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

Instrument Panel Integration Module (IPM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF/Radio ON

Trunk Release Switch

Non-HVAC Data

ON/OFF

OFF

Fuel Door Release Switch

Non-HVAC Data

ON/OFF

OFF

Rear Integration Module (RIM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF/Radio ON

Trunk Release Output

Outputs

ON/OFF

OFF

Fuel Door Release Relay

Outputs

ON/OFF

OFF

Trunk Ajar Switch

Inputs

ON/OFF

OFF