Slip Indicator Light Remains On

BRAKE CONTROL: ELECTRONICALLY CONTROLLED BRAKE SYSTEM: Slip Indicator Light Remains ON
- Slip Indicator Light Remains ON

DESCRIPTION

The skid control ECU is connected to the combination meter via CAN and multiplex communications.

If the skid control ECU stores a DTC, the slip indicator light will come on in the combination meter.

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

NOTICE:
When replacing the skid control ECU, perform initialization of the linear solenoid valve and calibration Initialization.

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

(a) Check if a CAN communication system DTC is output Diagnosis System.

Result:





B -- REPAIR CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.

2. CHECK MULTIPLEX COMMUNICATION SYSTEM

(a) Check if a multiplex communication system DTC is output Reading and Clearing Diagnostic Trouble Codes.

Result:





B -- REPAIR MULTIPLEX COMMUNICATION SYSTEM Multiplex Communication System
A -- Continue to next step.

3. 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 Electronic Circuit Inspection Procedure
OK -- Continue to next step.

4. CHECK BATTERY

(a) Check the battery voltage.

Standard voltage:

10 to 14 V

NG -- INSPECT CHARGING SYSTEM Testing and Inspection
OK -- Continue to next step.

5. INSPECT COMBINATION METER ASSEMBLY

(a) Perform the Active Test of the combination meter (meter CPU) using the Techstream Scan Tool Testing and Procedures.

(b) Check the combination meter.

OK:

The slip indicator light turns on or off in accordance with 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 -- REPLACE COMBINATION METER ASSEMBLY Removal

OK -- REPLACE SKID CONTROL ECU Removal