Electronic Ignition System Diagnosis (Secondary Ignition Check)

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    Circuit Description

    The Secondary Ignition Check tests for faulty spark plugs, plug wires, or IC Module/Coils. This table requires the J 26792 spark tester (ST125).

    Test Description

    Number(s) below refer to the step number(s) on the Diagnostic Table.

    1. ...

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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: Electronic Ignition System Diagnosis (Secondary Ignition Check)

    secondary

    ignition

    check

    faulty

    spark

    plug

    module

    tester

    test

    resistance

    normal

    companion

    coil

    condition

    suspected

    performed

    system

    fuel

    diagnosis

    action

    value

    engine

    noted

    affected

    wire

    ground

    shorted

    specified

    remove

    measure

    lead

    cylinder

    install

    crank

    jump

    switch

    repeat

    arcing

    replace

    complete

    spark tester

    spark plug

    spark condition

    fuel system

    system diagnosis

    check affected

    affected spark

    plug wire

    wire resistance

    resistance ground

    wire shorted

    shorted ground

    specified value

    remove affected

    measure resistance

    resistance affected

    plug lead

    install spark

    crank engine

    engine spark

    plug tester

    tester spark

    spark jump

    jump tester

    companion cylinder

    affected coil

    action complete

    contact measuring spark

    measuring spark plug

    spark plug resistance

    when manufactured normal

    manufactured normal resistance

    normal resistance spark

    resistance spark plug

    companion spark plug

    spark condition follows

    condition follows suspected

    follows suspected coil

    suspected coil that

    test performed substituting

    causing spark condition

    fuel system diagnosis

    fuel injector balance

    injector balance test

    check affected spark

    affected spark plug

    spark plug wire

    plug wire resistance

    wire resistance ground

    plug wire shorted

    wire shorted ground

    remove affected spark

    measure resistance affected

    resistance affected spark

    spark plug lead

    install spark tester

    crank engine spark

    engine spark plug

    spark plug tester

    plug tester spark

    tester spark jump

    spark jump tester

    ground affected spark

    switch affected coil

    affected coil coil

    coil coil repeat

    fault affected coil

    affected spark plugs

    spark plugs check

    plugs check wear

    check wear damage

    spark plugs individually

    plugs individually measure

    replace spark plug

    spark plug engine

    plug engine mechanical

    engine mechanical action

    mechanical action complete