Last Modified: 07-31-2024 |
6.11:8.1.0 |
Doc ID: RM1000000028D6Z |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [11/2022 - 08/2023] |
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): C051223; Right Rear Wheel Speed Sensor Signal Stuck Low; 2023 MY Corolla Corolla Hatchback GR Corolla [11/2022 - 08/2023] |
DTC
|
C051223
|
Right Rear Wheel Speed Sensor Signal Stuck Low
|
DESCRIPTION
Refer to DTC C051212
Click here
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
C051223
|
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)
|
CAUTION / NOTICE / HINT
NOTICE:
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.
|
PROCEDURE
1.
|
CHECK FREEZE FRAME DATA (WHEEL SPEED)
|
(a) Connect the GTS 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)
|
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)
|
Vehicle stopped: 0.0 km/h (0.0 mph)
|
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
|
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
|
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
|
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.
|
B
|
B |
|
REPLACE REAR AXLE HUB AND BEARING ASSEMBLY RH
for Double Wishbone Type Suspension: Click here
for Torsion Beam Type Suspension: Click here
|
A
|
|
|
2.
|
READ VALUE USING GTS (RR WHEEL SPEED)
|
(a) Connect the GTS 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.
NG |
|
REPLACE REAR AXLE HUB AND BEARING ASSEMBLY RH
for Double Wishbone Type Suspension: Click here
for Torsion Beam Type Suspension: Click here
|
|