Brake Warning Lamp

BRAKE WARNING LAMP

Component Function Check


1. CHECK BRAKE WARNING LAMP FUNCTION (1)

Check that brake warning lamp in combination meter turns ON for approx. 1 second after ignition switch is turned ON.

CAUTION:
Never start engine.
Is the inspection result normal?
YES- GO TO 2.
NO- Proceed to diagnosis procedure. Refer to "Diagnosis Procedure" .

2. CHECK BRAKE WARNING LAMP FUNCTION (2)

Check that brake warning lamp in combination meter turns ON/OFF when parking brake is operated.
NOTE:
Brake warning lamp turns ON when parking brake is operated (when parking brake switch is ON).
Is the inspection result normal?
YES- GO TO 3.
NO- Check parking brake switch system. Refer to "Diagnosis Procedure" Parking Brake Switch.

3. CHECK BRAKE WARNING LAMP FUNCTION (3)

Check that brake warning lamp in combination meter turns ON/OFF when brake fluid level switch is operated while brake fluid level in reservoir tank is with 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. Refer to "Diagnosis Procedure" C1155.


Diagnosis Procedure


1. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIR-

CUIT
Perform the trouble diagnosis for ABS actuator and electric unit (control unit) power supply and ground circuit.
Refer to "Diagnosis Procedure" Power Supply and Ground Circuit.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace error-detected parts.

2. PERFORM THE SELF-DIAGNOSIS

With CONSULT
Perform self-diagnosis for "ABS".
Is any DTC detected?
YES- Check the DTC. Refer to "DTC Index" Testing and Inspection.
NO- GO TO 3.

3. CHECK BRAKE WARNING LAMP SIGNAL

With CONSUL-.
1.Select "ABS", "DATA MONITOR" and "EBD WARN LAMP" according to this order.
2.Turn the ignition switch OFF.
3.Check that data monitor displays "On" for approx. 1 second after ignition switch is turned ON and then changes to "Off".

CAUTION:
Never start engine.
Is the inspection result normal?
YES- GO TO 4.
NO- Replace ABS actuator and electric unit (control unit). Refer to "Removal and Installation" Service and Repair.

4. CHECK COMBINATION METER

Check combination meter. Refer to "CONSULT Function" Combination Meter.
Is the inspection result normal?
YES- Replace ABS actuator and electric unit (control unit). Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace combination meter. Refer to "Removal and Installation" Removal and Installation.