AUTO LSD Indicator Light does not Come ON

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

AUTO LSD Indicator Light does not Come ON

DESCRIPTION

Refer to the description of "AUTO LSD Indicator Light Remains ON" AUTO LSD Indicator Light Remains ON.

WIRING DIAGRAM

Refer to the AUTO LSD indicator light circuit AUTO LSD Indicator Light Remains ON.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM
(a) Check if the CAN communication system DTC is output Diagnosis System.

Result





B -- REPAIR CAN COMMUNICATION SYSTEM
A -- Continue to next step.
2. READ VALUE USING TECHSTREAM (AUTO LSD SWITCH)
(a) Check the Data List for proper functioning of the Auto LSD switch.

ABS / VSC / TRAC:





OK:
ON (downhill assist control switch is ON) appears on the screen.
NG -- INSPECT AUTO LSD SWITCH
OK -- Continue to next step.
3. PERFORM ACTIVE TEST USING TECHSTREAM (AUTO LSD INDICATOR LIGHT)
(a) Select the Active Test, generate a control command, and then check that the AUTO LSD indicator light operates.

ABS / VSC / TRAC:





OK:
The AUTO LSD indicator light turns ON and OFF.
NG -- REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY
OK -- Continue to next step.
4. INSPECT COMBINATION METER ASSEMBLY
(a) Inspect the combination meter How To Proceed With Troubleshooting.
NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY
5. INSPECT AUTO LSD SWITCH





(a) Disconnect the auto LSD switch switch.
(b) Measure the resistance of the switch.
Standard resistance:






NG -- REPLACE AUTO LSD SWITCH
OK -- Continue to next step.
6. CHECK WIRE HARNESS (AUTO LSD SWITCH - SKID CONTROL ECU AND BODY GROUND)





(a) Disconnect the A19 ECU connector.
(b) Disconnect the E51 switch connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY