POWER STEERING SYSTEM, Diagnostic DTC:C1528

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

   
   

   1. 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
      Result Proceed to NG A OK B

   
   

   B

   READ VALUE USING INTELLIGENT TESTER (MOTOR ROTATION ANGLE SENSOR) Click here

   A

2. RECONFIRM DTC

   
   

   1. Reinstall motor rotation angle sensor connector.

   2. Check for DTCs Click here.

      OK
      DTC is not output.

      Result
      Result Proceed to DTC is output A DTC is not output B

   
   

   B

   END

   A

3. READ VALUE USING INTELLIGENT TESTER (MOTOR ROTATION ANGLE SENSOR)

   
   

   1. Turn the ignition switch off.

   2. Connect the intelligent tester to the DLC3.

   3. Turn the ignition switch on (IG).

   4. Turn the intelligent tester on.

   5. Enter the following menus: Chassis / EMPS / Data List.

   6. Select the item "Motor Rotation Angle" in the Data List and read the value displayed on the intelligent tester.

      EMPS:

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      Motor Rotation Angle	Motor rotation angle: Min.: 0° Max.: 360°	During steering operation, motor rotation angle value changes from 0 to 360°	Ignition switch on (IG) and steering wheel is turned

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

   
   

   NG

   REPLACE STEERING COLUMN ASSEMBLY Click here

   OK

   REPLACE POWER STEERING ECU Click here