gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 10653 > < Initial Inspection and Diagnostic Overview|Page 10651
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Outputs

Range:  ON/ OFF
The driver door unlock relay output refers to the commanded state of the driver door unlock relay coil

ON displays when the BCM commands the driver door unlock relay coil to turn ON.

ON momentarily displays when you press the RFA transmitter unlock button or an input from the power door unlock switches. This causes the BCM to
unlock the driver door.

OFF displays when the BCM does not command the driver door unlock relay coil to turn ON and the driver door unlock relay does not energize.

Passenger Door Unlock Relay

Initial Inspection and Diagnostic Overview|Page 10653 > < Initial Inspection and Diagnostic Overview|Page 10651