- Repair or replacement.
- Turn the ignition switch to ON.
- Drive the vehicle at 54 km/h (34 mph) or more for 3 seconds or more to clear the warning lights.
| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001HBKV |
| Model Year Start: 2020 | Model: GR Corolla | Prod Date Range: [01/2019 - 09/2022] |
| Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model without Electric Parking Brake System): C05121F; Right Rear Wheel Speed Sensor Circuit Intermittent; 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2022] | ||
|
DTC |
C05121F |
Right Rear Wheel Speed Sensor Circuit Intermittent |
DESCRIPTION
Refer to DTC C051212
Click here
![2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model without Electric Parking Brake System): C051212; Right Rear Wheel Speed Sensor Circuit Short to Battery](/t3Portal/stylegraphics/info.gif)
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C05121F |
Right Rear Wheel Speed Sensor Circuit Intermittent |
|
|
- *1: The stop light switch assembly is OFF.
- *2: The stop light switch assembly is ON.
DTC Detection Conditions: C05121F
|
Vehicle Condition |
|||||
|---|---|---|---|---|---|
|
Pattern 1 |
Pattern 2 |
Pattern 3 |
Pattern 4 |
||
|
Diagnosis Condition |
The Stop light switch assembly is OFF. |
- |
○ |
○ |
○ |
|
Malfunction Status |
The speed sensor signal is excessively noisy. |
○ |
- |
- |
- |
|
The calculated change in wheel speed is more than 980 m/s2. |
- |
○ |
- |
- |
|
|
The calculated change in wheel speed fluctuates between more than 500 m/s2 and less than -500 m/s2. |
- |
- |
○ |
- |
|
|
The vehicle speed is low, excessive noise in the speed sensor pulse signal is detected 3 times or more within 0.005 seconds. |
- |
- |
- |
○ |
|
|
Detection Time |
- |
5 seconds or more. |
5 seconds or more. |
5 seconds or more. |
|
|
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: C05121F
|
Vehicle Condition |
||||
|---|---|---|---|---|
|
Pattern 5 |
Pattern 6 |
Pattern 7 |
||
|
Diagnosis Condition |
The stop light switch assembly is ON. |
○ |
○ |
○ |
|
Malfunction Status |
The calculated change in wheel speed is more than 980 m/s2. |
○ |
- |
- |
|
The calculated change in wheel speed fluctuates between more than 500 m/s2 and less than -500 m/s2. |
- |
○ |
- |
|
|
The vehicle speed is low, excessive noise in the speed sensor pulse signal is detected 3 times or more within 0.005 seconds. |
- |
- |
○ |
|
|
Detection Time |
20 seconds or more. |
20 seconds or more. |
20 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
-
After replacing or removing and installing a speed sensor rotor, 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
PROCEDURE
|
1. |
REPLACE REAR AXLE HUB AND BEARING ASSEMBLY RH |
(a) Replace the rear axle hub and bearing assembly RH.
Click here
| NEXT |
|
END |
|
|