XC90 FWD L6-3.2L VIN 98 B6324S (2007)
Auxiliary Input / Output Jack: Testing and Inspection
Checking Accessory USB Unit (AUU)
Checking Accessory USB unit (AUU)
Information
The fault may be caused by:
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Malfunction in external sound source.
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Faulty software.
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Loose connections in leads.
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Internal fault in the Accessory USB unit (AUU).
Remedy in the following order.
Check function of the external sound source.
Load the Accessory USB Unit (AUU) with new software.
Continue.
Continue - Verification
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Verification
Corrective actions
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Ignition switch position II.
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Check that the external sound source is connected correctly to the control module.
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Check function of the Accessory USB Unit (AUU).
Is the function OK?
Yes - Troubleshooting procedure complete
No - Information
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Information
Remedy in the following order.
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Check the connectors and cables. Check especially the USB-connection for loose connection.
Other information:
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Signal specification See: Testing and Inspection/Pinout Values and Diagnostic Parameters/Signal Specification, Accessory USB Unit (AUU)
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Location of components
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For left-hand drive vehicles, see: Universal bus module (USB), R.H.D See: Entertainment System Control Module/Service and Repair/Universal
Bus Module (USB) Universal bus module (USB), L.H.D See: Entertainment System Control Module/Service and Repair/Universal Bus Module
(USB)
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For right-hand drive vehicles, see: Universal bus module (USB), R.H.D See: Entertainment System Control Module/Service and Repair/Universal
Bus Module (USB) Universal bus module (USB), L.H.D See: Entertainment System Control Module/Service and Repair/Universal Bus Module
(USB)
Continue - Verification
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Verification
Corrective actions
-
Ignition switch position II.
-
Check that the external sound source is connected correctly to the control module.
-
Check function of the Accessory USB Unit (AUU).
