Slip Indicator Light Does Not Come ON

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: 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 communication.
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.

WIRING DIAGRAM






INSPECTION PROCEDURE
NOTE: When replacing the brake 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 -- INSPECT 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) Select Active Test mode on the Techstream Data List / Active Test.

ABS/VSC/TRAC





(d) Check that the slip indicator light turns on or off in accordance with the Techstream operation.
OK:
The slip indicator light turns on or off in accordance with the Techstream operation.
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.

NG -- INSPECT COMBINATION METER ASSEMBLY
OK -- REPLACE BRAKE ACTUATOR ASSEMBLY
3. INSPECT COMBINATION METER ASSEMBLY
(a) Turn the ignition switch off.
(b) Perform the Active Test of the combination meter (meter CPU) using the Techstream Meter / Gauge System.
(c) Check the combination meter.
OK:
The slip indicator light turns on or off in accordance with the Techstream operation.
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 BRAKE ACTUATOR ASSEMBLY