2010 Cadillac Truck SRX FWD V6-3.0L Page 435

2010 Cadillac Truck SRX FWD V6-3.0L Page 435

Schematics)

* Video System Schematics (See: Accessories and Optional Equipment/Diagrams/Electrical Diagrams/Video System Schematics)

Connector End View Reference

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

Description and Operation

Navigation System Description and Operation (See: Accessories and Optional Equipment/Description and Operation/Navigation System)

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 Testing

1. Ignition OFF, radio OFF, radio B+ fuse removed, disconnect all of the connectors listed below:

* Audio Amplifier X3

* Navigation Information Display X1 (display screen) (if equipped)

* Navigation Information Display X2 (actuator) (if equipped)

* Driver Seatback Video Display (if equipped)

* Passenger Seatback Video Display (if equipped)

2. Reinstall the radio B+ fuse. Ignition ON, radio ON, verify that DTC B1265 is NOT set as current.

瀚慖f DTC B1265 is set as current, test the entertainment remote enable circuit for a short to ground. If the circuit tests normal replace the

radio.

3. Verify that a test lamp illuminates between the entertainment remote enable circuit terminal listed below and ground:

* Audio Amplifier X3 terminal 8

* Navigation Information Display X1 terminal 4 (display screen) (if equipped)

* Navigation Information Display X2 terminal 3 (actuator) (if equipped)

* Driver Seatback Video Display terminal 2 (if equipped)

* Passenger Seatback Video Display terminal 2 (if equipped)

瀚慖f the test lamp does not illuminate, test the entertainment remote enable circuit for a short to ground or an open/high resistance. If the

circuit tests normal replace the radio.

4. Re-connect the harness connectors listed below one at a time. Verify that DTC B1265 does NOT set as current as each component is

re-connected.

* Audio Amplifier X3

* Navigation Information Display X1 (display screen) (if equipped)

* Navigation Information Display X2 (actuator) (if equipped)

* Driver Seatback Video Display (if equipped)

* Passenger Seatback Video Display (if equipped)

瀚慖f DTC B1265 sets as current, replace the module/component that was just re-connected.

Repair Instructions

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the repair.

* Radio, Video, Audio Disc Player, and Navigation Information Display Replacement (See: Accessories and Optional Equipment/Radio,

Stereo, and Compact Disc/Radio/Stereo/Service and Repair/Radio, Video, Audio Disc Player, and Navigation Information Display

Replacement)

* Radio, Video, Audio Disc Player, and Navigation Information Display Actuator Replacement (See: Accessories and Optional

Equipment/Radio, Stereo, and Compact Disc/Radio/Stereo/Service and Repair/Radio, Video, Audio Disc Player, and Navigation Information