gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 4316 > < Initial Inspection and Diagnostic Overview|Page 4314
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Outputs

Range:  ON/ OFF
The RAP relay output refers to the commanded state of the RAP relay coil.

ON displays when the BCM commands the RAP relay coil to energize. The command allows the relay to power up the following components:

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The radio

^

The power windows

^

The overhead console

^

The sunroof with the ignition key removed or in the OFF position with all of the doors closed

OFF displays when the BCM commands the RAP relay to turn OFF.

Headlamp Power Relay

Initial Inspection and Diagnostic Overview|Page 4316 > < Initial Inspection and Diagnostic Overview|Page 4314