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Home >> Infiniti >> 1998 >> Q45 Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission Shift Interlock System >> Symptom Tests (Except Q45) >> Selector Lever Can Or Cannot Be Moved From Park Position With Key In On Position & Brake Pedal Applied Or, Selector Lever Can Or Cannot Be Moved From Park Position When Key Is Removed From Key Cylinder >> Frontier, I30, Maxima, Sentra, 200SX (Except 1997 2.0L), 240SX, Pickup & Quest

Frontier, I30, Maxima, Sentra, 200SX (Except 1997 2.0L), 240SX, Pickup & Quest

  1. Ensure selector lever is not damaged. Check power source. With ignition on, measure voltage between ASCD cancel switch harness terminal No. 1 and ground. See Figure or Figure . Battery voltage should be present. If no voltage is present, check harness for open or short. Inspect fuse and ignition switch power source.
  2. Check ASCD cancel switch. With ignition on, measure voltage between shift lock solenoid and park position switch harness terminal No. 2 and ground. With brake pedal depressed, zero volts should be present. With brake pedal released, battery voltage should be present. If voltage is not as specified, check harness for open or short between shift lock solenoid and park position switch harness connector No. 2 and ASCD cancel switch harness connector No. 2. If circuit is okay, inspect ASCD cancel switch. See appropriate test in COMPONENT TESTS  .
  3. Check ground circuit. With ignition in OFF position. Disconnect shift lock solenoid and park position switch harness connector. Check continuity between shift lock solenoid and park position switch harness terminal No. 1 and ground. If no continuity exists, repair or replace harness or connector.
  4. Check park position switch and shift lock solenoid. See appropriate tests in COMPONENT TESTS  . Reconnect shift lock solenoid and park position switch harness connector. With ignition on, recheck shift lock operation.
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