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 24, 25 and unified meter and A/C amp. harness connector M66 terminals 14, 34.

   24 - 14 : Continuity should exist.

   25 - 34 : Continuity should exist.

4. Check continuity between combination meter harness connector M53 terminals 24, 25 and ground.

   24, 25 - Ground : Continuity should not exist.

Is the inspection result normal? 

YES: GO TO 3.

NO: Repair harness or connector.

1. Connect unified meter and A/C amp. connector.
2. Turn ignition switch ON.
3. Check voltage between unified meter and A/C amp. harness connector M66 terminal 14 and ground.

   14 - Ground : Approx 12 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 25 and ground.

25 - Ground : Approx. 5 V

Is the inspection result normal? 

YES: INSPECTION END

NO: Replace combination meter.