Downhill Assist Control Indicator Light Remains ON

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: Downhill Assist Control Indicator Light Remains ON
- Downhill Assist Control Indicator Light Remains ON

DESCRIPTION

When the downhill assist control switch is turned on, the downhill assist control function is available and the downhill assist control indicator light illuminates.

WIRING DIAGRAM

Refer to Downhill Assist Control Indicator Light does not Come ON Downhill Assist Control Indicator Light does not Come ON.

INSPECTION PROCEDURE

NOTICE:
When replacing the master cylinder solenoid, perform calibration Programming and Relearning.

PROCEDURE

1. CHECK CAN COMMUNICATION LINE ABS Warning Light Remains ON

NG -- GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) How to Proceed With Troubleshooting
OK -- Continue to next step.

2. INSPECT DOWNHILL ASSIST CONTROL SWITCH (COMBINATION SWITCH) Downhill Assist Control Indicator Light does not Come ON

NG -- REPLACE COMBINATION SWITCH ASSEMBLY Service and Repair
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU HDCS CIRCUIT) Downhill Assist Control Indicator Light does not Come ON

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

4. READ VALUE USING TECHSTREAM (DOWNHILL ASSIST CONTROL LIGHT) Downhill Assist Control Indicator Light does not Come ON

B -- REPLACE MASTER CYLINDER SOLENOID Disassembly

A -- GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) How To Proceed With Troubleshooting