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Volvo XC90 FWD L6-3.2L VIN 98 B6324S (2007)01 · Relays and Modules
01 · Diagnostics

Reading and Clearing Diagnostic Trouble Codes (Communications Control Module) (page 32 of 87)

Make
Volvo
Model
XC90 FWD
Engine
L6-3.2L VIN 98 B6324S
Year
2007
Section
Relays and Modules - Accessories and Optional Equipment › Communications Control Module › Testing and Inspection
Relays and ModulesReading and Clearing Diagnostic Trouble Codes · page 32 of 87
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Continue - DONE

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Checking the Supply Voltage/Ground Terminal, Integrated Audio Module (IAM)

Checking the supply voltage/ground terminal

Checking the power supply and ground terminals

Power supply, Integrated Audio Module (IAM)

The Integrated Audio Module (IAM) is supplied with voltage via a voltage input on the control module.
With ignition on the voltage input is supplied with voltage and the Integrated Audio Module (IAM) is in active mode.

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Voltage input 1 (#A1) is supplied with voltage via a fuse from the Central Electronic Module (CEM). The Integrated Audio Module (IAM) will
not be activated in the event of open circuits.

Checking the power supply

Check the power supply cable from the battery to the Central Electronic Module (CEM) and from the Central Electronic Module (CEM) to the
Integrated Audio Module (IAM) (#A1) with regard to open circuits, loose connections, contact resistance and corrosion. Check the fuse too. The voltage
should be approximate battery voltage with the ignition on.

Ground terminal, Integrated Audio Module (IAM)

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Parts & tools for this job For 2007 Volvo XC90 3.2L

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