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Test 6A - No Response From Powertrain Control Module

NOTE: For connector terminal ID, see CONNECTOR IDENTIFICATION  and WIRING DIAGRAMS  . Perform TEST VER-2A - VERIFICATION PROCEDURE  after each repair.
CAUTION: Always turn ignition off prior to disconnecting any module connector.
  1. If engine does not run, see appropriate article in ENGINE PERFORMANCE section. If engine runs, turn ignition off. Disconnect Powertrain Control Module (PCM). PCM is located on left fenderwell, next to power distribution center. Turn ignition on. Connect jumper wire between ground and PCM connector, terminal No. 59 (Violet/Brown wire).
  2. Using scan tool, select BODY, BODY COMPUTER, then SYSTEM TEST. Perform CCD BUS test. If scan tool does not display BUS SHORT TO GROUND, repair open Violet/Brown wire. If scan tool displays BUS SHORT TO GROUND, go to next step.
  3. Move jumper wire to terminal No. 60 (White/Black wire). Perform CCD BUS test. If scan tool does not display BUS SHORT TO GROUND, repair open White/Black wire. If scan tool displays BUS SHORT TO GROUND, replace PCM.
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