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PCM and generator shearing inspection

  1. Inspect as follows:
    PCM AND GENERATOR SHEARING INSPECTION

    Step Inspection Action
    1 Measure the generator terminal B voltage when the electrical loads(1) are on and off. Above 15V Go to Step 2.
    Between 13-15 V Normal(2)
    Below 13V Go to Step 3.
    2 Monitor the ALTTV PID using WDS or equivalent, or mesure the voltage of PCM terminal 2AM using a tester. Is the voltage between 13-1 5V? Yes Go to Step 4.
    No PCM input error.
    3 Monitor the ALTTV PID using WDS or equivalent, or mesure the voltage of PCM terminal 2AM using a tester. Is the voltage between 13-15V? Yes Go to" Step 5.
    No PCM input error.
    4 Monitor the ALTF PID using WDS or equivalent, or calculate the duty value of the PCM terminal 2AQ using oscilloscope. Is the duty value 100 % ? Yes PCM input error.
    No PCM, generator, or both is not normal.
    G03768646
    5 Monitor the ALTF PID using WDS or equivalent, or calculate the duty value of the PCM terminal 2AQ using oscilloscope. Is the duty value 0 % ? Yes PCM input error.
    No PCM, generator, or both is not normal.
    G03768646
    (1) Headlights, blower motor, rear window defroster, and stop lamp.
    (2) If the generator field coil duty value does not change when electrical loads (headlights, blower motor, rear window defroster, stop lamp etc.) are on or off, inspection with discharged battery is needed.
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