Sable AWD V6-3.5L (2008)
DTC B1320 (Driver Door Ajar Circuit Open) - is an on-demand DTC that sets when the SJB detects an open from the LH front door ajar circuit.
DTC B1328 (Passenger Door Ajar Circuit Open) - is an on-demand DTC that sets when the SJB detects an open from the RH front door ajar circuit.
DTC B1336 (Door Ajar RR Circuit Open) - is an on-demand DTC that sets when the SJB detects an open from the RH rear door ajar circuit.
DTC B1572 (Door Ajar LR Circuit Open) - is an on-demand DTC that sets when the SJB detects an open from the LH rear door ajar circuit.
DTC B1688 (Lamp Dome Input Circuit Short To Ground) - is an on-demand DTC that sets when the SJB detects a short to ground from the
instrument panel dimmer switch circuit.
DTC B2077 (Liftgate Ajar Sw Circuit Failure) - is an on-demand DTC that sets when the SJB detects an open from the liftgate ajar circuit.
DTC B2A35 (Interior Lighting Output Circuit Open) - is an on-demand DTC that sets when the SJB detects a short to voltage from the courtesy lamp
output circuit.
DTC B2718 (Liftgate/Decklid Ajar Output Short To Battery) - is a continuous and on-demand DTC that sets when the power liftgate module detects a
short to voltage from the liftgate ajar input circuit to the SJB.
DTC B2721 (Liftgate/Decklid Ajar Output Short To Ground Or Open) - is a continuous and on-demand DTC that sets when the power liftgate module
detects an open from the liftgate ajar input circuit to the SJB.
This pinpoint test is intended to diagnose the following:
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Wiring, terminals or connectors
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Door ajar switch
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Liftgate ajar switch
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Instrument panel dimmer switch (part of the headlamp switch)
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Power liftgate module
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SJB