Slip Indicator Light Remains On

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: Slip Indicator Light Remains ON

Slip Indicator Light Remains ON

DESCRIPTION

The SLIP indicator light blinks during VSC and/or TRAC operation.
When the system fails, the SLIP indicator light comes on to warn the driver Diagnosis System.
The SLIP indicator light illuminates during TRAC OFF mode, AUTO LSD mode and VSC OFF mode.

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. PERFORM ACTIVE TEST USING TECHSTREAM (SLIP 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 SLIP indicator light using the Techstream.

ABS/VSC/TRAC

(e) Check that the SLIP indicator light turns on and off in the combination meter when using the Techstream.
OK:
The SLIP indicator light turns ON and OFF in accordance with the Techstream operation.
HINT: When the SLIP indicator light remains illuminated, there may be an open in the wire harness of the combination meter or abnormalities in the meter circuit.

NG -- GO TO METER / GAUGE SYSTEM
OK -- Continue to next step.
3. 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.
4. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - VSC OFF SWITCH)
(a) Disconnect the A19 ECU connector.

(b) Disconnect the H29 VSC OFF 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