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Test 97A - Engine Controller No Response

WARNING: This page is about a different car, the 1993 Dodge Dynasty, 1993 Chrysler New Yorker Fifth Avenue, 1993 Chrysler New Yorker, and 1993 Chrysler Imperial. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION  . For appropriate wiring diagram, see WIRING DIAGRAMS  at end of article. Powertrain Control Module (PCM).
  1. Turn ignition off. Disconnect engine controller 60-pin connector. Using an external ohmmeter, check resistance between terminal No. 26 (Violet/Brown wire) and terminal No. 46 (White/Black wire) of engine controller. If resistance is not 100-140 ohms, replace engine controller. Perform VERIFICATION PROCEDURE VER-1.
  2. If resistance is 100-140 ohms, check resistance of Violet/Brown wire between engine controller 60-pin connector and Chrysler Collision Detection (CCD) bus data link connector. Connector is located on left kick panel, near hood release handle. If resistance is more than 5 ohms, repair open Violet/Brown wire. Perform VERIFICATION PROCEDURE VER-1.
  3. If resistance is less than 5 ohms, check resistance of White/Black wire between engine controller 60-pin connector and bus data link connector. If resistance is more than 5 ohms, repair open White/Black wire. Perform VERIFICATION PROCEDURE VER-1. If resistance is less than 5 ohms, replace engine controller. Perform VERIFICATION PROCEDUREVER-1.
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