Diagnosis Procedure
- CHECK METER CONTROL SWITCH INPUT SIGNAL
- Turn the ignition switch ON.
- Check voltage between the following terminals of the combination meter:
Combination meter Condition Voltage Connector Terminal (+) (-) M53 36 16 When • (select) switch is pressed 0 V Other than the above 5 V 37 16 When □ (enter) switch is pressed 0 V Other than the above 5 V 39 16 When Illumination decrease - (illumination control) switch is pressed 0 V Other than the above 5 V 40 16 When Illumination increase + (illumination control) switch is pressed 0 V Other than the above 5 V Is the inspection result normal?
YES: INSPECTION END
NO: GO TO 2.
- CHECK METER CONTROL SWITCH SIGNAL CIRCUIT
- Turn the ignition switch OFF.
- Disconnect the combination meter and meter control switch connectors.
- Check continuity between combination meter harness connector and meter control switch harness connector.
Combination meter Meter control switch Continuity Connector Terminal Connector Terminal M53 16 M54 2 Existed 36 6 Existed 37 7 Existed 39 3 Existed 40 1 Existed - Check continuity between combination meter harness connector and ground.
Combination meter Ground Continuity Connector Terminal M53 16 Not existed 36 Not existed 37 Not existed 39 Not existed 40 Not existed Is the inspection result normal?
YES: INSPECTION END
NO: Repair harness or connector.