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Home >> Mitsubishi >> 2000 >> Diamante LS >> Repair and Diagnosis >> Body & Frame >> Power Windows >> System Tests >> Test No. 2

Test No. 2

  1. Verify if simplified fault diagnosis is possible. See appropriate MULTIPLEX CONTROL SYSTEMS article. Diagnose as necessary. If simplified fault diagnosis is possible, go to next step.
  2. Install scan tool to DLC. Set scan tool to switch diagnosis mode. Follow scan tool manufacturer's instructions. Operate power window main switch. If ETACS-ECU buzzer sounds and high beam indicator illuminates for .1 second, go to next step. If buzzer does not sound and high beam indicator does not illuminate, replace door module (located on left front door).
  3. Disconnect door module harness connector. Turn ignition on. Check voltage between ground and door module harness-side connector terminal No. 1 (Blue wire). If battery voltage is present, go to step  5 . If battery voltage is not present, go to next step.
  4. Check connectors and circuit between power window relay and door module. See WIRING DIAGRAMS  . Repair as necessary.
  5. Check left front power window motor. See POWER WINDOW MOTOR  under COMPONENT TESTS. Replace as necessary. If power window motor is okay, check connectors to door module and left front power window motor. Repair as necessary. If connectors are okay, go to next step.
  6. Check circuit between door module and left front power window motor. See WIRING DIAGRAMS  . Repair as necessary. If circuit is okay, disconnect door module harness connector. Check for continuity between ground and door module harness-side connector terminal No. 3 (Black wire). If continuity is present, replace door module. If continuity is not present, go to next step.
  7. Check harness connector to door module. Repair as necessary. If connector is okay, repair circuit between door module and ground. See WIRING DIAGRAMS  .
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