2010 Cadillac Truck SRX AWD V6-2.8L Turbo 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
