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

Instrument Panel Cluster (IPC)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON, engine OFF, and park brake released.

Park Brake Switch

Inputs

On/Off

Off

Rear Integration Module (RIM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON, engine OFF, gear shift lever in Park, and park brake released.

Park Brake Relay - A

Outputs

On/Off

Off

Park Brake Relay - B

Outputs

On/Off

Off