Volvo Workshop Manuals
V50 L5-2.4L VIN 39 B5244S7 (2005)
Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Communications Control Module > Component Information > Testing and Inspection > Initial Inspection and Diagnostic Overview > Page 311
Check the power supply cable from the battery to audio module (AUD) terminal #45 (#A1). Check for an open-circuit. Check for loose connections.
Ground terminal, audio module (AUD)
The audio module (AUD) has a ground input. The ground input from the control module is connected via a ground lead to the ground terminal in the car
Ground input 1 (terminal #46 (#A2) is power ground and is connected to the ground terminal in the car body.
Checking the ground terminal
Check the ground lead between audio module (AUD) terminal #46 (#A2) and the ground terminal. Check for an open-circuit. Check for loose
Connecting the breakout box See: Pinout Values and Diagnostic Parameters/Connecting The Breakout Box, Audio Module (AUD)
Signal specification See: Pinout Values and Diagnostic Parameters/Signal Description, Audio Module (AUD)
See the relevant wiring diagram for information about circuit and ground terminals in the bodywork
Checking wiring and terminals See: Testing and Inspection/Component Tests and General Diagnostics/Checking Wiring and Terminals
Continue - DONE
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