Diagnostic Test

Check the following items.

• Out of gas
• Low fuel pressure line open

Is the inspection result normal?

YES 

GO TO STEP 2  .

NO 

Repair or replace error-detected parts.

1. Turn ignition switch OFF and wait at least 30 seconds.
2. Listen to fuel pump operation sound for a few seconds after ignition switch is turned ON.

Is the inspection result normal?

YES 

INSPECTION END

NO 

GO TO STEP 3  .

Check FPCM power supply and ground circuit. Refer to DIAGNOSIS PROCEDURE .

Is the inspection result normal?

YES 

GO TO STEP 4  .

NO 

Repair or replace error-detected parts.

1. Turn ignition switch OFF.
2. Disconnect FPCM harness connector and fuel pump harness connector.
3. Check the continuity between FPCM harness connector and fuel pump harness connector.

   +		-		Continuity
   FPCM		Fuel pump
   Connector	Terminal	Connector	Terminal
   B133	11	B101	6	Existed
   	12		5

4. Also check harness for short to ground.

Is the inspection result normal?

YES 

GO TO STEP 5  .

NO 

Repair or replace error-detected parts.

Check fuel pump. Refer to COMPONENT INSPECTION (FUEL PUMP) .

Is the inspection result normal?

YES 

GO TO STEP 6  .

NO 

Replace fuel pump.

1. Disconnect ECM harness connector.
2. Check the continuity between FPCM harness connector and ECM connector.

   +		-		Continuity
   FPCM		ECM
   Connector	Terminal	Connector	Terminal
   B134	2	E200	127	Existed

3. Also check harness for short to ground.

Is the inspection result normal?

YES 

INSPECTION END

NO 

Repair or replace error-detected parts.