XC70 AWD L6-3.2L VIN 98 B6324S (2009)
Checking the ground terminal
Check the ground cable between the Integrated Audio Module (IAM) terminal #C2:8 and the ground terminal. Check for an open-circuit. Check for
loose connections. Check for contact resistance and oxidation. With the ignition on, the drop in voltage between the ground connection for the Integrated
Audio Module (IAM) and the ground terminal must not be greater than 0.5 V.
Remedy as necessary.
Other information
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Connecting the breakout box See: Pinout Values and Diagnostic Parameters/Connecting the Breakout Box/Connection of Breakout Box,
Integrated Audio Module (IAM)
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Signal specification See: Pinout Values and Diagnostic Parameters/Signal Description/Signal Description, Integrated Audio Module (IAM)
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See the relevant wiring diagram for information about circuits and ground terminals in the bodywork.
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Checking wiring and terminals See: Testing and Inspection/Component Tests and General Diagnostics/Checking Wiring and Terminals
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Checking the Supply Voltage/Ground Terminal, Multimedia Module (MMM)
Checking the supply voltage/ground terminal
Power supply multimedia module (MMM)
Multimedia module (MMM) is supplied with voltage via a voltage input on the control module.
Power input #C1:6 is +30 supplied from the battery via a fuse in the engine compartment's relay and fuse box, and a fuse in the rear relay and fuse box.
Checking the power supply
Check the power supply cable from the battery to Multimedia module (MMM) terminal #C1:6. Check for an open-circuit. Check for loose connections,
contact resistance and oxidation. Also check the fuses. The voltage must be approximately battery voltage.
Ground terminal multimedia module (MMM)
The multimedia module (MMM) has a ground input. The ground input from the control module is connected via a ground lead to the ground terminal in
the car body. See the relevant wiring diagram for further information about the ground terminal.
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Ground input #C1:11 is power ground and is connected to the ground connection in the body.
Checking the ground terminal
Check the ground cable between the Multimedia module (MMM) terminal #C1:11 and the ground terminal. Check for an open-circuit. Check for loose
connections. Check for contact resistance and oxidation. With the ignition on, the drop in voltage between the ground connection for the Multimedia
module (MMM) and the ground terminal must not be greater than 0.5 V.
Remedy as necessary.
Other information
-
Connecting the breakout box See: Pinout Values and Diagnostic Parameters/Connecting the Breakout Box/Breakout Box Connection, Multimedia
Module (MMM)
-
Signal specification See: Pinout Values and Diagnostic Parameters/Signal Description/Signal Description, Multimedia Module (MMM)
-
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
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