Vehicle Stability Control System Brake Warning Light Does Not Come On
Brake. Camry. Acv40 Gsv40
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
CHECK BRAKE WARNING LIGHT
INSPECT COMBINATION METER ASSEMBLY
VEHICLE STABILITY CONTROL SYSTEM - Brake Warning Light does not Come ON |
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN communication.
WIRING DIAGRAM
INSPECTION PROCEDURE
- NOTICE:
- When replacing the brake actuator assembly, perform zero point calibration (CAMRY_ACV40 RM000000XHR024X.html).
1.CHECK CAN COMMUNICATION SYSTEM |
Check if the CAN communication system DTC is output (CAMRY_ACV40 RM000000WIB03ZX.html for LHD, or CAMRY_ACV40 RM000000WIB040X.html for RHD).
- Result:
Condition
| Proceed to
|
DTC is not output
| A
|
DTC is output
| B
|
| INSPECT CAN COMMUNICATION SYSTEM |
|
|
2.CHECK BRAKE WARNING LIGHT |
Disconnect the skid control ECU connector.
Turn the ignition switch to the ON position.
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 (CAMRY_ACV40 RM000000XHN02MX.html).
| REPLACE BRAKE ACTUATOR ASSEMBLY |
|
|
3.INSPECT COMBINATION METER ASSEMBLY |
Turn the ignition switch off.
Reconnect the skid control ECU connector.
Perform Active Test of the combination meter (meter CPU) using the intelligent tester (CAMRY_ACV40 RM0000012G700LX.html).
- OK:
- The BRAKE warning light turns on or off in accordance with the intelligent tester.
- HINT:
- If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step (CAMRY_ACV40 RM000000XHN02MX.html).
| REPLACE COMBINATION METER ASSEMBLY |
|
|
OK |
|
|
|
REPLACE BRAKE ACTUATOR ASSEMBLY |
|