XC90 L5-2.5L Turbo VIN 59 B5254T2 (2004)
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Ignition off
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Disconnect the 5-pin connector from the display screen
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Ignition on.
Checking the cable
Check the display screen cable terminals. Check for oxidation and loose connections.
Check the cable terminals in the female and male sections of the connector. The cable terminals must not be damaged or pressed back
Check the voltage at the 5-pin connector for the screen. The voltage should be 12 V.
Take readings between:
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terminals #1 and #5
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terminals #2 and #4
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terminals #3 and #4.
If the voltage is not 12 V, check terminals #1, #2 and #3 in the 5-pin connector for the screen. Check for a short-circuit to ground. Check for an
open-circuit.
If the voltage is not 12 V, check terminals #4 and #5 in the 5-pin connector for the screen. Check for a short-circuit to supply voltage. Check for an
open-circuit.
Other information:
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To access or replace the multimedia module (MMM), see Multimedia module (MMM), replacing See: Service and Repair/Multimedia Module
(MMM), Replacing
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To access or replace the display screen, see Central loudspeaker, replacing See: Accessories and Optional Equipment/Radio, Stereo, and Compact
Disc/Speaker/Service and Repair/Central Loudspeaker, Replacing
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For information about signals, see Signal specification See: Pinout Values and Diagnostic Parameters/Signal Description/Signal Description,
Multimedia Module (MMM)
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For further information about the fuses and relays, see the Wiring Diagram
