Last Modified: 11-20-2023 |
6.11:8.1.0 |
Doc ID: RM100000001SARE |
Model Year Start: 2021 |
Model: Camry |
Prod Date Range: [10/2020 -
] |
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM (w/ Electric Parking Brake System): C051223; Right Rear Wheel Speed Sensor Signal Stuck Low; 2021 - 2024 MY Camry [10/2020 - ] |
DTC
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C051223
|
Right Rear Wheel Speed Sensor Signal Stuck Low
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DESCRIPTION
Refer to DTC C051212
Click here
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
C051223
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Right Rear Wheel Speed Sensor Signal Stuck Low
|
-
When the vehicle is driven from 0 km/h to 12 km/h (0 mph to 7 mph), the wheel speed is 1.8 km/h (1.1 mph) or less for 0.6 seconds or more.
-
When the wheel speed has not exceeded 1.8 km/h (1.1 mph), the vehicle speed reaches 18 km/h (11 mph).
-
When the vehicle speed and wheel speed are both 43.2 km/h (26.8 mph) or more, the pulse signal is not detected for 0.08 seconds or more.
|
-
Rear speed sensor RH (rear axle hub and bearing assembly RH)*1
-
Rear speed sensor RH*2
-
speed sensor installation
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*1: for 2WD
*2: for AWD
DTC Detection Conditions: C051223
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Vehicle Condition
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Pattern 1
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Pattern 2
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Pattern 3
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Diagnosis Condition
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The vehicle is driven from 0 km/h to 12 km/h (0 mph to 7 mph).
|
○
|
-
|
-
|
The vehicle speed reaches 18 km/h (11 mph).
|
-
|
○
|
-
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The vehicle speed and wheel speed are both 43.2 km/h (26.8 mph) or more.
|
-
|
-
|
○
|
Malfunction Status
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The wheel speed is 1.8 km/h (1.1 mph) or less.
|
○
|
-
|
-
|
The wheel speed has not exceeded 1.8 km/h (1.1 mph).
|
-
|
○
|
-
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The pulse signal is not detected.
|
-
|
-
|
○
|
Detection Time
|
0.6 seconds or more.
|
-
|
0.08 seconds or more.
|
Number of Trips
|
1 trip
|
1 trip
|
1 trip
|
HINT:
DTC will be output when conditions for either of the patterns in the table above are met.
CAUTION / NOTICE / HINT
NOTICE:
-
After replacing or removing and installing a speed sensor, perform Dealer Mode (Signal Check) inspection to confirm that the speed sensors are operating correctly.
Click here
-
DTC precaution
Click here
Procedure to clear warning lights (When not clearing DTCs)
Procedure
|
-
Repair or replacement.
-
Turn the ignition switch to ON.
-
Drive the vehicle at 2 km/h (1 mph) or more to clear the warning lights.
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PROCEDURE
1.
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CHECK FREEZE FRAME DATA (WHEEL SPEED)
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(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Enter the following menus: Chassis / Brake/EPB / Trouble Codes.
(d) Select a DTC to display the Freeze Frame Data.
(e) Read the freeze frame data of DTC C051223.
Chassis > Brake
Tester Display
|
Measurement Item
|
Range
|
Normal Condition
|
Diagnostic Note
|
FR Wheel Speed
|
Front wheel speed sensor RH reading
|
Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)
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Vehicle stopped: 0.0 km/h (0.0 mph)
|
When driving at constant speed: No large fluctuations
|
FL Wheel Speed
|
Front wheel speed sensor LH reading
|
Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)
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Vehicle stopped: 0.0 km/h (0.0 mph)
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When driving at constant speed: No large fluctuations
|
RR Wheel Speed
|
Rear wheel speed sensor RH reading
|
Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)
|
Vehicle stopped: 0.0 km/h (0.0 mph)
|
When driving at constant speed: No large fluctuations
|
RL Wheel Speed
|
Rear wheel speed sensor LH reading
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Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)
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Vehicle stopped: 0.0 km/h (0.0 mph)
|
When driving at constant speed: No large fluctuations
|
Chassis > Brake > DTC(C051223) > Freeze Frame Data
Tester Display
|
FR Wheel Speed
|
FL Wheel Speed
|
RR Wheel Speed
|
RL Wheel Speed
|
Result
|
Proceed to
|
The value of RR Wheel Speed is 2 km/h (1 mph) or less when all other values are 12 km/h (7 mph) or more.
|
A
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The value of RR Wheel Speed is 2 km/h (1 mph) or less when all other values are 43 km/h (27 mph) or more. (for 2WD)
|
B
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The value of RR Wheel Speed is 2 km/h (1 mph) or less when all other values are 43 km/h (27 mph) or more. (for AWD)
|
C
|
A
|
|
|
2.
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READ VALUE USING TECHSTREAM (RR WHEEL SPEED)
|
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Enter the following menus: Chassis / Brake/EPB / Data List.
Chassis > Brake > Data List
Tester Display
|
Measurement Item
|
Range
|
Normal Condition
|
Diagnostic Note
|
RR Wheel Speed
|
Rear wheel speed sensor RH reading
|
Min.: 0.0 km/h (0.0 mph), Max.: 6553.5 km/h (4072 mph)
|
Vehicle stopped: 0.0 km/h (0.0 mph)
|
When driving at constant speed: No large fluctuations
|
Chassis > Brake > Data List
Tester Display
|
RR Wheel Speed
|
(d) Start the engine and perform a road test.
(e) Check that the value of RR Wheel Speed changes in accordance with vehicle speed when accelerating from 0 km/h to 20 km/h (0 mph to 12 mph).
OK:
The value of RR Wheel Speed changes in accordance with vehicle speed.
HINT:
If the result of the road test is within the specified range, it is possible that this DTC was stored due to a particular situation such as brake drag, wheelspin or wheel lockup.
Result
|
Proceed to
|
OK
|
A
|
NG (for 2WD)
|
B
|
NG (for AWD)
|
C
|
3.
|
CHECK REAR SPEED SENSOR RH INSTALLATION
|
(a) Check the rear speed sensor RH installation.
OK:
There is no clearance between the rear speed sensor RH and the rear axle carrier RH.
The installation bolt is tightened properly.
Torque
8.5 N*m (87 kgf*cm, 75 in.*lbf)
|
|
*1
|
Rear Speed Sensor RH
|
*a
|
Correct
|
*b
|
Incorrect
|
*c
|
8.5 N*m
|
*d
|
No clearance
|
|
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