Home/Volvo/XC90/Volvo XC90 I (2002-2006)/Repair manual/Entertainment Systems/Control Modules - Signal Specifications: Specifications
Contents Wiring diagrams Section: Entertainment Systems All sections

Control Modules - Signal Specifications: Specifications Volvo XC90 I

Entertainment Systems 9 illustrations ~160 words

SIGNAL SPECIFICATION, REAR SEAT ENTERTAINMENT MODULE (RSE)

U=DC voltage in volts (V)U AC =AC voltage in volts (V)
U bat =Battery voltage (V)F =Frequency in Hertz (Hz)
U low =Voltage approximately 0 VT =Time in seconds
PWM =Pulse width modulated signal as a %

Scheme 217

Scheme 217
TerminalSignal typeIgnition onOther
#A1I2C data bus (SDA)Data signal 0-5 V#1-#10 left-hand display screen
#A2Synch clock signal I2C (SKL)Data signal 0-5 V
#A3Ground, display screenU = UlowCable casing
#A4Signal infra-red receiverRemote control receiver
#A5Supply to infra-red receiver5 VRemote control receiver
#A6Supply to display screen (LCD)U = Uhigh
#A7Picture signalAnalog signal
#A8Reference ground picture signal and display screenU = Ulow
#A9Ground to display screen background lightingU = UlowLiquid-crystal display (LCD) lighting
#A10Supply to display screen background lightingU = UhighLiquid-crystal display (LCD) lighting
#A11I2C data bus (SDA)Data signal 0-5 V#11-#20 right-hand display screen
#A12Synch clock signal I2C (SKL)Data signal 0-5 V
#A13Ground, display screenU = UlowCable casing
#A14Signal infra-red receiverRemote control receiver
#A15Supply to infra-red receiver5 VRemote control receiver
#A16Supply to display screen (LCD)U = Uhigh
#A17Picture signalAnalog signal
#A18Reference ground picture signal and display screenU = Ulow
#A19Ground to display screen background lightingU = UlowLiquid-crystal display (LCD) lighting
#A20Supply to display screen background lightingU = UlowLiquid-crystal display (LCD) lighting

SIGNAL TABLE

TerminalSignal typeIgnition onOther
#B115 supplyU= UhighU= Ulow with the ignition off
#B2Ground TVU= UlowTV ground, port select
#B3
#B4
#B5
#B6SupplyU= Uhigh
#B7
#B8
#B9
#B10
#B11
#B12Power groundU= Ulow

SIGNAL TABLE

TerminalSignal typeIgnition onOther
#C1Right-hand audio (out) audio channel 1ACLow level, signal to the headsets via the control module for rear audio separation. Each headset has an audio channel
#C2Left-hand audio (out) audio channel 1ACLow level, signal to the headsets via the control module for rear audio separation. Each headset has an audio channel
#C3
#C4Right-hand audio (out) audio channel 2ACLow level, signal to the headsets via the control module for rear audio separation. Each headset has an audio channel
#C5Left-hand audio (out) audio channel 2ACLow level, signal to the headsets via the control module for rear audio separation. Each headset has an audio channel
#C6Channel selector audio0 V = no signal at all 5 V = Left-hand display screen audio in loudspeaker (master) 7.5 V = right-hand display screen audio in loudspeaker (master)The left-hand passenger position sound is always in the left-hand headphone and vice versa
#C7Video signal (in)Analog signalWiring to the AUX-panel
#C8Video signal groundU = UlowWiring to the AUX-panel
#C9Right-hand audio signal (in)Wiring to the AUX-panel
#C10Left-hand audio signal (in)Wiring to the AUX-panel
#C11Audio groundWiring to the AUX-panel
#C12Audio groundLow level, signal to the headsets via the control module for rear audio separation

SIGNAL TABLE

TerminalSignal typeIgnition onOther
#D1A and B refers to the connectors on the DVD player
#D2Infra-red reference signal ground for DVDU = Ulow#A2 DVD (Infra-red GND)
#D3
#D415-supply and lighting for the DVDU = UbatTerminal #A6 DVD (Lighting) and terminal #A7 (DVD 15 supply)
#D5Infra-red control signal for DVDU=5 V#A1 DVD (Infra-red in)
#D6SupplyU = Ubat#A4 DVD (Batt)
#D7Picture signalAnalog signal#B7 DVD (Video out)
#D8Picture signal reference groundU = Ulow#B8 DVD (Video GND)
#D9Right audio channelAC#B6 DVD (Audio right)
#D10Left audio channelAC#B5 DVD (Audio left)
#D11Reference ground for audio channelsU = Ulow#B4 DVD (Audio GND)
#D12GroundU = Ulow#A8 DVD (ground)
#D13
#D14
#D15
#D16

SIGNAL TABLE

see SIGNAL SPECIFICATION, REAR SEAT ENTERTAINMENT MODULE (RSE)

SIGNAL SPECIFICATION, REAR SEAT ENTERTAINMENT MODULE (RSE), GENERATION 4.1

U=DC voltage in volts (V)U AC =AC voltage in volts (V)
U bat =Battery voltage (V)F =Frequency in Hertz (Hz)
U low =Voltage approximately 0 VT =Time in seconds
PWM =Pulse width modulated signal as a %

Damaged rear seat entertainment module (RSE).

Scheme 218

Scheme 218

Scheme 219

Scheme 219
TerminalSignal typeIgnition onMiscellaneous
#A1
#A2
#A3
#A4Power supply to control moduleU=U highDirect from battery via fuse.
#A5
#A6Power supply to control moduleU=U highVia Central electronic module (CEM). For lighting in buttons.
#A7Power supply to control moduleU=U highVia Central electronic module (CEM). Indication of ignition on.
#A8Ground terminalU=U low

SIGNAL TABLE

Scheme 220

Scheme 220
TerminalSignal typeIgnition onMiscellaneous
#D1
#D2Direct current (DC) voltage (out)7-9 V at activation of rear audio separation module (RAS).
#D3Ground terminalU=U lowGround for audio signal from rear audio separation module (RAS).
#D4Audio signal (in)Left audio channel (+), RCA-switch. Alternating current (AC) voltage during signal.
#D5
#D6
#D7Video signal (in)Input signal from video terminal (+) on AUX panel. Analog signal.
#D8
#D9Internal CAN (+)U= 2.5-2.8 VConnected to terminal #D10.
#D10Internal CAN (+)U= 2.5-2.8 VConnected to terminal #D9.
#D11
#D12Audio signal (out)Signal to wire headsets via AUX panel. Left audio signal headset socket 1.
#D13Audio signal (out)Signal to wire headsets via AUX panel. Right audio signal headset socket 1.
#D14Ground terminalU=U lowGround terminal wire headsets via AUX panel. Headset socket 1.
#D15
#D16Audio signal. (out)Output signal to rear audio separation (RAS). Right audio signal.
#D17Audio signal (out)Output signal to rear audio separation (RAS). Left audio signal.
#D18Audio signal (in)Input signal from AUX panel. Right audio channel (+), RCA switch. Alternating current (AC) voltage during signal.
#D19Ground terminalU=U lowGround terminal for audio inputs on AUX panel.
#D20
#D21Video signal. (in)Input signal from video terminal (-) on AUX panel. Analog signal.
#D22
#D23Internal CAN (-)U= 2.5-2.8 VConnected to terminal #D24.
#D24Internal CAN (-)U= 2.5-2.8 VConnected to terminal #D23.
#D25
#D26Ground terminalU=U lowGround terminal wire headsets via AUX panel. Headset socket 2.
#D27Audio signal (out)Signal to wire headsets via AUX panel. Left audio signal headset socket 2.
#D28Audio signal (out)Signal to wire headsets via AUX panel. Right audio signal headset socket 2.

SIGNAL TABLE

Scheme 221

Scheme 221
TerminalSignal typeIgnition onMiscellaneous
#E1Power supply12 VTo left display screen terminal #2.
#E2Wake-up signalApproximately 11-11.5 VTo left screen terminal #3. Upon start-up of the system and when there are communication faults with the screen, the voltages switches between 0 V and 11-11.5 V, 3 times.
#E3CAN signal (+)U= 2.5-2.8 VInternal CAN network between control module and display screens. Left display screen terminal #4.
#E4CAN signal (-)U= 2.5-2.8 VInternal CAN network between control module and display screens. Left display screen terminal #5.
#E5IR control signal for system (in)U= approx. 4 V when no IR signal receivedFrom left screen terminal #12. Lowers upon signal receipt.
#E6Ground terminalU= U lowFor audio signal to left display screen #11.
#E7Audio signal (out)Analog signalTo left display screen terminal #9. Left audio channel.
#E8Audio signal (out)Analog signalTo left display screen terminal #10. Right audio channel.
#E9
#E10Video signal (out)Analog signalTo left display screen terminal #8. Video (+).
#E11Video signal (out)Analog signalTo left display screen terminal #7. Video (-).
#E12Ground terminalU= U lowTo left display screen terminal #1.
#E13Power supply.12 VTo right display screen terminal #2.
#E14Wake-up signalApproximately 11-11.5 VTo right screen terminal #3. Upon start-up of the system and when there are communication faults with the screen, the voltages switches between 0 V and 11-11.5 V, 3 times.
#E15CAN signal (+)U= 2.5-2.8 VInternal CAN network between control module and display screens. Right display screen terminal #4.
#E16CAN signal (-)U= 2.5-2.8 VInternal CAN network between control module and display screens. Right display screen terminal #5.
#E17IR control signal for system (in)U= approx. 4 V when no IR signal receivedFrom right screen terminal #12. Lowers upon signal receipt.
#E18Ground terminalU= U lowFor audio signal to right display screen terminal #11.
#E19Audio signal (out)Analog signalTo right display screen terminal #10. Left audio channel.
#E20Audio signal (out)Analog signalTo right display screen terminal #9. Right audio channel.
#E21
#E22Video signal (out)Analog signalTo right display screen terminal #8. Video (+).
#E23Video signal (out)Analog signalTo right display screen terminal #7. Video (-).
#E24Ground terminalU= U lowTo right display screen terminal #1.

SIGNAL TABLE

SIGNAL SPECIFICATION, REAR SEAT ENTERTAINMENT MODULE (RSE), GENERATION 4.2

U=DC voltage in volts (V)U AC =AC voltage in volts (V)
U bat =Battery voltage (V)F =Frequency in Hertz (Hz)
U low =Voltage approximately 0 VT =Time in seconds
PWM =Pulse width modulated signal as a %
TerminalSignal typeIgnition onMiscellaneous
#A1
#A2
#A3
#A4Power supply to control moduleU=U highDirect from battery via fuse.
#A5
#A6Power supply to control moduleU=U highVia Central electronic module (CEM). For lighting in buttons.
#A7Power supply to control moduleU=U highVia Central electronic module (CEM). Indication of ignition on.
#A8Ground terminalU=U low

SIGNAL TABLE

TerminalSignal typeIgnition onMiscellaneous
#D1
#D2
#D3Ground terminalU=U lowGround for audio signal to AUX-input and Integrated Audio Module (IAM).
#D4Audio signal (in)Input signal from AV-panel. Left audio channel (+), RCA switch. Alternating current voltage during signal.
#D5
#D6
#D7Video signal (in)Input signal from video connection (+) on AV-panel. Analog signal.
#D8
#D9Internal CAN (+)U= 2.5-2.8 VConnected to terminal #D10.
#D10Internal CAN (+)U= 2.5-2.8 VConnected to terminal #D9.
#D11
#D12Audio signal (out)Signal to wire headsets via AV-panel. Left audio signal headset socket 1.
#D13Audio signal (out)Signal to wire headsets via AV-panel. Right audio signal headset socket 1.
#D14Ground terminalU=U lowGround connection wire headsets via AV-panel. Headset socket 1.
#D15
#D16Audio signal. (out)Output signal to AUX-input and Integrated Audio Module (IAM). Right audio signal.
#D17Audio signal (out)Output signal to AUX-input and Integrated Audio Module (IAM). Left audio signal.
#D18Audio signal (in)Input signal from AV-panel. Right audio channel (+), RCA switch. Alternating current voltage during signal.
#D19Ground terminalU=U lowGround connection for audio inputs on AV-panel.
#D20
#D21Video signal. (in)Input signal from video connection (-) on AV-panel. Analog signal.
#D22
#D23Internal CAN (-)U= 2.5-2.8 VConnected to terminal #D24.
#D24Internal CAN (-)U= 2.5-2.8 VConnected to terminal #D23.
#D25
#D26Ground terminalU=U lowGround connection wire headsets via AV-panel. Headset socket 2.
#D27Audio signal (out)Signal to wire headsets via AV-panel. Left audio signal headset socket 2.
#D28Audio signal (out)Signal to wire headsets via AV-panel. Right audio signal headset socket 2.

SIGNAL TABLE

TerminalSignal typeIgnition onMiscellaneous
#E1Power supply12 VTo left display screen terminal #2.
#E2Wake-up signalApproximately 11-11.5 VTo left screen terminal #3. Upon start-up of the system and when there are communication faults with the screen, the voltages switches between 0 V and 11-11.5 V, 3 times.
#E3CAN signal (+)U= 2.5-2.8 VInternal CAN network between control module and display screens. Left display screen terminal #4.
#E4CAN signal (-)U= 2.5-2.8 VInternal CAN network between control module and display screens. Left display screen terminal #5.
#E5IR control signal for system (in)U= approx. 4 V when no IR signal receivedFrom left screen terminal #12. Lowers upon signal receipt.
#E6Ground terminalU=U lowFor audio signal to left display screen #11.
#E7Audio signal (out)Analog signalTo left display screen terminal #9. Left audio channel.
#E8Audio signal (out)Analog signalTo left display screen terminal #10. Right audio channel.
#E9
#E10Video signal (out)Analog signalTo left display screen terminal #8. Video (+).
#E11Video signal (out)Analog signalTo left display screen terminal #7. Video (-).
#E12Ground terminalU=U lowTo left display screen terminal #1.
#E13Power supply12 VTo right display screen terminal #2.
#E14Wake-up signalApproximately 11-11.5 VTo right screen terminal #3. Upon start-up of the system and when there are communication faults with the screen, the voltages switches between 0 V and 11-11.5 V, 3 times.
#E15CAN signal (+)U= 2.5-2.8 VInternal CAN network between control module and display screens. Right display screen terminal #4.
#E16CAN signal (-)U= 2.5-2.8 VInternal CAN network between control module and display screens. Right display screen terminal #5.
#E17IR control signal for system (in)U= approx. 4 V when no IR signal receivedFrom right screen terminal #12. Lowers upon signal receipt.
#E18Ground terminalU=U lowFor audio signal to right display screen terminal #11.
#E19Audio signal (out)Analog signalTo right display screen terminal #10. Left audio channel.
#E20Audio signal (out)Analog signalTo right display screen terminal #9. Right audio channel.
#E21
#E22Video signal (out)Analog signalTo right display screen terminal #8. Video (+).
#E23Video signal (out)Analog signalTo right display screen terminal #7. Video (-).
#E24Ground terminalU=U lowTo right display screen terminal #1.

SIGNAL TABLE

SIGNAL SPECIFICATION, REAR SEAT ENTERTAINMENT MODULE (RSE), GENERATION 4.3

All the values listed are measured between the terminal in column 1 and terminal #A8 (ground), unless otherwise indicated in brackets.

U=DC voltage in volts (V)U AC =AC voltage in volts (V)
U bat =Battery voltage (V)F =Frequency in Hertz (Hz)
U low =Voltage approximately 0 VT =Time in seconds
PWM =Pulse width modulated signal as a %
TerminalSignal typeIgnition onMiscellaneous
#A1
#A2
#A3
#A4Power supply to control moduleU=U highDirect from battery via fuse. Also supply to TV receiver, 26 pin connector terminal #26 via fuse.
#A5
#A6Power supply to control moduleU=U highVia Central electronic module (CEM). For lighting in buttons.
#A7Power supply to control moduleU=U highVia Central electronic module (CEM). Indication of ignition on.
#A8Ground terminalU=U highAlso ground terminal for TV receiver, 26 pin connector terminal #13 via fuse.

SIGNAL TABLE

TerminalSignal typeIgnition onMiscellaneous
#C1Video signal (in) from TV receiverInput signal from TV receiver, 26 pin connector terminal #20. Video +.
#C2Video signal (in) from TV receiverInput signal from TV receiver, 26 pin connector terminal #5. Video -.
#C3Audio signal (in) from TV receiverInput signal from TV receiver, 26 pin connector terminal #22. Left audio channel (L+).
#C4Audio signal (in) from TV receiverInput signal from TV receiver, 26 pin connector terminal #21. Right audio channel (R+).
#C5Ground terminal audio for TV receiverGround terminal audio for TV receiver, 26 pin connector terminal #6
#C6
#C7
#C8
#C9
#C10

SIGNAL TABLE

TerminalSignal typeIgnition onMiscellaneous
#D1
#D2
#D3Ground terminalU=U highGround for audio signal to AUX input terminal #1 and Integrated Audio Module (IAM). Internal AUX input connected with terminal #7.
#D4Audio signal (in)Input signal from AV-panel. Left audio channel (+), RCA switch. Alternating current voltage during signal.
#D5
#D6
#D7Video signal (in)Input signal from video connection (+) on AV-panel. Analog signal.
#D8
#D9Internal CAN (+)U= 2.5-2.8 VBridged to terminal #D10. Digital signal
#D10Internal CAN (+)U= 2.5-2.8 VBridged to terminal #D9. Digital signal
#D11Wake-up signal, TV receiverNo wake-up signal: U= approx. 0 V Wake-up signal sent: U= approx. 9 V When the wake-up signal is sent and the TV receiver is disconnected, the voltage from the DVD player is approx. battery voltage.To TV receiver, 26 pin connector terminal #25 Wake-up signals are only sent during start-up of the system (ignition on) and when the system is in operation. No wake-up signals are sent with the ignition on and when in standby. When the TV receiver's indication LED illuminates, a wake-up signal is sent.
#D12
#D13
#D14
#D15IR ground signal to TV receiverIgnition on and TV receiver's indication LED illuminated: U = approx. 9.3 VTo TV receiver's 6 pin connector terminal #3. Measured against terminal #D25
#D16Audio signal (out)Output signal to AUX input terminal #2 and integrated audio module (IAM). Right audio signal. Internal AUX input connected with terminal #6. Circuit broken if 3.5 mm connector is connected.
#D17Audio signal (out)Output signal to AUX input terminal #3 and integrated audio module (IAM). Left audio signal. Internal AUX input connected with terminal #5. Circuit broken if 3.5 mm connector is connected.
#D18Audio signal (in)Input signal from AV-panel. Right audio channel (+), RCA switch. Alternating current voltage during signal.
#D19Ground terminalU=U lowGround connection for audio inputs on AV-panel.
#D20
#D21Video signal (in)Input signal from video connection (-) on AV-panel. Analog signal.
#D22
#D23Internal CAN (-)U= 2.5-2.8 VBridged to terminal #D24. Digital signal
#D24Internal CAN (-)U= 2.5-2.8 VBridged to terminal #D23. Digital signal
#D25IR signal to TV receiverIgnition on and TV receiver's indication LED illuminated: U = approx. 9.3 V Ignition on and TV receiver's indication LED not illuminated: U = approx. X. X VTo TV receiver's 6 pin connector terminal #1. Measured against terminal #D15.
#D26
#D27
#D28

SIGNAL TABLE

TerminalSignal typeIgnition onMiscellaneous
#E1Voltage supply, left screenU= approx. 12 VTo left display screen terminal #6.
#E2Wake-up signal, left screenU= approx. 11-11.5 VTo left display screen terminal #5. At system start-up and when there is a communication fault with the screen, the voltage shifts between 0 V and 11-11.5 V, 3 times.
#E3CAN-signal (+), left screenU= 2.5-2.8 VInternal CAN network between control module and display screens. Left display screen terminal #4.
#E4CAN-signal (-), left screenU= 2.5-2.8 VInternal CAN network between control module and display screens. Left display screen terminal #3.
#E5IR control signal for system (in), left screenU= approx. 4 V when no IR signal received U= approx. 3 V when IR signal receivedFrom left screen terminal #2. Lowers upon signal receipt.
#E6Ground terminal, left screenU=U lowFor audio signal to left display screen #8.
#E7Audio signal (out), left screenAnalog signalTo left display screen terminal #9. Left audio channel.
#E8Audio signal (out), left screenAnalog signalTo left display screen terminal #10. Right audio channel.
#E9
#E10Video signal (out), left screenAnalog signalTo left display screen terminal #11. Video (+).
#E11Video signal (out), left screenAnalog signalTo left display screen terminal #12. Video (-).
#E12Ground terminal, left screenU=U lowTo display left screen terminal #7.
#E13Voltage supply, right screenU= approx. 12 VTo right display screen terminal #6.
#E14Wake-up signal, right screenU= approx. 11-11.5 VTo right display screen terminal #5. At system start-up and when there is a communication fault with the screen, the voltage shifts between 0 V and 11-11.5 V, 3 times.
#E15CAN-signal (+), right screenU=2.5-2.8 VInternal CAN network between control module and display screens. Right display screen terminal #4.
#E16CAN-signal (-), right screenU=2.5-2.8 VInternal CAN network between control module and display screens. Right display screen terminal #3.
#E17IR control signal for system (in), right screenU=approx. 4 V when no IR signal received U=approx. 3 V when IR signal receivedFrom right screen terminal #2. Lowers upon signal receipt.
#E18Ground terminal, right screenU=U lowFor audio signal to right display screen terminal #8.
#E19Audio signal (out), right screenAnalog signalTo right display screen terminal #10. Left audio channel.
#E20Audio signal (out), right screenAnalog signalTo right display screen terminal #9. Right audio channel.
#E21
#E22Video signal (out), right screenAnalog signalTo right display screen terminal #11. Video (+).
#E23Video signal (out), right screenAnalog signalTo right display screen terminal #12. Video (-).
#E24Ground terminal, right screenU=U lowTo right display screen terminal #7.

SIGNAL TABLE

SIGNAL SPECIFICATION, CONTROL MODULE FOR REAR AUDIO SEPARATION

U=DC voltage in volts (V)U AC =AC voltage in volts (V)
U bat =Battery voltage (V)F =Frequency in Hertz (Hz)
U low =Voltage approximately 0 VT =Time in seconds
PWM =Pulse width modulated signal as a %

Scheme 222

Scheme 222
TerminalSignal typeIgnition onOther
#A1Battery voltage supplyUbat
#A2Right-hand audio (out) audio channel 2Headset signal channel 2, low level audio
#A3Left-hand audio (out) audio channel 2Headset signal channel 2, low level audio
#A415 supplyUbat
#A5Left-hand audio (out) audio channel 1Headset signal channel 1, low level audio
#A6Right-hand audio (out) audio channel 1Headset signal channel 1, low level audio
#A7
#A8Loudspeaker signal left-hand (L-)U = UlowRear loudspeakers, high level audio
#A9Loudspeaker signal left-hand (R-)Rear loudspeakers, high level audio
#A10Loudspeaker signal left-hand (R+)Rear loudspeakers, high level audio
#A11Loudspeaker signal left-hand (L+)Rear loudspeakers, high level audio
#A12Incoming loudspeaker sound (L+)The control module for rear audio separation receives audio signals from the standard system and processes the sound
#A13Ground supplyUlow
#A14
#A15Audio ground
#A16
#A17
#A18Channel selector ground0 V = no signal at all 5 V = left-hand display screen audio in loudspeaker (master) 7.5 V = right-hand display screen audio in loudspeaker (master)The left-hand passenger position sound is always in the left-hand headphone and vice versa
#A19
#A20
#A21Incoming loudspeaker sound (R-)Alternating current at sound in center loudspeakerThe control module for rear audio separation receives audio signals from the standard system and processes the sound
#A22Incoming loudspeaker sound (R+)The control module for rear audio separation receives audio signals from the standard system and processes the sound
#A23Incoming loudspeaker sound (L-)The control module for rear audio separation receives audio signals from the standard system and processes the sound
#A24

SIGNAL TABLE

TerminalSignal typeIgnition onOther
#B1Infra-red supply5 VInfra-red receiver headsets
#B2Infra-red audio HiLow levelTwisted
#B3Infra-red audio LoLow levelTwisted
#B4GroundUlow

SIGNAL TABLE

see SIGNAL SPECIFICATION, CONTROL MODULE FOR REAR AUDIO SEPARATION

SIGNAL SPECIFICATION, REAR AUDIO SEPARATION

U=DC voltage in volts (V)U AC =AC voltage in volts (V)
U bat =Battery voltage (V)F =Frequency in Hertz (Hz)
U low =Voltage approximately 0 VT =Time in seconds
PWM =Pulse width modulated signal as a %

Scheme 223

Scheme 223
TerminalSignal typeIgnition onOther
#A1Battery voltage supplyU bat
#A2Switch signal for reverse warningConnects audio from the reverse warning system to the rear speakers when reverse gear is engaged.
#A3Left audio (in)From DVD player.
#A4Audio groundFor audio signal from DVD player. Internally connected to terminal #12
#A5Loudspeaker signal left-hand (L+) (out)Rear speakers, high level audio.
#A6Loudspeaker signal left-hand (L-) (out)U=U lowRear speakers, high level audio.
#A7Loudspeaker signal right-hand (R-) (out)U=U lowRear speakers, high level audio.
#A8Loudspeaker signal right-hand (R+-) (out)Rear speakers, high level audio.
#A9Ground terminal control moduleU=U low
#A10Activation signal for rear audio separation (RAS)Approx. 7-9 V when function is activated.Connecting function. From Rear seat entertainment module (RSE).
#A11Right audio (in)From DVD player.
#A12Audio groundFor audio signal from DVD player. Is internally connected to terminal #4.
#A13Incoming loudspeaker sound (L+)Input signal from the front audio system.
#A14Incoming loudspeaker sound (L-)Input signal from the front audio system.
#A15Incoming loudspeaker sound (R-)Input signal from the front audio system.
#A16Incoming loudspeaker audio (R+)Input signal from the front audio system.

SIGNAL TABLE

U=DC voltage in volts (V)U AC =AC voltage in volts (V)
U bat =Battery voltage (V)F =Frequency in Hertz (Hz)
U low =Voltage approximately 0 VT =Time in seconds
PWM =Pulse width modulated signal as a %

SIGNAL SPECIFICATION

Scheme 224

Scheme 224: Connector A
Breakout box terminalControl module terminalSignal typeIgnition onIgnition offOther
#A-130-feedU = U batU = U bat
#A-2Ground, 30 supplyU=U lowU=U low

SIGNAL TABLE

Scheme 225

Scheme 225: Connector B
Breakout box terminalControl module terminalSignal typeIgnition onIgnition offOther
#B-1Input, antenna

SIGNAL TABLE

See also:
SIGNAL SPECIFICATION