Circuit/System Verification
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
With a scan tool, compare all parameters listed with the corresponding ignition key position. The PMM Power Mode Parameters table below illustrates the correct state of the System Power Mode parameter and other parameters in correspondence to the actual ignition switch position.
PMM Power Mode Parameters
| Ignition Switch Position | System Power Mode parameter | Accessory Switch parameter | Ignition Run Start Switch parameter |
|---|---|---|---|
| Operating Conditions: Drivers door open to disable RAP | |||
| Off | Off Awake, Off Asleep | Inactive | Inactive |
| Accessory | Accessory | Active | Inactive |
| Run | Run | Active | Active |
| Start | Crank | Inactive | Active |
- If any parameters are incorrect in any key position, proceed to the Circuit/System Testing or Component Testing below.