PS Warning Light does not Come ON

POWER STEERING: ELECTRONIC 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 Techstream, check for DTCs and confirm that there are no problems in the CAN communication system.
OK:
DTCs are not output.
NG -- GO TO CAN COMMUNICATION SYSTEM
OK -- Continue to next step.
2. INSPECT COMBINATION METER ASSEMBLY
(a) Connect Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Perform the ACTIVE TEST according to the display on the tester. Enter the following menus: Body / Combination Meter / Active Test.

Combination Meter:





OK:
The PS warning light comes on or goes off according to the tester operation.
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
OK -- REPLACE POWER STEERING ECU ASSEMBLY