Tuesday, January 21, 2020

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 703

2010 Cadillac Truck SRX AWD V6-2.8L Turbo 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.