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 397
The Integrated Audio Module (IAM) has a ground input. The ground input from the control module is connected via a ground cable to the ground
Ground input 1 (#A14) is power ground and connected to the ground terminal in the body.
Checking the ground terminal
Check the ground cable between the Integrated Audio Module (IAM) (#A14) and the ground terminal with regard to open circuits, loose connections,
Signal description, Integrated Audio Module (IAM) See: Pinout Values and Diagnostic Parameters/Signal Description, Integrated Audio Module
See the relevant wiring diagram for information about circuits 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
Checking the Supply Voltage/Ground Terminal, Multimedia Module (MMM)
Checking the supply voltage/ground terminal
Checking the power supply and ground terminals
Power supply multimedia module (MMM)
The multimedia module (MMM) is powered via a power input on the control module.
Power input 1 (terminal #21 (#A1)) is powered via a fuse from the central electronic module (CEM). The multimedia module (MMM) will not be
Checking the power supply
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