Diagnosis Procedure

1. Turn the ignition switch OFF.
2. Check voltage between power steering control unit harness connector and ground.
   POWER STEERING CONTROL UNIT VOLTAGE CHART
   
   

   Power steering control unit		-	Condition	Voltage (Approx.)
   Connector	Terminal
   M108	1	Ground	Vehicle speed: 0 km/h (0 MPH) (Engine is running)	4.4 - 6.6 V
   			Vehicle speed: 100 km/h (62 MPH)	2.4 - 3.6 V

   Is the inspection result normal? 

   YES: GO TO  4.

   NO: GO TO 2.

1. Turn the ignition switch OFF.
2. Disconnect power steering solenoid valve harness connector.
3. Disconnect power steering control unit harness connector.
4. Check the continuity between power steering solenoid valve harness connector and the power steering control unit harness connector.
   POWER STEERING SOLENOID VALVE CONTINUITY CHART
   
   

   Power steering solenoid valve		Power steering control unit		Continuity
   Connector	Terminal	Connector	Terminal
   F45	1	M108	1	Existed
   	2		5	Existed

5. Check continuity between power steering control unit harness connector and ground.
   POWER STEERING SOLENOID VALVE CONTINUITY CHART
   
   

   Power steering control unit		-	Continuity
   Connector	Terminal
   M108	1	Ground	Not existed
   	5

   Is the inspection result normal? 

   YES: GO TO 3.

   NO: Repair or replace damaged parts.

Check power steering solenoid valve. Refer to "COMPONENT INSPECTION ".

Is the inspection result normal? 

YES: GO TO 4.

NO: Replace gear-sub assembly. Refer to "2WD : Exploded View "(2WD models), "AWD : Exploded View "(AWD models).

• Check power steering control unit pin terminals for damage or loose connection with harness connector.
• Check power steering solenoid valve pin terminals for damage or loose connection with harness connector.

  Is the inspection result normal? 

  YES: INSPECTION END

  NO: Repair or replace damaged parts.