Data Link Connector Diagnosis

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    Circuit Description

    The Class II serial data circuit to the DLC allows bi–directional communication between the PCM and the scan tool.

    Diagnostic Aids

    Check the following items:

    • For the PCM to establish communication with the scan tool, system voltage m...

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    You may preview the service manual table of contents by clicking below.

    Service Manual Table of Contents

    Document Tags

    Document Title: Data Link Connector Diagnosis

    circuit

    serial

    data

    communication

    scan

    tool

    diagnostic

    check

    system

    voltage

    diagnosis

    vehicle

    module

    poor

    wire

    damaged

    harness

    test

    powertrain

    replacement

    action

    value

    board

    ignition

    switch

    engine

    light

    battery

    feed

    ground

    probe

    class

    open

    problem

    found

    repair

    short

    procedures

    electrical

    locate

    complete

    data circuit

    powertrain board

    board diagnostic

    system check

    test light

    class serial

    repair procedures

    check locate

    locate repair

    circuit repair

    diagnosis action

    action complete

    serial data circuit

    scan tool vehicle

    powertrain control module

    control module replacement

    module replacement programming

    powertrain board diagnostic

    switch engine probe

    engine probe class

    probe class serial

    class serial data

    voltage measure specified

    measure specified value

    check class serial

    repair procedures electrical

    system check locate

    check locate repair

    circuit repair procedures

    diagnosis action complete

    locate repair open