Brake Control Warning Light does not Come ON: Procedure
- CHECK CAN COMMUNICATION SYSTEM See step 1
B → See step 5
C → See step 5
A: Go to next step
- PERFORM ACTIVE TEST USING TECHSTREAM (BRAKE WARNING LIGHT / YELLOW (MINOR MALFUNCTION)
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Select the Active Test on the Techstream, refer to DATA LIST / ACTIVE TEST
.ABS/VSC/TRAC
Tester Display Test Part Control Range Diagnostic Note ECB* Warning Light Brake warning light / yellow (minor malfunction) Warning light ON/OFF Observe combination meter *: Electronically Controlled Brake System
- Check that the brake warning light / yellow (minor malfunction) in the combination meter turns on and off in accordance with the Techstream operation.
OK
The brake warning light / yellow (minor malfunction) turns on and off in accordance with the Techstream operation.
HINT:
If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next suspected area before replacing the part, refer to PROBLEM SYMPTOMS TABLE .
NG → See step 3
OK → See step 4
- INSPECT COMBINATION METER ASSEMBLY
- Turn the ignition switch off.
- Perform the Active Test of the combination meter (meter CPU) using the Techstream, refer to DATA LIST / ACTIVE TEST .
- Check the combination meter.
OK
The brake warning light / yellow (minor malfunction) turns on and off in accordance with the Techstream operation.
HINT:
If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next suspected area before replacing the part, refer to PROBLEM SYMPTOMS TABLE .
NG → See step 6
OK → See step 4
- REPLACE SKID CONTROL ECU. Refer to REMOVAL
- GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to HOW TO PROCEED WITH TROUBLESHOOTING
- REPLACE COMBINATION METER ASSEMBLY. Refer to REMOVAL