) connector.

(d) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
A28-7 (FL-) - A60-5 (FL-)	Always	Below 1 Ω
A28-24 (FL+) - A60-6 (FL+)	Always	Below 1 Ω
A28-7 (FL-) or A60-5 (FL-) - Body ground	Always	10 kΩ or higher
A28-24 (FL+) or A60-6 (FL+) - Body ground	Always	10 kΩ or higher

REPLACE FRONT SPEED SENSOR LH

REPAIR OR REPLACE HARNESS OR CONNECTOR

14.	CHECK REAR SPEED SENSOR RH INSTALLATION

(a) Turn the engine switch off.

*1	Rear Speed Sensor RH
*a	OK
*b	NG
*c	No Clearance

(b) Check the rear speed sensor RH installation.

OK:

There is no clearance between the rear speed sensor RH and the rear axle hub RH.

HINT:

Because the rear axle hub and bearing assembly RH cannot be disassembled, if the rear speed sensor RH needs replacement, replace the rear axle hub and bearing assembly RH.

Result	Proceed to
OK (w/o AVS)	A
OK (w/ AVS)	B
NG	C

GO TO STEP 17

REPLACE REAR AXLE HUB AND BEARING ASSEMBLY RH

15.	INSPECT NO. 1 PARKING BRAKE WIRE ASSEMBLY

(a) Turn the engine switch off.

Front view of skid control sensor wire RH (No. 1 parking brake wire assembly)

Front view of wire harness connector

(to Sensor Side Connector)

Front view of wire harness connector

(to Vehicle Side Connector)

(b) Make sure that there is no looseness at the locking part and the connecting part of the connectors.

OK:

The connector is securely connected.

(d) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Y5-1 (RA-) - YK5-2 (RR-)	Always	Below 1 Ω
Y5-2 (RA+) - YK5-1 (RR+)	Always	Below 1 Ω
Y5-1 (RA-) - YK5-1 (RR+)	Always	10 kΩ or higher
Y5-1 (RA-) or YK5-2 (RR-) - Body ground and other terminals	Always	10 kΩ or higher
Y5-2 (RA+) or YK5-1 (RR+) - Body ground and other terminals	Always	10 kΩ or higher

NOTICE:

Check the rear speed sensor RH signal after replacement.

Click here

REPLACE NO. 1 PARKING BRAKE WIRE ASSEMBLY

16.	CHECK HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY - NO. 1 PARKING BRAKE WIRE ASSEMBLY)

(a) Make sure that there is no looseness at the locking part and the connecting part of the connector.

OK:

The connector is securely connected.

(b) Disconnect the A28 skid control ECU (brake actuator assembly) connector.

(d) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
A28-37 (RR-) - YK5-2 (RR-)	Always	Below 1 Ω
A28-22 (RR+) - YK5-1 (RR+)	Always	Below 1 Ω
A28-37 (RR-) or YK5-2 (RR-) - Body ground	Always	10 kΩ or higher
A28-22 (RR+) or YK5-1 (RR+) - Body ground	Always	10 kΩ or higher

REPLACE REAR AXLE HUB AND BEARING ASSEMBLY RH

REPAIR OR REPLACE HARNESS OR CONNECTOR

17.	INSPECT NO. 1 PARKING BRAKE WIRE ASSEMBLY

(a) Turn the engine switch off.

Front view of skid control sensor wire RH (No. 1 parking brake wire assembly)

Front view of wire harness connector

(to Sensor Side Connector)

Front view of wire harness connector

(to Vehicle Side Connector)

(b) Make sure that there is no looseness at the locking part and the connecting part of the connectors.

OK:

The connector is securely connected.

(d) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Y5-1 (RA-) - YK3-2 (RR-)	Always	Below 1 Ω
Y5-2 (RA+) - YK3-1 (RR+)	Always	Below 1 Ω
Y5-1 (RA-) - YK3-1 (RR+)	Always	10 kΩ or higher
Y5-1 (RA-) or YK3-2 (RR-) - Body ground and other terminals	Always	10 kΩ or higher
Y5-2 (RA+) or YK3-1 (RR+) - Body ground and other terminals	Always	10 kΩ or higher

NOTICE:

Check the rear speed sensor RH signal after replacement.

Click here

REPLACE NO. 1 PARKING BRAKE WIRE ASSEMBLY

18.	CHECK HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY - NO. 1 PARKING BRAKE WIRE ASSEMBLY)

(a) Make sure that there is no looseness at the locking part and the connecting part of the connector.

OK:

The connector is securely connected.

(b) Disconnect the A28 skid control ECU (brake actuator assembly) connector.

(d) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
A28-37 (RR-) - YK3-2 (RR-)	Always	Below 1 Ω
A28-22 (RR+) - YK3-1 (RR+)	Always	Below 1 Ω
A28-37 (RR-) or YK3-2 (RR-) - Body ground	Always	10 kΩ or higher
A28-22 (RR+) or YK3-1 (RR+) - Body ground	Always	10 kΩ or higher

REPLACE REAR AXLE HUB AND BEARING ASSEMBLY RH

REPAIR OR REPLACE HARNESS OR CONNECTOR

19.	CHECK REAR SPEED SENSOR LH INSTALLATION

(a) Turn the engine switch off.

*1	Rear Speed Sensor LH
*a	OK
*b	NG
*c	No Clearance

(b) Check the rear speed sensor LH installation.

OK:

There is no clearance between the rear speed sensor LH and the rear axle hub LH.

HINT:

Because the rear axle hub and bearing assembly LH cannot be disassembled, if the rear speed sensor LH needs replacement, replace the rear axle hub and bearing assembly LH.

Result	Proceed to
OK (w/o AVS)	A
OK (w/ AVS)	B
NG	C

GO TO STEP 22

REPLACE REAR AXLE HUB AND BEARING ASSEMBLY LH

20.	INSPECT NO. 2 PARKING BRAKE WIRE ASSEMBLY

(a) Turn the engine switch off.

Front view of skid control sensor wire LH (No. 2 parking brake wire assembly)

Front view of wire harness connector

(to Sensor Side Connector)

Front view of wire harness connector

(to Vehicle Side Connector)

(b) Make sure that there is no looseness at the locking part and the connecting part of the connectors.

OK:

The connector is securely connected.

(d) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Y2-1 (LA-) - YK6-2 (RL-)	Always	Below 1 Ω
Y2-2 (LA+) - YK6-1 (RL+)	Always	Below 1 Ω
Y2-1 (LA-) - YK6-1 (RL+)	Always	10 kΩ or higher
Y2-1 (LA-) or YK6-2 (RL-) - Body ground and other terminals	Always	10 kΩ or higher
Y2-2 (LA+) or YK6-1 (RL+) - Body ground and other terminals	Always	10 kΩ or higher

NOTICE:

Check the rear speed sensor LH signal after replacement.

Click here

REPLACE NO. 2 PARKING BRAKE WIRE ASSEMBLY

21.	CHECK HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY - NO. 2 PARKING BRAKE WIRE ASSEMBLY)

(a) Make sure that there is no looseness at the locking part and the connecting part of the connector.

OK:

The connector is securely connected.

(b) Disconnect the A28 skid control ECU (brake actuator assembly) connector.

(d) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
A28-23 (RL-) - YK6-2 (RL-)	Always	Below 1 Ω
A28-39 (RL+) - YK6-1 (RL+)	Always	Below 1 Ω
A28-23 (RL-) or YK6-2 (RL-) - Body ground	Always	10 kΩ or higher
A28-39 (RL+) or YK6-1 (RL+) - Body ground	Always	10 kΩ or higher

REPLACE REAR AXLE HUB AND BEARING ASSEMBLY LH

REPAIR OR REPLACE HARNESS OR CONNECTOR

22.	INSPECT NO. 2 PARKING BRAKE WIRE ASSEMBLY

(a) Turn the engine switch off.

Front view of skid control sensor wire LH (No. 2 parking brake wire assembly)

Front view of wire harness connector

(to Sensor Side Connector)

Front view of wire harness connector

(to Vehicle Side Connector)

(b) Make sure that there is no looseness at the locking part and the connecting part of the connectors.

OK:

The connector is securely connected.

(d) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Y2-1 (LA-) - YK4-2 (RL-)	Always	Below 1 Ω
Y2-2 (LA+) - YK4-1 (RL+)	Always	Below 1 Ω
Y2-1 (LA-) - YK4-1 (RL+)	Always	10 kΩ or higher
Y2-1 (LA-) or YK4-2 (RL-) - Body ground and other terminals	Always	10 kΩ or higher
Y2-2 (LA+) or YK4-1 (RL+) - Body ground and other terminals	Always	10 kΩ or higher

NOTICE:

Check the rear speed sensor LH signal after replacement.

Click here

REPLACE NO. 2 PARKING BRAKE WIRE ASSEMBLY

23.	CHECK HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY - NO. 2 PARKING BRAKE WIRE ASSEMBLY)

(a) Make sure that there is no looseness at the locking part and the connecting part of the connector.

OK:

The connector is securely connected.

(b) Disconnect the A28 skid control ECU (brake actuator assembly) connector.

(d) Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
A28-23 (RL-) - YK4-2 (RL-)	Always	Below 1 Ω
A28-39 (RL+) - YK4-1 (RL+)	Always	Below 1 Ω
A28-23 (RL-) or YK4-2 (RL-) - Body ground	Always	10 kΩ or higher
A28-39 (RL+) or YK4-1 (RL+) - Body ground	Always	10 kΩ or higher

REPLACE REAR AXLE HUB AND BEARING ASSEMBLY LH

REPAIR OR REPLACE HARNESS OR CONNECTOR