Diagnostic Procedure

WARNING: This page is about a different car, the 1994 Plymouth Sundance, 1994 Plymouth Acclaim, 1994 Dodge Spirit, 1994 Dodge Shadow, and 1994 Chrysler LeBaron. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: When using diagnostic tests, DO NOT skip any test steps or incorrect diagnosis may result.

Before proceeding with diagnosis, observe the following precautions:

Vehicle must have a fully charged battery and functional charging system (belt installed and all wiring connected).
DO NOT backprobe PCM connector. Probe PCM connector from pin side.
DO NOT cause short circuits when performing electrical tests. This will set additional trouble codes, making diagnosis of original problem more difficult.
DO NOT use a test light in place of a voltmeter.
ALWAYS repair lowest trouble code number first when using MIL method. Repair first trouble code displayed when using DRB.
ALWAYS perform verification procedure test after repairs are made.
ALWAYS disconnect DRB after completing testing, before starting any repairs and before charging battery.