For 1990-2009 cars only
Diagnostic Instructions
| • | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
| • | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
| • | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
Circuit/System Description
The body control module (BCM) monitors the ignition mode signal from the ignition mode switch, battery condition and the doors status to determine whether RAP should be initiated.
Reference Information
Schematic Reference
Connector End View Reference
Master Electrical Component List
Electrical Information Reference
Circuit/System Testing
- While opening and closing all doors, observe the scan tool door ajar switch parameters. Parameter should switch between open and closed.
- With all doors closed, observe the scan tool Auxiliary parameter. Cycle the ignition key to the RUN position then back to OFF, power mode parameter should display ON, wait approximately 10 minutes, power mode parameter should display OFF.
| ⇒ | If not the specified parameter, refer to Symptoms - Vehicle Access . |
| ⇒ | If not the specified parameter, replace the BCM. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for BCM replacement, setup, and programming
