- 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.
| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM1000000028D6S |
| 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): C050C23; Left Rear Wheel Speed Sensor Signal Stuck Low; 2023 MY Corolla Corolla Hatchback GR Corolla [11/2022 - 08/2023] | ||
|
DTC |
C050C23 |
Left Rear Wheel Speed Sensor Signal Stuck Low |
DESCRIPTION
Refer to DTC C050C12
Click here
![2023 MY Corolla Corolla Hatchback GR Corolla [11/2022 - 08/2023]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): C050C12; Left Rear Wheel Speed Sensor Circuit Short to Battery+](/t3Portal/stylegraphics/info.gif)
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C050C23 |
Left Rear Wheel Speed Sensor Signal Stuck Low |
|
Rear speed sensor LH (rear axle hub and bearing assembly LH) |
CAUTION / NOTICE / HINT
NOTICE:
DTC precaution
Click here
Procedure to clear warning lights (When not clearing DTCs)
|
Procedure |
|---|
|
|
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 C050C23.
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(C050C23) > Freeze Frame Data
|
Tester Display |
|---|
|
FR Wheel Speed |
|
FL Wheel Speed |
|
RR Wheel Speed |
|
RL Wheel Speed |
|
Result |
Proceed to |
|---|---|
|
The value of RL 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 RL 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 LH for Double Wishbone Type Suspension: Click here
for Torsion Beam Type Suspension: Click here
|
|
|
2. |
READ VALUE USING GTS (RL 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 |
|---|---|---|---|---|
|
RL Wheel Speed |
Rear wheel speed sensor LH 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 |
|---|
|
RL Wheel Speed |
(d) Start the engine and perform a road test.
(e) Check that the value of RL 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 RL 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.
| OK |
|
| NG |
|
REPLACE REAR AXLE HUB AND BEARING ASSEMBLY LH for Double Wishbone Type Suspension: Click here
for Torsion Beam Type Suspension: Click here
|
|
|