Anti-Lock Brake System Brake Warning Light Does Not Come On
Brake. Corolla. Zre142 Aze141
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
CHECK BRAKE WARNING LIGHT
INSPECT COMBINATION METER ASSEMBLY
ANTI-LOCK BRAKE SYSTEM - Brake Warning Light does not Come ON |
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN communication.
WIRING DIAGRAM
Refer to Brake Warning Light Remains ON (Link).
INSPECTION PROCEDURE
| 1.CHECK CAN COMMUNICATION SYSTEM |
Check if a CAN communication system DTC is output (COROLLA_ZRE142 RM000000WIB0BUX.html).
- Result:
Result
| Proceed to
|
DTC is not output
| A
|
DTC is output
| B
|
| 2.CHECK BRAKE WARNING LIGHT |
Disconnect the skid control ECU connector.
Turn the ignition switch to ON.
Check that the brake warning light comes on.
- OK:
- The brake warning light comes on.
- HINT:
- If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part (COROLLA_ZRE142 RM000000XHN0DVX.html).
| 3.INSPECT COMBINATION METER ASSEMBLY |
Turn the ignition switch off.
Reconnect the skid control ECU connector.
Perform the Active Test of the combination meter (meter CPU) using the Techstream (COROLLA_ZRE142 RM0000012G70D8X.html).
Check the combination meter.
- OK:
- The brake warning light turns on or off in accordance with the Techstream.
- HINT:
- If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step (COROLLA_ZRE142 RM000000XHN0DVX.html).