GM Service Manual Online
For 1990-2009 cars only
Table 1: Dash Integration Module (DIM)
Table 2: Rear Integration Module (RIM)

Dash Integration Module (DIM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Key ON Engine OFF

Battery Voltage

Data

Volts

Varies

Ignition Accessory/Run

Inputs

Active/Inactive

Active

Ignition 1 Run/Crank

Inputs

Active/Inactive

Active

Ignition Switch

Inputs

OFF/Accy./Run/Crank/RAP

Run

Rear Integration Module (RIM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Key ON Engine OFF

Battery Voltage

Data

Volts

Varies

Ignition 1

Data

Active/Inactive

Active

Vehicle Type

Data

Passenger Car/Truck

Passenger Car