FixVault
Home › Mitsubishi › 1997 › Diamante ES › Repair and Diagnosis › Body & Frame › Body, Cab Control Systems › Multiplex Control System › Symptom Tests › Circuit Tests › Test No. 1

Test No. 1

  1. Install Scan Tool (MB991502). Follow scan tool manufacturer's instructions. Turn ignition on. Operate passing switch twice or more within 5 seconds. If system goes into the simplified fault diagnostic mode, go to next step. If system does not go into simplified fault diagnostic mode, go to TEST NO. 2.
  2. Check voltage between ground and DLC terminal No. 16 (Red/Black wire). If battery voltage is present, go to step 4). If battery voltage is not present, check circuit between power supply and DLC. Repair as necessary.
  3. Check continuity between ground and DLC terminals No. 4 (Black wire) and No. 5 (Black wire). If continuity is present, go to next step. If continuity is not present, check circuit between power supply and DLC. Repair as necessary.
  4. Check circuit between DLC terminal No. 1 (Green/Red wire) and instrument panel ECU terminal No. 16 (Green/Red wire); between DLC terminal No. 4 (Black wire) and instrument panel ECU terminal No. 37 (Black wire); between DLC terminal No. 7 (Brown/White wire) and instrument panel ECU terminal No. 17 (Brown/White wire). Repair as necessary. If circuits are okay, replace instrument panel ECU.
About FixVault