Diagnosis Procedure

Check combination meter, unified meter and A/C amp. and terminals (combination meter side, unified meter and A/C amp. side, and harness side) for looseness or bent.

Is the inspection result normal? 

YES: GO TO 2.

NO: Repair terminal or connector.

1. Turn ignition switch OFF.
2. Disconnect combination meter connector and unified meter and A/C amp. connector.
3. Check continuity between combination meter harness connector M53 terminals 2, 3 and unified meter and A/C amp. harness connector M66 terminals 27, 7.

   2 - 27 : Continuity should exist.

   3 - 7 : Continuity should exist.

4. Check continuity between combination meter harness connector M53 terminals 2, 3 and ground.

   2, 3 - Ground : Continuity should not exist.

Is the inspection result normal? 

YES: GO TO 3.

NO: Repair harness or connector.

1. Turn ignition switch OFF.
2. Disconnect combination meter connector.
3. Connect unified meter and A/C amp. connector.
4. Turn ignition switch ON.
5. Check voltage between unified meter and A/C amp. harness connector M66 terminal 27 and ground.

   27 - Ground : Approx. 5 V

Is the inspection result normal? 

YES: GO TO 4.

NO: Replace unified meter and A/C amp.

1. Turn ignition switch OFF.
2. Disconnect unified meter and A/C amp. connector.
3. Connect combination meter connector.
4. Turn ignition switch ON.
5. Check voltage between combination meter harness connector M53 terminal 3 and ground.

   3 - Ground : Approx. 5 V

Is the inspection result normal? 

YES: INSPECTION END

NO: Replace combination meter.