Operation

In-Car Entertainment High-Line System Operation

Head unit
When the power switch on the head unit is turned on, the internal power supply circuits are energised. Enable signals are sent from the head unit to the radio headphone amplifiers and the power amplifier. The CD autochanger also receives an enable signal. The head unit is connected by a B wire to earth point C0361-1.

Spatial imaging enable
The head unit spatial imaging enable output is connected from the head unit to the power amplifier on an SG wire.

RH low range rear door speaker
The positive output from the head unit is connected on a BG wire to connector interface C0229-18/C0067-18. From the interface the positive output continues on a R wire to the power amplifier. From the power amplifier the positive output continues on a SR wire to connector interface C0436-1/C0803-1. From this interface the feed continues on a BU wire to the low range RH rear door speaker.

The RH low range rear door speaker negative output is connected on a BG wire to connector interface C0436-2/C0803-2. From this interface the negative output is connected on a SP wire to the power amplifier. From the power amplifier the negative output is connected on a W wire to connector interface C0229-19/C0067-19. From this interface the feed continues on a BU wire to the head unit.

RH rear door high range speaker (upper door trim).
The positive output from the RH rear door speaker continues on to the RH rear door high range speaker on a BU wire. The negative output from the RH rear door high range speaker is connected on a BG wire to the negative output connector on the RH rear door speaker.

RH mid range front door speaker
The positive output from the head unit is connected on a BK wire to connector interface C0229-20/C0067-20. From the interface the positive output continues on a G wire to the power amplifier. From the power amplifier the positive output continues on a KB wire to connector interface C0463-2/C0744-2 LHD or C0459-2/C0744-2 RHD. From this interface the output continues on a KB wire to the RH front mid range door speaker.

The RH front mid range door speaker negative output is connected on a RB wire to connector interface C0463-1/C0744-1 LHD or C0459-1/C0744-1 RHD. From this interface the negative output is connected on a RB wire to the power amplifier. From the power amplifier the negative output is connected on a S wire to connector interface C0229-21/C0067-21 LHD or C0229-21/C0067-21 RHD. From this interface the feed continues on a BR wire to the head unit.

RH high range 'A' post speaker
From connector interface C0463-2/C0744-2 LHD or C0459-2/C0744-2 RHD the positive output continues on a KB wire to the RH high range 'A' post speaker. The RH high range 'A' post speaker negative output is connected on a RB wire to connector interface C0463-1/C0744-1 LHD or C0459-1/C0744-1 RHD.

LH mid range front door speaker
The positive output from the head unit is connected on a BW wire to connector interface C0229-22/C0067-22. From the Interface the positive output continues on a Y wire to the power amplifier. From the power amplifier the positive output continues on a YB wire to connector interface C0459-1/C0744-1 LHD or C0463-1/C0744-1 RHD. From this interface the feed continues on a RB wire to the LH front door mid range speaker.

The LH front door mid range speaker negative output is connected on a KB wire to connector interface C0459-2/C0744-2 LHD or C0463-2/C0744-2 RHD. From this interface the negative output is connected on a YK wire to the power amplifier. From the power amplifier the negative output is connected on an O wire to connector interface C0229-23/C0067-23. From this interface the feed continues on a BN wire to the head unit.

LH high range 'A'post speaker
From connector interface C0459-1/C0744-1 LHD or C0463-1/C0744-1 RHD the positive output continues on a YB wire to the LH high range A-post speaker. The LH high range A post speaker negative output is connected on a YK wire to connector interface C0459-2/C0744-2 LHD or C0463-2/C0744-2 RHD.

LH low range rear door speaker
The positive output from the head unit is connected on a BY wire to connector interface C0229-24/C0067-24, from the interface the positive output continues on a U wire to the power amplifier. From the power amplifier the positive output continues on a SK wire to connector interface C0435-1/C0803-1. From this interface the feed continues on a BU wire to the LH low range rear door speaker.

The LH low range rear door speaker negative output is connected on a BG wire to connector interface C0435-2/C0803-2. From this interface the negative output is connected on a SO wire to the power amplifier. From the power amplifier the negative output is connected on a P wire to connector interface C0229-25/C0067-25. From this interface the feed continues on a BO wire to the head unit.

LH rear door high range speaker (upper door trim)
The positive output from the LH rear door speaker continues on to the LH rear door high range speaker on a BU wire. The negative output from the LH rear door high range speaker is connected on a BG wire to the negative output connector on the LH rear door speaker.

Low range tail door speakers
The power amplifier is connected to the low range tail door speaker 1 on a KB wire. From the low range tail door speaker 1 the connection returns on a RB wire to the power amplifier.

The power amplifier is connected to the low range tail door speaker 2 on a NB wire. From the low range tail door speaker 2 the connection returns on a WB wire to the power amplifier.

LH low range front door speaker
The power amplifier is connected on a KG wire to connector interface C0459-3/C0744-3. From this interface the connection continues on a BK wire to the low range LH front door speaker. The connection from the low range LH front door speaker returns on a BR wire to connector interface C0459-4/ C0744-4. From this interface the connection continues on an OK LHD/KR RHD wire to the power amplifier.

RH low range front door speaker
The power amplifier is connected on a OB wire to connector interface C0463-3/C0744-3. From this interface the connection continues on a BK wire to the low range RH front door speaker. The connection from the low range RH front door speaker returns on a BR wire to connector interface C0463-4/C0744-4. From this interface the connection continues on a KR LHD/OK RHD wire to the power amplifier.

Remote controls (steering wheel)
The remote control output is connected to the head unit by an SR wire via the rotary coupler. The remote control inputs are connected to the head unit via the rotary coupler with an SB wire.

Radio headphone amplifiers

Radio headphone earth
The radio headphone amplifiers are connected via header C0296 to earth header C0707 on a B wire

Left channel input/output
The positive left channel output from the head unit is connected on a R wire to the LH and RH radio headphone amplifiers. The negative output from the left channel of the LH and RH radio headphone amplifiers is connected on a W wire to the head unit.

Right channel input/output
The positive right channel output from the head unit is connected on a U wire to the LH and RH radio headphone amplifiers. The negative output from the right channel of the LH and RH radio headphone amplifiers is connected on a P wire to the head unit

Radio headphone remote control input/output
The radio headphones remote control feed from the head unit is connected to header C0296 on a Y wire From header C0296 the feed continues on Y wires to the LH and RH radio headphone amplifiers. The remote control input from the LH radio headphone amplifier is connected on an G wire to the head unit. The remote control input from the RH radio headphone amplifier is connected on an S wire to the head unit.

Radio headphone active input
Both of the radio headphone amplifiers are connected to header C0296 on O wires. From header C0296 the input continues on a O wire to the head unit.

Power amplifier - road speed connection
The power amplifier receives a road speed signal, for automatic volume control, on a KG wire connected to the Self Levelling and Anti-lock Braking System (SLABS) ECU via header C0290.

Power amplifier - earth connection
The power amplifier is connected to earth header C0708 by a B wire.

CD auto changer connections
The CD autochanger is earthed via the head unit on an N wire from the CD autochanger to connector interface C0912-8/C0911-8, and a B wire from the interface to the head unit

An I bus communications link is connected from the CD autochanger to connector interface C0912-5/C0911-5 on a G wire, and from the interface to the head unit on a K wire.

The CD auto changer permanent feed is connected from the head unit on a P wire.

The CD autochanger left channel positive input is connected to the head unit by a R wire. The left channel negative input is connected to the head unit on a S wire.

The CD autochanger right channel positive input is connected to the head unit by a W wire. The right channel negative input is connected to the head unit on a B wire from the CD autochanger to connector interface C0912-2/C0911-2, and a U wire from the interface to the head unit.