Diagnosis System

STEERING COLUMN: VARIABLE GEAR RATIO STEERING SYSTEM: DIAGNOSIS SYSTEM

1. FUNCTION OF WARNING LIGHT AND MESSAGE

(a) If a malfunction occurs during system operation, the master warning light on the combination meter come on and "CHECK VGRS" will be displayed on the multi-information display to inform the driver of the system malfunction.





2. DTC

(a) Normal mode.

(1) DTCs are memorized in the steering control ECU and read by using the tester Variable Gear Ratio Steering System.

(b) Test mode.

(1) By switching from normal mode to test mode, the steering angle sensor can be inspected Variable Gear Ratio Steering System.

HINT
Whether the system is in diagnostic mode or test mode can be checked from the indication on the multi-information display. For details of the indication and how to check, refer to "DTC CHECK / CLEAR" Variable Gear Ratio Steering System.

3. CHECK MASTER WARNING LIGHT

(a) Turn the engine switch on (IG).





(b) Check that the master warning light comes on for 2 seconds.

HINT
If the master warning light (VGRS) check result is not normal, proceed to troubleshooting of the warning light circuit.