Diagnostic Routine L

Diagnostic Routine L

Diagnostic Overview

The Puddle Lamps Stay On Continuously

Refer to Wiring Diagram Set 89 for schematic and connector information Electrical Diagrams.

Normal Operation and Fault Conditions

REFER to Courtesy Lamps .

Visual Inspection and Diagnostic Pre-checks

- Inspect the exterior mirror for damage.

Pinpoint Test

1. CHECK THE INTERIOR COURTESY LAMPS

1. Observe the interior courtesy lamps.

Are the interior courtesy lamps illuminated?








2. CHECK THE PUDDLE LAMP OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE

1. Ignition OFF.

2. Disconnect: BCM (Body Control Module) C2280C.

3. Ignition ON.

Do the puddle lamps continue to illuminate?








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

1. Disconnect the BCM (Body Control Module) connectors.

2. Repair:

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

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

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

Is the concern still present?