Vehicle Stability Control System (W/ Vdim) - Brake Warning Light Does Not Come On
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
CHECK MULTIPLEX COMMUNICATION SYSTEM
CHECK BRAKE WARNING LIGHT
INSPECT COMBINATION METER ASSEMBLY
VEHICLE STABILITY CONTROL SYSTEM (w/ VDIM) - Brake Warning Light does not Come ON
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN and multiplex communications.
WIRING DIAGRAM
INSPECTION PROCEDURE
- When replacing the skid control ECU, perform zero point calibration and store system information .
| 1.CHECK CAN COMMUNICATION SYSTEM |
Check if the CAN communication system DTC is output ( for LHD, or for RHD).
- Result:
| Condition | Proceed to |
| DTC is not output | A |
| DTC is output | B |
| | INSPECT CAN COMMUNICATION SYSTEM |
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| 2.CHECK MULTIPLEX COMMUNICATION SYSTEM |
Check if the multiplex communication system DTC is output .
- Result:
| Condition | Proceed to |
| DTC is not output | A |
| DTC is output | B |
| | INSPECT MULTIPLEX COMMUNICATION SYSTEM |
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| 3.CHECK BRAKE WARNING LIGHT |
Disconnect the skid control ECU connector.
Turn the engine switch on (IG).
Check that the BRAKE warning light comes on.
- OK:
- BRAKE warning light comes on.
- 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 .
| 4.INSPECT COMBINATION METER ASSEMBLY |
Turn the engine switch off.
Reconnect the skid control ECU connector.
Perform Active Test of the combination meter (meter CPU) using the intelligent tester .
- OK:
- The BRAKE warning light turns on or off in accordance with the intelligent tester.
- If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step .
| | REPLACE COMBINATION METER ASSEMBLY |
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