Slip Indicator Lamp Remains On

SLIP INDICATOR LAMP REMAINS ON


Description

The brake ECU is connected to the combination meter with CAN communication HV ECU. The SLIP indicator blinks during ABS or VDC or TCS operation.




SLIP INDICATOR LAMP REMAINS ON


Diagnosis Procedure


CAUTION:
When replacing the brake ECU, perform initialization of linear solenoid valve and calibration.
1.CHECK CAN COMMUNICATION SYSTEM
Check if the CAN communication system DTC is output.





A - GO TO 2.
B - Inspect CAN communication system.
2.INSPECT HV ECU
Perform HV ECU self-diagnosis.
Is the inspection result normal?
YES - Repair or replace malfunctioning components.
NO - GO TO 3.
3.CHECK IF BRAKE ECU CONNECTOR IS SECURELY CONNECTED
Check if the brake ECU connector is securely connected.

NOTE:
The connector should be securely connected.
Is the inspection result normal?
YES - GO TO 4.
NO - Connect connector to ECU correctly.
4.CHECK AUXILIARY BATTERY
Check the auxiliary battery voltage.

Standard voltage : 11 to 14 V

Is the inspection result normal?
YES - GO TO 5.
NO - Charge or replace auxiliary battery.
5.INSPECT COMBINATION METER ASSEMBLY
Perform "SLIP INDI LAMP" of the combination meter (meter CPU) using the "ACTIVE TEST".

NOTE:
- The SLIP indicator lamp turns ON or OFF in accordance with the CONSULT-III.
- If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step.
Is the inspection result normal?
YES - Replace brake ECU.
NO - Replace combination meter assembly.