Diagnostic Routine AN

Diagnostic Routine AN

Diagnostic Overview

U3008:13

Refer to Wiring Diagram Set 10 for schematic and connector information Electrical Diagrams.

Normal Operation and Fault Conditions

DTC Fault Trigger Conditions





Pinpoint Test

1. CHECK THE BCM (Body Control Module) POWER GROUND

1. Ignition OFF.

2. Disconnect: BCM (Body Control Module) C2280E.

3. Measure:





Is the resistance less than 3 ohms?






2. CHECK THE BCM (Body Control Module) PROCESSOR GROUND

1. Disconnect: BCM (Body Control Module) C2280A.

2. Measure:





Is the resistance less than 3 ohms?






3. CHECK FOR CORRECT BCM (Body Control Module) OPERATION

1. Disconnect and inspect all BCM (Body Control Module) connectors.

2. Repair:

- corrosion (install new connector or terminals- clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

3. Connect the BCM (Body Control Module) connectors. Make sure they seat and latch correctly.

4. Operate the system and determine if the concern is still present.

Is the concern still present?