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Diagnostic Test

  1. 1) NO RESPONSE - PCI BUS - PCM 

    Turn the ignition on.

    With the scan tool, attempt to communicate with the PCM.

    Was the scan tool able to I/D or communicate with the PCM? 

    Yes 

    1. The condition is not present at this time. Monitor scan tool parameters while wiggling the related wire harness. Refer to any Technical Service Bulletins (TSB) that may apply. Visually inspect the related wiring harness and connector terminals.
    2. Perform BODY VERIFICATION TEST .

    No 

    1. Refer to appropriate COMMUNICATION DTC in appropriate ELECTRICAL DIAGNOSTICS article.
    2. Perform BODY VERIFICATION TEST .
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