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Home >> Mitsubishi >> 1994 >> 3000GT Base, Standard >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Anti-Theft System >> Testing >> Circuit Tests >> Test No. 7 (Liftgate Light Switch Input Circuit)
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Test No. 7 (Liftgate Light Switch Input Circuit)

  1. With ECU connector connected, check voltage on ECU connector terminal No. 17 (Blue/White wire) using an oscilloscope. When liftgate is closed, 5 volts should exist. No voltage should exist when liftgate is open. If voltage is as specified, go to next step. If voltage is not as specified, repair circuit between ECU and liftgate switch.
  2. Turn ignition switch to OFF position. Disconnect ECU connector. Using an ohmmeter, check continuity between ECU wiring harness connector terminal No. 17 (Blue/White wire) and ground. No continuity should exist when liftgate lid is closed. Continuity should exist when liftgate is open. If continuity is not as specified, repair open circuit between ECU and liftgate switch.
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