Power Steering System

POWER STEERING: POWER STEERING SYSTEM: C1528/12: Motor Rotation Angle Sensor Malfunction
C1528/12 - Motor Rotation Angle Sensor Malfunction

DESCRIPTION

The motor rotation angle sensor detects the motor rotation angle and sends this information to the power steering ECU.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK CONNECTOR CONNECTION CONDITION

(a) Check the installation condition of the motor rotation angle sensor connector.

OK:

Motor rotation angle sensor connector is securely connected to the power steering ECU.

Result





B -- READ VALUE USING TECHSTREAM (MOTOR ROTATION ANGLE SENSOR)
A -- Continue to next step.

2. RECONFIRM DTC

(a) Reinstall motor rotation angle sensor connector.

(b) Check for DTC.

OK:

DTC is not output.

Result





B -- END
A -- Continue to next step.

3. READ VALUE USING TECHSTREAM (MOTOR ROTATION ANGLE SENSOR)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch ON.

(c) Turn the Techstream on.

(d) Check the motor rotation angle. Enter the following menus: Chassis / EMPS / Data List.

EMPS





OK:

During steering operation, motor rotation angle value changes from 0 to 360°.

NG -- REPLACE STEERING COLUMN ASSEMBLY

OK -- REPLACE POWER STEERING ECU