2010 Cadillac Truck SRX FWD V6-3.0L Page 703

2010 Cadillac Truck SRX FWD V6-3.0L Page 703

Circuit/System Description

The body control module (BCM) energizes the park lamps by applying voltage to the park lamp control circuit. When the park lamp control circuit

is energized, the park lamps are illuminated.

Conditions for Running the DTC

Headlamp switch in park or low beam position.

Conditions for Setting the DTC

B2585 02

The BCM detects a short to ground on the left side park lamp control circuit.

B3867 02

The BCM detects a short to ground on the right side park lamp control circuit.

Action Taken When the DTC Sets

The appropriate park lamps will be inoperative

Conditions for Clearing the DTC

* The DTC will be current for as long as the fault is present.

* When the fault is no longer present, the DTC will be a history DTC.

* A history DTC will clear after 50 ignition cycles.

Reference Information

Schematic Reference

Exterior Lights Schematics (See: Diagrams/Electrical Diagrams/Lighting and Horns/System Diagram/Exterior Lights Schematics)

Connector End View Reference

Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)

Description and Operation

Exterior Lighting Systems Description and Operation (See: Lighting and Horns/Description and Operation/Exterior Lighting Systems)

Electrical Information Reference

* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit

Testing/Circuit Testing)

* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic

Procedures/Connector Repairs/Connector Repairs)

* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General

Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)

* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring

Repairs/Wiring Repairs)

Scan Tool Reference

Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information

Circuit/System Verification

1. Ignition ON, observe the function of the E2LF side marker lamp-left front, E5E tail lamp-left rear and the E4J park lamp-left front while

commanding the Left Park Lamps ON and OFF with a scan tool. The E2LF side marker lamp-left front, E5E tail lamp-left rear and the E4J

park lamp-left front should turn ON and OFF while changing between the commanded states

瀚慖f the E2LF side marker lamp-left front, E5E tail lamp-left rear and the E4J park lamp-left front are always ON or always OFF, refer to

Left Side Marker/Tail Lamps Malfunction.