Diagnosis Procedure

1. Turn ignition switch OFF.
2. Check ground connection M95. Refer to Ground Inspection in "CIRCUIT INSPECTION ".

   Is the inspection result normal? 

   YES: GO TO 2.

   NO: Repair or replace ground connection.

1. Disconnect EVAP control system pressure sensor harness connector.
2. Check sensor harness connector for water.

   Water should not exist  .

   Is the inspection result normal? 

   YES: GO TO 3.

   NO: Repair or replace harness connector.

1. Turn ignition switch ON.
2. Check the voltage between EVAP control system pressure sensor harness connector and ground.

   EVAP control system pressure sensor		Ground	Voltage (V)
   Connector	Terminal
   B73	3	Ground	Approx. 5

   Is the inspection result normal? 

   YES: GO TO  6.

   NO: GO TO 4.

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between EVAP control system pressure sensor harness connector and ECM harness connector.

   EVAP control system pressure sensor		ECM		Continuity
   Connector	Terminal	Connector	Terminal
   B73	3	M107	105	Existed

   Is the inspection result normal? 

   YES: GO TO 5.

   NO: Repair open circuit.

Check sensor power supply 2 circuit. Refer to "DIAGNOSIS PROCEDURE ".

Is the inspection result normal? 

YES: GO TO  7.

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

Refer to "COMPONENT INSPECTION ".

Is the inspection result normal? 

YES: GO TO 7.

NO: Replace EVAP control system pressure sensor.

Refer to "INTERMITTENT INCIDENT ".

: INSPECTION END