Brake Control Warning Light does not Come ON: Wiring Diagram
(See BRAKE WARNING LIGHT DOES NOT COME ON ).
NOTE:
When replacing the skid control ECU, perform initialization of linear solenoid valve and calibration (See CHECK FOR INTERMITTENT PROBLEMS
).
- INSPECT CAN COMMUNICATION SYSTEM
- Check if the CAN communication system DTC is output (See DIAGNOSIS SYSTEM
).
Result
DISPLAY (DTC OUTPUT) AND PROCEED TO REFERENCE CHARTDisplay (DTC Output) Proceed To DTC is not output A DTC is output B
B : REPAIR CAN COMMUNICATION SYSTEM
A : GO TO NEXT STEP
- Check if the CAN communication system DTC is output (See DIAGNOSIS SYSTEM
).
- INSPECT MULTIPLEX COMMUNICATION SYSTEM
- Check if the multiplex communication system DTC is output (See DTC CHECK / CLEAR
).
Result
DISPLAY (DTC OUTPUT) AND PROCEED TO REFERENCE CHARTDisplay (DTC Output) Proceed To DTC is not output A DTC is output B
B : REPAIR MULTIPLEX COMMUNICATION SYSTEM
A : GO TO NEXT STEP
- Check if the multiplex communication system DTC is output (See DTC CHECK / CLEAR
).
- INSPECT BRAKE CONTROL WARNING LIGHT
- Connect the intelligent tester to the DLC3.
- Start the engine.
- Select the "ECB WARN LAMP" and "VSC WARN LAMP" in the ACTIVE TEST and operate the brake control (ECB/VSC) warning light by the intelligent tester.
ABS / VSC:
ITEM (DISPLAY) VEHICLE CONDITION/TEST DETAILS AND DIAGNOSTIC NOTEItem (Display) Vehicle Condition/Test Details Diagnostic Note ECB WARN LAMP Turns brake control warning light ON/OFF Observe combination meter VSC WARN LAMP Turns brake control warning light ON/OFF Observe combination meter - Check that "ON" and "OFF" of the brake control (ECB/VSC) warning lights are indicated on the combination meter when using the intelligent tester.
OK:
The brake control (ECB/VSC) warning lights turn on or off in accordance with the intelligent tester.
HINT:
If troubleshooting has been carried out according to the PROBLEM SYMPTOMS TABLE .
NG : Go to step 4
OK : REPLACE SKID CONTROL ECU
- INSPECT COMBINATION METER ASSEMBLY
- Check the combination meter assembly (See REMOVAL
).
HINT:
If troubleshooting has been carried out according to the PROBLEM SYMPTOMS TABLE .
NG : REPLACE COMBINATION METER ASSEMBLY
OK : END
- Check the combination meter assembly (See REMOVAL
).