Checking The Cable And Component

2009 Volvo XC70 BaseSECTION Checking The Cable And Component

Check the leads for video signals between the TV-receiver and rear seat entertainment module (RSE) for short-circuiting to voltage, short-circuiting to ground, and open circuit. There are two video leads for each screen. Regards the cables from rear seat entertainment module (RSE), terminals #E10 and #E11 for left screen as well as terminals #E22 and #E23 for right screen.

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Take measurements for the screen that is not communicating.

Check the lead for the wake-up signal from rear seat entertainment module (RSE)/DVD-player to screens, #E2 (left screen) and #E14 (right screen), for short-circuiting to ground and open circuit.

Check the connector for rear seat entertainment module (RSE)/DVD-player as well as screens for loose contact, contact resistance and oxidation.

HINT: If a screen is not working, try switching places between the screens/head restraints. If the malfunction remains, this indicates a malfunction either in the leads between the screen's circuit board and the display itself or in the display itself. 

Remedy as necessary.

Other information 

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.