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Home >> Volvo >> 2002 >> S60 Base, 2.4 61, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 25 (Media, Communication And Navigation - Specifications, Electrical/Electronic) >> Signal Specification (1999-2006) >> Signal specification, RTI >> Checking RTI and TV receiver control modules >> CD-ROM changer (to RTI control module and "chassis")

CD-ROM changer (to RTI control module and "chassis")

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: 10-CD Changer Connector Terminals
GLL104029Courtesy of VOLVO CARS OF NORTH AMERICA.

Before taking any readings, see Connecting the breakout box and checking the ground terminal .

CD-ROM changer terminals K1-K5 correspond to #26-#30 on the breakout box.

Control module terminal  Breakout box terminal Signal type  Ignition on  Signal specification 
K1 #26 Ground (Measured to battery negative terminal) Ulow -
K2 #27 30-supply (power supply from battery) Ubat -
K3 #28 Signal (+) with map information from the CD-ROM changer Digital signal VH =0.68 +/- 0.2 V,
VL =0.5 +/- 0.1 V
K4 #29 Screen ground, signal cables to CD-ROM changer Ulow -
K5 #30 Signal (-) with map information from the CD-ROM changer Digital signal VH =0.68 +/- 0.2 V,
VL =0.5 +/- 0.1 V
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