Diagnosis Procedure

1. Turn ignition switch OFF.
2. Check ground connection E21. 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.

Is the inspection result normal? 

YES: Go to  8.

NO: Go to 4.

Check harness for short to power and short to ground, between the following terminals.

Is the inspection result normal? 

YES: Go to 5.

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

Check the following.

• Crankshaft position sensor (POS) (Refer to "COMPONENT INSPECTION ".)
• Refrigerant pressure sensor (Refer to "DIAGNOSIS PROCEDURE ".)
• Tumble control valve position sensor (Refer to "DIAGNOSIS PROCEDURE ".)

Is the inspection result normal? 

YES: Go to 6.

NO: Replace malfunctioning component.

Refer to "COMPONENT INSPECTION ".

Is the inspection result normal? 

YES: Go to  9.

NO: Go to 7.

Replace accelerator pedal assembly. Refer to " REMOVAL AND INSTALLATION ".

INSPECTION END

Refer to "COMPONENT INSPECTION ".

Is the inspection result normal? 

YES: Go to 9.

NO: Replace EVAP control system pressure sensor. Refer to " REMOVAL AND INSTALLATION ".

Refer to " INTERMITTENT INCIDENT ".

INSPECTION END