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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 65 (Body Control Modules) >> Description & Operation >> Serial Data Power Mode
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Serial Data Power Mode

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

Power Mode Master (PMM) is Dash Integration Module (DIM). DIM uses ACC voltage, RUN/START voltage, IGNITION 3 voltage and OFF/RUN/STARTvoltage to determine power mode. For power mode combinations, see POWER MODES .

POWER MODES

Ignition Switch Position ACC IGNITION 3 RUN/START OFF/RUN/START Power Mode
OFF Inactive Inactive Inactive Inactive Off/Awake Or RAP
ACC Active Inactive Inactive Active Accessory
START Inactive Inactive Active Active Start/Crank
RUN Active Active Active Active Run