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 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

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. CHECK IF SKID CONTROL ECU CONNECTOR IS SECURELY CONNECTED
(a) Check if the skid control ECU connector is securely connected.
OK:
The connector is securely connected.

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

3. CHECK BATTERY
(a) Check the battery voltage.
Standard voltage:
11 to 14 V
Result:





C -- CHECK OR REPLACE CHARGING SYSTEM OR BATTERY (for 1AR-FE)
B -- CHECK OR REPLACE CHARGING SYSTEM OR BATTERY (for 2GR-FE)
A -- Continue to next step.

4. INSPECT COMBINATION METER ASSEMBLY
(a) Turn the ignition switch to ON and check the slip indicator light will come on for approximately 3 seconds (initial check).
(b) Perform the Active Test of the combination meter (meter CPU) using the Techstream Meter / Gauge System.
(c) Check the accessory meter.
Result:





HINT: If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part Problem Symptoms Table.

C -- REPLACE ACCESSORY METER ASSEMBLY
B -- REPLACE COMBINATION METER ASSEMBLY
A -- REPLACE BRAKE ACTUATOR ASSEMBLY