B2482

Schematic:

CIRCUIT DESCRIPTION
The OnStar Communication Interface Module (CIM) monitors the Remote Control 3-Button Mirror Assembly for stuck buttons.

DTC PARAMETERS
^ Any one button is depressed for 15 seconds.
^ This test runs every 300 ms.
^ Illuminate the Red OnStar telltale.

DIAGNOSTIC AIDS
If the condition is suspected to be intermittent, initiate multiple button presses in order to duplicate the condition.

TEST

Diagnostic Chart: