- 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: RM100000001HBKH |
| 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): C05001F; Left Front Wheel Speed Sensor Circuit Intermittent; 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2022] | ||
|
DTC |
C05001F |
Left Front Wheel Speed Sensor Circuit Intermittent |
DESCRIPTION
Refer to DTC C050012
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): C050012; Left Front Wheel Speed Sensor Circuit Short to Battery](/t3Portal/stylegraphics/info.gif)
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C05001F |
Left Front Wheel Speed Sensor Circuit Intermittent |
|
|
- *1: The stop light switch assembly is OFF.
- *2: The stop light switch assembly is ON.
DTC Detection Conditions: C05001F
|
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: C05001F
|
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. |
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.
OK:
The front speed sensor LH tip is free of oil and foreign matter.
HINT:
If foreign matter of 1mm x 1mm or more is adhered to the front speed sensor LH, this DTC may be stored.
| NG |
|
|
|
2. |
CHECK FRONT SPEED SENSOR ROTOR LH (CHECK FOR FOREIGN MATTER) |
(a) Remove the component with the front speed sensor rotor LH.
Click here
(b) Check the front speed sensor rotor LH.
OK:
The front speed sensor rotor LH is free of oil and foreign matter.
HINT:
If foreign matter of 1mm x 1mm or more is adhered to the front speed sensor rotor LH, this DTC may be stored.
| OK |
|
REPLACE FRONT SPEED SENSOR LH AND FRONT AXLE HUB SUB-ASSEMBLY LH for front speed sensor LH: Click here
for front speed sensor rotor LH (front axle hub sub-assembly LH): Click here
|
|
|
3. |
CLEAN FRONT SPEED SENSOR ROTOR LH |
(a) Clean the front speed sensor rotor LH.
NOTICE:
Do not use parts cleaner when cleaning the front speed sensor rotor LH.
|
|
4. |
CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Operate the Techstream to clear the codes. Enter the following menus: Chassis / Brake / Trouble Codes.
Chassis > Brake > Clear DTCs
(d) Press the DTC clear button.
|
|
5. |
PERFORM DEALER MODE (SIGNAL CHECK) INSPECTION (SPEED SENSOR CHECK) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Using the Techstream, perform a Dealer Mode (Signal Check) inspection sensor check and check that speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete. Enter the following menus: Chassis / Brake / Utility / Signal Check.
Click here
Chassis > Brake > Utility
|
Tester Display |
|---|
|
Signal Check |
OK:
Speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete.
| NG |
|
REPLACE FRONT SPEED SENSOR LH AND FRONT AXLE HUB SUB-ASSEMBLY LH for front speed sensor LH: Click here
for front speed sensor rotor LH (front axle hub sub-assembly LH): Click here
|
|
|
6. |
RECONFIRM DTC |
(a) Connect the Techstream to the DLC3.
(b) Start the engine.
(c) Perform a road test under the same malfunction conditions recreated based on the Freeze Frame Data or customer problem analysis.
(d) Read the DTCs following the prompts on the Techstream. Enter the following menus: Chassis / Brake / Trouble Codes.
Chassis > Brake > Trouble Codes
(e) Check if the same DTC is output.
|
Result |
Proceed to |
|---|---|
|
C05001F is not output |
A |
|
C05001F is output |
B |
| A |
|
END |
| B |
|
REPLACE FRONT SPEED SENSOR LH AND FRONT AXLE HUB SUB-ASSEMBLY LH for front speed sensor LH: Click here
for front speed sensor rotor LH (front axle hub sub-assembly LH): Click here
|
|
7. |
CLEAN FRONT SPEED SENSOR LH |
(a) Clean the front speed sensor LH.
NOTICE:
When cleaning the front speed sensor LH, make sure to clean the installation hole before installation.
|
|
8. |
CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Operate the Techstream to clear the codes. Enter the following menus: Chassis / Brake / Trouble Codes.
Chassis > Brake > Clear DTCs
(d) Press the DTC clear button.
|
|
9. |
PERFORM DEALER MODE (SIGNAL CHECK) INSPECTION (SPEED SENSOR CHECK) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Using the Techstream, perform a Dealer Mode (Signal Check) inspection sensor check and check that speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete. Enter the following menus: Chassis / Brake / Utility / Signal Check.
Click here
Chassis > Brake > Utility
|
Tester Display |
|---|
|
Signal Check |
OK:
Speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete.
| NG |
|
|
|
10. |
RECONFIRM DTC |
(a) Connect the Techstream to the DLC3.
(b) Start the engine.
(c) Perform a road test under the same malfunction conditions recreated based on the Freeze Frame Data or customer problem analysis.
(d) Read the DTCs following the prompts on the Techstream. Enter the following menus: Chassis / Brake / Trouble Codes.
Chassis > Brake > Trouble Codes
(e) Check if the same DTC is output.
|
Result |
Proceed to |
|---|---|
|
C05001F is not output |
A |
|
C05001F is output |
B |
| A |
|
END |
| B |
|
|
|