PS Warning Light Does Not Come On

POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: PS Warning Light does not Come ON
- PS Warning Light does not Come ON

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT CAN COMMUNICATION SYSTEM

(a) Using the Techstream, check for DTCs and confirm that there are no problems in the CAN communication system Diagnosis System.

OK:

DTCs are not output.

NG -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
OK -- Continue to next step.

2. INSPECT MULTIPLEX COMMUNICATION SYSTEM

(a) Using the Techstream, check for DTCs and confirm that there are no problems in the multiplex communication system Multiplex Communication System.

OK:

DTCs are not output.

NG -- GO TO MULTIPLEX COMMUNICATION SYSTEM How to Proceed With Troubleshooting
OK -- Continue to next step.

3. INSPECT COMBINATION METER ASSEMBLY

(a) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

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

(d) Turn the Techstream on.

(e) Perform the Active Test according to the display on the Techstream. Enter the following menus: Body Electrical / Combination Meter / Active Test.

Combination Meter





OK:

The P/S warning light comes on.

NOTICE:
If replacing the power steering ECU assembly, initialize the rotation angle sensor value and calibrate the torque sensor zero point Programming and Relearning.

NG -- REPLACE COMBINATION METER ASSEMBLY Removal

OK -- REPLACE POWER STEERING ECU ASSEMBLY Removal