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Home >> Volvo >> 2009 >> XC90 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Media, Communication And Navigation - Symptom Related Diagnostic Procedures - 1 Of 2 >> Checking The System, Digital Versatile Disc Player And Screens. Rear Seat Entertainment, Generation 4.2 (2007-2008) >> Checking The System, Digital Versatile Disc Player And Screens >> Checking The System, Digital Versatile Disc Player And Screens >> Checking The Cable And Component

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.

Other information 



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 



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 

Fig 1: Identifying Seat Headrest Video Screen
GLL153250Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
Fig 2: Identifying Rear Seat Entertainment Module (RSE)
GLL153262Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.