Diagnosis Procedure

1. Turn ignition switch ON.
2. Check voltage between combination meter harness connector terminal and ground.
   TERMINALS VOLTAGE REFERENCE
   
   

   Terminals			Voltage (Approx.)
   (+)		(-)
   Combination meter		Ground
   Terminal	Connector
   M34	34		Courtesy of NISSAN MOTOR CO., U.S.A.

   Does it match fuel gauge reading? 

   YES: GO TO 2.

   NO: Replace the combination meter.

1. Turn ignition switch OFF.
2. Disconnect combination meter connector and fuel level sensor unit (main) connector.
3. Check continuity between combination meter harness connector terminal and fuel level sensor unit (main) harness connector terminal.
   TERMINALS CONTINUITY REFERENCE
   
   

   Terminals				Continuity
   (+)		(-)
   Combination meter		Fuel level sensor unit (main)
   Connector	Terminal	Connector	Terminal
   M34	34	B40	2	Existed

4. Check continuity between combination meter harness connector terminal and ground.
   TERMINALS CONTINUITY REFERENCE
   
   

   Terminals			Continuity
   (+)		(-)
   Combination meter		Ground
   Connector	Terminal
   M34	34		Not existed

   Is the inspection result normal? 

   YES: GO TO 3.

   NO: Repair harness or connector.

Check continuity between fuel level sensor unit (main) harness connector terminal and combination meter harness connector terminal.

Is the inspection result normal? 

YES: INSPECTION END

NO: Repair harness or connector.