2010 Cadillac CTS Sedan AWD V6-3.6L Page 571

2010 Cadillac CTS Sedan AWD V6-3.6L Page 571

Circuit/System Description

The rear passenger door locks are controlled by the body control module (BCM). When a door lock switch is operated to the lock position, the

BCM applies voltage to the rear door lock actuator lock control circuit which energizes the lock relay. The BCM applies ground to the rear door

lock actuator unlock control circuit which energizes the unlock relay coil.

Conditions for Running the DTC

Battery voltage is between 9-16 volts.

Conditions for Setting the DTC

B3130 00

The BCM detects a short to voltage on the rear door unlock control circuit.

B3135 00

The BCM detects a short to ground on the rear door lock control circuit.

Actions Taken When the DTC Sets

The BCM will disable all rear door unlock requests.

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

Door Lock/Indicator Schematics (See: Body and Frame/Locks/Diagrams/Electrical Diagrams/Door Lock/Indicator Schematics)

Connector End View Reference

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

Description and Operation

Power Door Latch Description and Operation (See: Body and Frame/Locks/Description and Operation)

Electrical Information Reference

* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/Circuit Testing/Circuit Testing)

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

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

Testing/Testing for Intermittent Conditions and Poor Connections)