2010 Cadillac Truck SRX FWD V6-3.0L Page 444

2010 Cadillac Truck SRX FWD V6-3.0L Page 444

The radio sets the DTC and defaults the video display to normal mode.

Conditions for Clearing the DTC

* The condition responsible for setting the DTC no longer exists.

* A history DTC will clear once 100 consecutive malfunction-free ignition cycles have occurred.

Reference Information

Schematic Reference

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

Video Entertainment System Description and Operation (Non-Headrest DVD Systems) (See: Accessories and Optional Equipment/Description

and Operation/Video Entertainment System (Non-Headrest DVD Systems))Video Entertainment System Description and Operation (Dual Headrest

DVD Systems) (See: Accessories and Optional Equipment/Description and Operation/Video Entertainment System (Dual Headrest DVD

Systems))Video Entertainment System Description and Operation (Seatback Display) (See: Accessories and Optional Equipment/Description and

Operation/Video Entertainment System (Seatback Display))

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, Radio ON, DVD playing, use the infrared remote control to change the display mode of the seatback video displays.

瀚慖f one of both of the seatback video displays mode setting cannot be controlled, refer to Circuit/System Testing.

2. Verify that DTC B1288 is NOT set as current.

瀚慖f DTC B1288 is set as current, refer to Circuit/System Testing.

Circuit/System Testing

1. Ignition OFF, disconnect the harness connector at the appropriate P22 seatback video display.

2. Ignition ON, DVD playing, test for 190-210 HZ DC between the video mode control circuit terminal 15 and ground.

瀚慖f not within the specified range, test the control circuit for a short to voltage, short to ground, or an open/high resistance. If the circuit

tests normal, replace the radio.

3. If all circuits test normal, replace the P22 rear video display.

Repair Instructions

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

* Video Display Replacement (See: Accessories and Optional Equipment/Entertainment Systems/Television / Monitor/Service and Repair)

* Control Module References (See: Testing and Inspection/Programming and Relearning)for Radio replacement, setup, and programming

B1289

DTC B1289

Diagnostic Instructions