Brake System Warning Lamp

BRAKE SYSTEM WARNING LAMP

Component Function Check


1. CHECK BRAKE SYSTEM WARNING LAMP FUNCTION

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

CAUTION:
Never engage READY state.
Is the inspection result normal?
YES- INSPECTION END
NO- Proceed to "Diagnosis Procedure" .


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. {LINK_TO:0000000007635839}, "Diagnosis
Procedure".
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 a malfunction detected?
YES-Check the error-detected system.
NO- GO TO 3.

3. CHECK BRAKE SYSTEM WARNING LAMP ILLUMINATION

Check the combination meter. Refer to "CONSULT Function" Combination Meter.
Is the inspection result normal?
YES- Replace the electrically-driven intelligent brake unit. Refer to "Removal and installation" Removal And Installation.
NO- Replace combination meter. Refer to "Removal and Installation" Removal And Installation.