Circuit/System Verification
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, observe the scan tool Driver Door Unlock Sw. and Driver Door Lock Sw. parameters while using the driver door lock switch. The parameter should change between Inactive and Active.
- If the parameter does not change, refer to Door Lock Switch Malfunctio .
- Observe the scan tool Psgr Door Unlock Sw. and Psgr Door Lock Sw. parameters while using the passenger door lock switch. The parameter should change between Inactive and Active.
- If the parameter does not change, refer to Door Lock Switch Malfunctio .
- Command the doors to LOCK and UNLOCK with a scan tool, all doors should perform the LOCK and UNLOCK function.
- If one or more doors do not LOCK or UNLOCK, refer to Door Lock Malfunction .