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Test NS-5A - Inspecting Mechanical System

WARNING: This page is about a different car, the 1995 Dodge Ram Wagon, 1995 Dodge Ram Van, 1995 Dodge Pickup, and 1995 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Disconnect and inspect Manifold Absolute Pressure (MAP) sensor connector. Repair as necessary. Perform TEST VER-1. If connector is okay, turn ignition on. Using scan tool in voltmeter mode, check voltage on MAP sensor connector, 5-volt power supply circuit (Violet/White wire). If voltage is less than 4.5 volts, repair open in Violet/White wire. Perform TEST VER-1.
  2. If voltage is more than 4.5 volts, reconnect MAP sensor connector. Check spark plug cables for proper placement. Reinstall spark plug cables as necessary. Perform TEST VER-1. If spark plug cable placement is okay, turn ignition off. Check valve timing. Adjust valve timing as necessary. Perform TEST VER-1.
  3. If valve timing is within specification, check engine compression. Repair engine compression as necessary. Perform TEST VER-1. If engine compression is within specification, replace MAP sensor. Perform TEST VER-1.
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