Slip Indicator Light Does Not Come ON

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (w/ VDIM): Slip Indicator Light does not Come ON

Slip Indicator Light does not Come ON

DESCRIPTION

The skid control ECU is connected to the combination meter via CAN and multiplex communications.
The SLIP indicator blinks during VSC and/or TRAC operation.
When the system fails, the SLIP indicator comes on to warn the driver Diagnosis System.
The SLIP indicator comes on when traction control and VSC are terminated by pressing the VSC OFF switch.

WIRING DIAGRAM





INSPECTION PROCEDURE
NOTE: When replacing the skid control ECU, perform zero point calibration and store system information Vehicle Stability Control System (W/ VDIM).

PROCEDURE

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






B -- INSPECT CAN COMMUNICATION SYSTEM
A -- Continue to next step.
2. CHECK MULTIPLEX COMMUNICATION SYSTEM
(a) Check if the multiplex communication system DTC is output Reading and Clearing Diagnostic Trouble Codes.
Result:






B -- INSPECT MULTIPLEX COMMUNICATION SYSTEM
A -- Continue to next step.
3. CHECK SLIP INDICATOR LIGHT
(a) Connect Techstream to the DLC3.
(b) Start the engine.
(c) Select the "Slip Indicator Lamp" in the ACTIVE TEST and operate the SLIP indicator light by Techstream.

ABS / VSC / TRAC:





(d) Check that the SLIP indicator light turns on or off when using Techstream.
OK:
The SLIP indicator light turns on or off in accordance with Techstream.
HINT: If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part Problem Symptoms Table.

OK -- REPLACE SKID CONTROL ECU
NG -- Continue to next step.
4. INSPECT COMBINATION METER ASSEMBLY
(a) Turn the engine switch off.
(b) Perform ACTIVE TEST of the combination meter (meter CPU) using Techstream Scan Tool Testing and Procedures.
OK:
The SLIP indicator light turns on or off in accordance with Techstream.
HINT: If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step Problem Symptoms Table.

NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- REPLACE SKID CONTROL ECU