Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect unified meter and A/C amp. connector and fuel level sensor unit (sub) connector.
3. Check continuity between unified meter and A/C amp. harness connector and fuel level sensor unit (sub) harness connector.

   Unified meter and A/C amp.		Fuel level sensor unit (sub)		Continuity
   Connector	Terminal	Connector	Terminal
   M67	42	B21	1	Existed

4. Check continuity between unified meter and A/C amp. harness connector and ground.

   Unified meter and A/C amp.		Ground	Continuity
   Connector	Terminal
   M67	42		Not existed

Is the inspection result normal?

YES 

GO TO STEP 2. 

NO 

Repair harness or connector.

1. Disconnect fuel level sensor unit and fuel pump (main) connector.
2. Check for continuity between the fuel level sensor unit (sub) harness connector and the fuel level sensor unit and fuel pump (main) harness connector.

   Fuel level sensor unit (sub)		Fuel level sensor unit and fuel pump (main)		Continuity
   Connector	Terminal	Connector	Terminal
   B21	2	B22	2	Existed

3. Check for continuity between the fuel level sensor unit (sub) harness connector and the ground.

   Fuel level sensor unit (sub)		Ground	Continuity
   Connector	Terminal
   B21	2		Not existed

Is the inspection result normal?

YES 

GO TO STEP 3. 

NO 

Repair harness or connector.

1. Check continuity between fuel level sensor unit and fuel pump (main) harness connector and unified meter and A/C amp. harness connector.

   Fuel level sensor unit and fuel pump (main)		Unified meter and A/C amp.		Continuity
   Connector	Terminal	Connector	Terminal
   B22	5	M67	58	Existed

2. Check for continuity between the fuel level sensor unit and fuel pump (main) harness connector and the ground.

   Fuel level sensor unit and fuel pump (main)		Ground	Continuity
   Connector	Terminal
   B22	5		Not existed

Is the inspection result normal?

YES 

Replace unified meter and A/C amp. Refer to REMOVAL AND INSTALLATION .

NO 

Repair harness or connector.