Instrument Panel Integration Module (IPM)
WARNING: This page is about a different car, the 2005 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.
The IPM is wired to the class 2 serial data line. The various IPM input and output circuits are described in the corresponding functional areas as indicated on the IPM electrical schematics.
The IPM functions include the following:
- The ambient light sensor input and twilight delay input for headlamp control.
- The front HVAC air delivery and temperature control.
- The IP dimmer switch input.
- The ignition switch headlamp control.
- The interior lamps switch input.
- The key-in-ignition switch input from the ignition switch.
- The rear compartment lid release switch input.
- The traction control switch input.