Anti-Lock Brake System Brake Warning Light Does Not Come On

Brake. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
Brake Control. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK CAN COMMUNICATION SYSTEM

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (BRAKE WARNING LIGHT)

CHECK COMBINATION METER

ANTI-LOCK BRAKE SYSTEM - Brake Warning Light does not Come ON


WIRING DIAGRAM

Refer to the brake warning light circuit (RAV4_ACA30 RM000001CGN01QX_02.html).

INSPECTION PROCEDURE

1.CHECK CAN COMMUNICATION SYSTEM

  1. Check if the CAN communication system DTC is output (RAV4_ACA30 RM000001RSW00ZX.html).

    Result
    Result
    		Proceed to
    DTC is not output
    		A
    DTC is output
    		B



B
GO TO CAN COMMUNICATION SYSTEM (RAV4_ACA30 RM000001RSO01MX.html)
A


2.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (BRAKE WARNING LIGHT)

  1. Select the Active Test, generate a control command, and then check that the BRAKE warning light operates.

    Skid control ECU
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Brake Warning Light
    		Turns Brake warning light
    		ON or OFF
    		Observe combination meter

    OK:
    The BRAKE warning light turns on or off.


OK
REPLACE BRAKE ACTUATOR ASSEMBLY (RAV4_ACA30 RM000001XV200OX.html)
NG


3.CHECK COMBINATION METER

  1. Check the combination meter (RAV4_ACA30 RM0000020M0001X.html).



NG
REPLACE COMBINATION METER (RAV4_ACA30 RM000001RH400AX.html)
OK

REPLACE BRAKE ACTUATOR ASSEMBLY (RAV4_ACA30 RM000001XV200OX.html)