Diagnosis Procedure

1. Turn ignition switch OFF.
2. Check ground connection E38. Refer to Ground Inspection in "CIRCUIT INSPECTION ".

   Is the inspection result normal? 

   YES: GO TO 2.

   NO: Repair or replace ground connection.

1. Disconnect power steering pressure (PSP) sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between PSP sensor harness connector and ground.
   TERMINALS VOLTAGE REFERENCE
   
   

   PSP sensor		Ground	Voltage
   Connector	Terminal
   F62	3	Ground	Approx. 5 V

   Is the inspection result normal? 

   YES: GO TO 3.

   NO: Repair open circuit or short to ground or short to power in harness or connectors.

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between PSP sensor harness connector and ECM harness connector.
   TERMINAL CONTINUITY REFERENCE
   
   

   PSP sensor		ECM		Continuity
   Connector	Terminal	Connector	Terminal
   F62	1	F8	48	Existed

4. Also check harness for short to ground and short to power.

   Is the inspection result normal? 

   YES: GO TO 4.

   NO: Repair open circuit or short to ground short to power in harness or connectors.

1. Check the continuity between PSP sensor harness connector and ECM harness connector.
   TERMINAL CONTINUITY REFERENCE
   
   

   PSP sensor		ECM		Continuity
   Connector	Terminal	Connector	Terminal
   F62	2	F8	41	Existed

2. Also check harness for short to ground and short to power.

   Is the inspection result normal? 

   YES: GO TO 5.

   NO: Repair open circuit or short to ground or short to power in harness or connectors.

Refer to "COMPONENT INSPECTION ".

Is the inspection result normal? 

YES: GO TO 6.

NO: Replace PSP sensor.

Refer to "INTERMITTENT INCIDENT ".

INSPECTION END