Combination Meter Ecu Power Source Circuit
NOTE:
Combination meter is also known as instrument cluster.
- Check HEATER fuse (15-amp) and ECU-B fuse (7.5-amp). Replace if necessary. If fuses are okay, go to next step.
- Remove instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION. With wire harnesses disconnected, measure voltage between ground and terminals No. 1 and 3 of harness connector "C". See Fig 1. If battery voltage is present, perform next check listed in appropriate symptom diagnosis table. See TROUBLE SHOOTING . If battery voltage is not present, go to next step.
- Check for open in harness or connector between GND terminal of combination meter and chassis ground. See WIRING DIAGRAMS . Repair as necessary. If circuit is okay, repair faulty circuit between combination meter and battery.