VSC OFF Indicator Light Does Not Come ON

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: VSC OFF Indicator Light does not Come ON

VSC OFF Indicator Light does not Come ON

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTE: When replacing the VSC actuator assembly, perform zero point calibration Programming and Relearning.

PROCEDURE

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

Result





B -- GO TO CAN COMMUNICATION SYSTEM
A -- Continue to next step.

2. CHECK CONNECTOR CONNECTION CONDITION
(a) Check the skid control ECU connector connection condition.
OK:
The connector is securely connected.

NG -- CONNECT CONNECTOR CORRECTLY
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - BATTERY AND BODY GROUND)





(a) Disconnect the A19 ECU connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.

Standard Voltage:





Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

4. PERFORM ACTIVE TEST USING TECHSTREAM (VSC OFF INDICATOR LIGHT)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream ON.
(d) Select the Active Test mode and operate the VSC OFF indicator light using the Techstream.

ABS/VSC/TRAC





(e) Check that the VSC OFF indicator light turns ON and OFF in the combination meter when using the Techstream.
OK:
The VSC OFF indicator light turns on and off in accordance with the Techstream operation.

NG -- GO TO METER / GAUGE SYSTEM
OK -- Continue to next step.

5. INSPECT VSC OFF SWITCH





(a) Remove the VSC OFF switch Removal.
(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





NG -- REPLACE VSC OFF SWITCH
OK -- Continue to next step.

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





(a) Disconnect the A19 ECU connector.
(b) Disconnect the H29 switch connector.
(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE VSC ACTUATOR ASSEMBLY