Brake Warning Lamp

BRAKE WARNING LAMP

Component Function Check


1. CHECK BRAKE WARNING LAMP FUNCTION (1)

Check that brake warning lamp turns ON for approximately several second after ignition switch is turned ON.

CAUTION:
Never set the vehicle to READY/Never start the engine.
Is the inspection result normal?
YES- GO TO 2.
NO- Proceed to .

2. CHECK BRAKE WARNING LAMP FUNCTION (2)

Check that brake warning lamp in combination meter turns ON or OFF when brake fluid level switch is operated while brake fluid level in reservoir tank is at the specified level.
NOTE:
Brake warning lamp turns ON when brake fluid is less than the specified level (when brake fluid level switch is
ON).
Is the inspection result normal?
YES- INSPECTION END
NO- Check brake fluid level switch system. C1155.


Diagnosis Procedure


1. CHECK POWER AND GROUND CIRCUITS OF ELECTRICALLY-DRIVEN INTELLIGENT BRAKE UNIT

Perform diagnosis of electrically-driven intelligent brake unit power and ground circuits. Power Supply and Ground Circuit.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace error-detected parts.

2. PERFORM SELF-DIAGNOSIS

With CONSULT
Perform "BRAKE" and "ABS" self-diagnosis.
Is malfunction detected?
YES-Check malfunctioning system.
- "BRAKE": Testing and Inspection.
- "ABS": Testing and Inspection.
NO- GO TO 3.

3. CHECK THAT BRAKE WARNING LAMP TURNS ON

Check combination meter. Combination Meter.
Is the inspection result normal?
YES- Replace the electrically-driven intelligent brake unit. Removal and Installation.
NO- Replace combination meter. Removal and Installation.