Brake Warning Light does not Come ON: Procedure
- PERFORM ACTIVE TEST USING TECHSTREAM
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the tester on.
- Select the "Brake Warning Light" in the Active Test and operate the BRAKE warning light using the Techstream.
Select the following menu items: Chassis / ABS/VSC/TRAC/ Active Test
ACTIVE TEST: ABS/VSC/TRACTester Display Test Part Control Range Diagnostic Note Brake Warning Light BRAKE warning light BRAKE warning light ON or OFF Observe combination meter - Check that the BRAKE warning light turns on and off in the combination meter using the Techstream.
OK:
The BRAKE warning light turns ON and OFF in accordance with the Techstream operation.
NG: CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER)
OK: REPLACE MASTER CYLINDER SOLENOID
- CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- INSPECT COMBINATION METER ASSEMBLY
- Check the combination meter system.
OK:
Combination meter is normal.
NG: REPLACE COMBINATION METER ASSEMBLY
OK: REPLACE MASTER CYLINDER SOLENOID
- Check the combination meter system.