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Home >> Jeep >> 1996 >> Cherokee Classic, Part Time, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 4.0L >> Diagnostic Trouble Code (DTC) Identification >> Test NTC-10A - Checking Park/Neutral Position Switch
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Test NTC-10A - Checking Park/Neutral Position Switch

NOTE: For connector terminal identification, refer to CONNECTOR IDENTIFICATION . For wiring diagram, see WIRING DIAGRAMS article in this section.
  1. Using scan tool, read Park/Neutral (P/N) position switch state. Move gear selector in and out of Park and Reverse while observing scan tool display. If display corresponds with gear selector position, system is functioning correctly. Test passed. If display does not correspond with gear selector position, go to next step.
  2. Turn ignition off. Place gear selector in Park. Disconnect Powertrain Control Module (PCM) connectors. Inspect connectors and terminals for damage. Repair connectors and terminals as necessary and perform TEST VER-2A. If connector and terminals are okay, go to next step.
  3. Using scan tool in ohmmeter mode, check resistance of PCM Black connector, P/N position switch sense circuit (Brown/Yellow wire). Observe scan tool display while moving gear selector in and out of Park and Reverse. If resistance switches from less than 5 ohms to more than 5 ohms, replace PCM and perform TEST VER-2A . If resistance does not switch from less than 5 ohms to more than 5 ohms, go to next step.
  4. Check if resistance always stays less than 5 ohms. if resistance always stays less than 5 ohms, repair short to ground in P/N position switch sense circuit and perform TEST VER-2A. if resistance does not always stay less than 5 ohms, go to TEST NTC-10B .
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