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MIL Diagnostic Mode

WARNING: This page is about a different car, the 1994 Eagle Vision, 1994 Dodge Intrepid, 1994 Chrysler New Yorker, 1994 Chrysler LHS, and 1994 Chrysler Concorde. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start engine (if possible). Move transmission shift lever through all positions, ending in Park. Turn A/C switch on and then off (if equipped).
  2. Turn engine off. Without starting engine again, turn ignition on, off, on, off and on. MIL will come on for 2 seconds as a bulb check, followed by trouble codes. Record 2-digit trouble codes as displayed by flashing MIL.
  3. For example, Code 23 is displayed as flash, flash, 4 second pause, then flash, flash, flash. After a slightly longer pause, any other codes stored are displayed in numerical order.
  4. Once MIL begins to flash trouble codes, it cannot be stopped. Code 55 indicates end of trouble code display. Go to step 1) to enter diagnostic mode again. For more information on vehicle self-diagnostics, see TESTS W/CODES - 3.3L article in the ENGINE PERFORMANCE Section.
  5. Refer to CHARGING SYSTEM TROUBLE CODES  table to translate trouble code number to a circuit description (same description is displayed in DRB display). Once trouble area is identified, refer to appropriate charging system test procedures under ON-VEHICLE TESTING .
NOTE: MIL cannot be used to perform actuation test mode, sensor test modes or engine running test.
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