Vehicle Stability Control System Auto Lsd Indicator Light Does Not Come On

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

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK CAN COMMUNICATION SYSTEM

READ VALUE USING INTELLIGENT TESTER (AUTO LSD SWITCH)

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (AUTO LSD INDICATOR LIGHT)

INSPECT COMBINATION METER ASSEMBLY

INSPECT TRACTION CONTROL SWITCH (VSC OFF SWITCH)

CHECK HARNESS AND CONNECTOR (VSC OFF SWITCH - SKID CONTROL ECU/BODY GROUND)

VEHICLE STABILITY CONTROL SYSTEM - AUTO LSD Indicator Light does not Come ON


DESCRIPTION

Refer to the description of "AUTO LSD Indicator Light Remains ON" (RAV4_ACA30 RM0000022GQ007X_01.html).

WIRING DIAGRAM

Refer to the AUTO LSD indicator light circuit (RAV4_ACA30 RM0000022GQ007X_02.html).

INSPECTION PROCEDURE

NOTICE:
When replacing the brake actuator assembly, perform zero point calibration (RAV4_ACA30 RM000001K1O00SX.html).
1.CHECK CAN COMMUNICATION SYSTEM

  1. Check if a CAN communication system DTC is output (RAV4_ACA30 RM000001W16002X.html).

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


B
REPAIR CAN COMMUNICATION SYSTEM (RAV4_ACA30 RM000001W16002X.html)
A


2.READ VALUE USING INTELLIGENT TESTER (AUTO LSD SWITCH)

  1. Check the Data List for proper functioning of the AUTO LSD switch (RAV4_ACA30 RM000000ONK01EX.html).

    ABS/VSC/TRC:
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Auto LSD Switch
    		Traction control switch (VSC OFF switch) / ON or OFF
    		ON: VSC OFF switch is on
    OFF: VSC OFF switch is off
    		-
    OK:
    ON (VSC OFF switch is on) appears on the screen.


NG
Go to step 5
OK


3.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (AUTO LSD INDICATOR LIGHT)

  1. Connect the intelligent tester to the DLC3.

  1. Start the engine.

  1. Select the Active Test mode on the intelligent tester (RAV4_ACA30 RM000000ONK01EX.html).

    ABS/VSC/TRC:
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Auto LSD Indicator Light
    		AUTO LSD indicator light
    		Indicator light ON / OFF
    		Observe the combination meter.
    OK:
    The AUTO LSD indicator light turns ON and OFF.


NG
REPLACE BRAKE ACTUATOR ASSEMBLY (RAV4_ACA30 RM000001XV200PX.html)
OK


4.INSPECT COMBINATION METER ASSEMBLY

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



NG
REPLACE COMBINATION METER ASSEMBLY (RAV4_ACA30 RM000001RH400AX.html)
OK

REPLACE BRAKE ACTUATOR ASSEMBLY (RAV4_ACA30 RM000001XV200PX.html)

5.INSPECT TRACTION CONTROL SWITCH (VSC OFF SWITCH)


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Brake Control.Anti-Lock Brake System.Vehicle Stability Control System Auto Lsd Indicator Light Does Not Come On

  1. Remove the VSC OFF switch (RAV4_ACA30 RM00000210100AX.html).

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Switch Condition
    		Specified Condition
    6 (E) - 9 (+)
    		Not pushed
    		10 kΩ or higher
    Pushed
    		Below 1Ω


NG
REPLACE TRACTION CONTROL SWITCH (VSC OFF SWITCH)
OK


6.CHECK HARNESS AND CONNECTOR (VSC OFF SWITCH - SKID CONTROL ECU/BODY GROUND)
Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Brake Control.Anti-Lock Brake System.Vehicle Stability Control System Auto Lsd Indicator Light Does Not Come On

  1. Disconnect the skid control ECU connector.

  1. Disconnect the VSC OFF switch connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    A67-30 (CSW) - E96-9 (+)
    		Always
    		Below 1 Ω
    A67-30 (CSW) - Body ground
    		Always
    		10 kΩ or higher
    E96-6 (E) - Body ground
    		Always
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE BRAKE ACTUATOR ASSEMBLY (RAV4_ACA30 RM000001XV200PX.html)