Land Rover Freelander 2004my Electrical Library Rover Manual
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DESCRIPTION AND OPERATION 4.132FREELANDER 04MY HORNS DESCRIPTION General Two vehicle horns are fitted, one below each headlamp on either side of the engine bay. One horn emits a high tone, the other a low tone. The horns are operated by pressing either of the two buttons located on the steering wheel. The horn circuit is fed directly from the battery and operates independently of the ignition circuits. The horns are also used as an audible warning if the anti-theft alarm system is triggered. For more information on anti-theft alarm operation, refer to the Anti-theft Alarm and Central Door Locking (CDL) section of this manual. + ANTI-THEFT ALARM AND CENTRAL DOOR LOCKING (CDL). OPERATION Horns Feed from the positive battery terminal (C0192) is supplied to fusible link 4, fuse 6, and the horn relay coil (C0632) on an R wire. All are located in the engine compartment fuse box. The horn relay coil (C0576) is connected to the horn switches (C1254) via the rotary coupler (C0082) by a PY then P wire. The horn switches are normally open switches. When either of the horn switches are depressed, the switch contacts close and an earth path is created via the rotary coupler (C0082) on a B wire. The horn relay (C0576) is now energised, and is able to provide a feed from fuse 6 to the LH horn (C0003) on a PB wire. The horn relay (C0570) also provides a feed to the RH horn (C0004) on a PB wire. Both horns are earthed on B wires. Alarm Trigger Fusible link 4 (C0574) provides a constant battery feed to the Central Control Unit (CCU) (C0593) via the passenger compartment fuse box (C0587) on an NW wire. If the alarm is triggered, the CCU (C0430) provides an earth path for the relay coil (C0576) on a PY wire. The horns relay is now able to provide a feed to the horns as described above. By pulsing the earth path for the horn relay on and off, the CCU is able to control operation of the horns. For more information on alarm operation, refer to the Anti-theft Alarm and Central Door Locking (CDL) section of this manual. + ANTI-THEFT ALARM AND CENTRAL DOOR LOCKING (CDL).
DESCRIPTION AND OPERATION FREELANDER 04MY 4.133 REMOTE DISPLAY / CLOCK DESCRIPTION General The remote display/clock is mounted in the centre of the fascia. The time displayed on the clock can be adjusted using the H and M buttons mounted in the clock bezel. The clock will also display radio/cassette information. For more details on audio system operation, refer to the relevant Audio System section of this manual. + AUDIO SYSTEM. + NAVIGATION SYSTEM. OPERATION General Feed from the positive battery terminal (C0192) is supplied to fusible link 1, fusible link 4, and fusible link 12 of the engine compartment fuse box (C0632) on an R wire. Fusible link 4 (C0574) is connected to fuse 14 of the passenger compartment fuse box (C0587) by an NW wire. Fuse 14 (C0589) provides a constant battery feed to the remote display/clock (C0241) on a P wire. The remote display/clock (C0241) is earthed on a B wire. Fusible link 1 is connected in series with fusible link 2, which is also located in the engine compartment fuse box. Fusible link 2 (C0571) provides a constant battery feed to the ignition switch (C0028) on an NR wire. When the ignition switch is turned to the ignition position, current flows across the switch (C0028) to fuse 11 of the passenger compartment fuse box (C0588) on a PS wire. Fuse 11 (C0580) provides an ignition feed to the remote display/clock (C0241) on a LGW wire. When the remote display/clock receives this feed, it will illuminate. Fusible link 12 (C0575) provides a constant battery feed to the lighting switch (C0041) on an RN wire. When the lighting switch is turned to the side or headlamp position, current flows across the switch (C0041) to fuse 16 of the passenger compartment fuse box (C0587) on an R wire. Fuse 16 (C0589) is connected to the remote/display/clock by an RO wire. When the remote display/clock receives this feed, it dims its illumination.
DESCRIPTION AND OPERATION 4.134FREELANDER 04MY CIGAR LIGHTER DESCRIPTION General The cigar lighter is located in the centre console, and will only operate when the ignition switch is in the auxiliary or ignition position. When the cigar lighter element is pushed into its holder, power is automatically switched through its locking clips to the heater coil. As current passes through the heating coil, the element will heat up to the point where the locking clips expand and release the cigar lighter element. OPERATION General Feed from the positive battery terminal (C0192) is supplied to fusible link 1 of the engine compartment fuse box (C0632) on an R wire. Fusible link 1 is connected in series with fusible link 2, which is also located in the engine compartment fuse box. Fusible link 2 (C0571) is connected to the ignition switch (C0028) by an NR wire. When the ignition switch is turned to the auxiliary position, current flows across the switch (C0028) to fuse 9 of the passenger compartment fuse box (C0588) on a PS wire. Fuse 9 (C0585) provides a feed to the cigar lighter (C0089) on a PR wire. When the cigar lighter element is pushed into the cigar lighter, an earth path is created (C0089) on a B wire. When the element reaches the correct temperature and is ejected, the circuit is broken.
DESCRIPTION AND OPERATION FREELANDER 04MY 4.135 ACCESSORY SOCKET DESCRIPTION General The accessory socket is located at the rear of the centre console. It supplies battery voltage to any approved Land Rover accessory when the ignition switch is in either the auxiliary or ignition position. CAUTION: The cigar lighter should NOT be used for accessory power or damage may result. OPERATION General Feed from the positive battery terminal (C0192) is supplied to fusible link 1 and fusible link 4 of the engine compartment fuse box (C0632) on an R wire. Fusible link 4 (C0574) is connected to fuse 10 of the passenger compartment fuse box (C0587) by an NW wire. Fusible link 1 is connected in series with fusible link 2, which is also located in the engine compartment fuse box. Fusible link 2 (C0571) is connected to the ignition switch (C0028) by an NR wire. When the ignition switch is turned to the auxiliary position, current flows across the switch (C0028) to the accessory socket relay (C0588) on a PS wire. The accessory socket relay is located in the passenger compartment fuse box, and is earthed (C0587) on a B wire. The energised accessory socket relay allows a feed from fuse 10 to flow across the relay switch contacts (C0584) to the accessory socket (C0350) on a PN wire. The accessory socket (C0350) is earthed on a B wire.
DESCRIPTION AND OPERATION 4.136FREELANDER 04MY AUDIO SYSTEM DESCRIPTION General The audio system features a centre console mounted radio and front loading single CD player. Depending on the specification of the vehicle, the CD player will be capable of holding either a single CD, or in the case of higher specification vehicles, up to 6 CDs. Higher specification vehicles are also fitted with a power amplifier and sub-woofer. For more information on audio system features and functionality, refer to the In-Car Entertainment handbook. NOTE: The supporting circuit diagram shows the mid-range audio system fitted with optional Harmon Kardon speakers. A system fitted with standard speakers will not have a power amplifier or rear high range speakers fitted. The connector numbers applied to the high range speakers differ between the two speaker systems. For more information, refer to the Speakers – Standard and Speakers – Harmon Kardon sections. OPERATION General Feed from the positive battery terminal (C0192) is supplied to fusible link 1 and fusible link 4 of the engine compartment fuse box (C0632) on an R wire. Fusible link 4 (C0574) is connected to fuse 12 of the passenger compartment fuse box (C0587) by an NW wire. Fuse 12 (C0584) provides a constant battery feed to the head unit (C0098) on a P wire (P then PK if fitted with a power amplifier) and the power amplifier (C0491) on a P then PK wire. Fusible link 1 is connected in series with fusible link 2, which is also located in the engine compartment fuse box. Fusible link 2 (C0571) is connected to the ignition switch (C0028) by an NR wire. When the ignition switch is turned to the auxiliary position, current flows across the switch (C0028) to fuse 27 of the passenger compartment fuse box (C0588) on a PS wire. Fuse 27 (C0580) provides an auxiliary ignition feed to the head unit (C0098) on an LGW wire. The head unit (C0098) and the power amplifier (C0491) are both earthed on B wires.
DESCRIPTION AND OPERATION FREELANDER 04MY 4.137 Speakers – Standard The head unit (C0098) is connected to the speakers as follows: NOTE: The LH and RH speakers share the same connector numbers as they utilise the same door harness. zA positive signal is provided by the head unit to the RH front mid-range speaker (C0369) on an OK wire. The RH front mid-range speaker (C0369) is provided a negative signal by the head unit (C0092) on an OB wire. zA positive signal is provided by the head unit to the RH front high range speaker (C0531) on an OK wire. The RH front high range speaker (C0530) is provided a negative signal by the head unit (C0092) on an OB wire. zA positive signal is provided by the head unit to the LH front mid-range speaker (C0369) on a YK then OK wire. The LH front mid-range speaker (C0369) is provided a negative signal by the head unit (C0092) on a YB then OB wire. zA positive signal is provided by the head unit to the LH front high range speaker (C0531) on a YK then OK wire. The LH front high range speaker (C0530) is provided a negative signal by the head unit (C0092) on an YB then OB wire. zA positive signal is provided by the head unit to the RH rear mid-range speaker (C0445) on a UK wire. The RH rear mid-range speaker (C0445) is provided a negative signal by the head unit (C0092) on a UB wire. zA positive signal is provided by the head unit to the LH rear mid-range speaker (C0445) on an SK then UK wire. The LH rear mid-range speaker (C0445) is provided a negative signal by the head unit (C0092) on an SB then UB wire. NOTE: It is essential that all speakers are connected correctly. A speaker connected incorrectly will be out of phase with the remaining speakers, causing a deterioration of sound quality.
DESCRIPTION AND OPERATION 4.138FREELANDER 04MY Speakers – Harmon Kardon The head unit (C0098) is connected to the power amplifier (C0491) as follows: zA positive signal is provided by the head unit to the power amplifier on a BG wire. This signal is used by the power amplifier for the RH rear speakers. zA negative signal is provided by the head unit to the power amplifier on a BO wire. This signal is used by the power amplifier for the RH rear speakers. zA positive signal is provided by the head unit to the power amplifier on a BP wire. This signal is used by the power amplifier for the RH front speakers. zA negative signal is provided by the head unit to the power amplifier on a BU wire. This signal is used by the power amplifier for the RH front speakers. zA positive signal is provided by the head unit to the power amplifier on a BW wire. This signal is used by the power amplifier for the LH front speakers. zA negative signal is provided by the head unit to the power amplifier on a BS wire. This signal is used by the power amplifier for the LH front speakers. zA positive signal is provided by the head unit to the power amplifier on a BN wire. This signal is used by the power amplifier for the LH rear speakers. zA negative signal is provided by the head unit to the power amplifier on a BR wire. This signal is used by the power amplifier for the LH rear speakers.
DESCRIPTION AND OPERATION FREELANDER 04MY 4.139 The power amplifier (C0491) receives inputs from the head unit (C0098) and relays them to the speakers as follows: NOTE: The LH and RH speakers share the same connector numbers as they utilise the same door harness. zA positive signal is provided by the power amplifier to the RH front mid-range speaker (C1577) on an OK wire. The RH front mid-range speaker (C1577) is provided a negative signal by the power amplifier (C0491) on an OB wire. zA positive signal is provided by the power amplifier to the RH front high range speaker (C0680) on an OK wire. The RH front high range speaker (C0680) is provided a negative signal by the power amplifier (C0491) on an OB wire. zA positive signal is provided by the power amplifier to the LH front mid-range speaker (C1577) on a YK then OK wire. The LH front mid-range speaker (C1577) is provided a negative signal by the power amplifier (C0491) on a YB then OB wire. zA positive signal is provided by the power amplifier to the LH front high range speaker (C0680) on a YK then OK wire. The LH front high range speaker (C0680) is provided a negative signal by the power amplifier (C0491) on an YB then OB wire. zA positive signal is provided by the power amplifier to the RH rear mid-range speaker (C1428) on a UK wire. The RH rear mid-range speaker (C1428) is provided a negative signal by the power amplifier (C0491) on a UB wire. zA positive signal is provided by the power amplifier to the RH rear high range speaker (C0679) on a UK wire. The RH rear high range speaker (C0679) is provided a negative signal by the power amplifier (C0491) on a UB wire. zA positive signal is provided by the power amplifier to the LH rear mid-range speaker (C1428) on an SK then UK wire. The LH rear mid-range speaker (C1428) is provided a negative signal by the power amplifier (C0491) on an SB then UB wire. zA positive signal is provided by the power amplifier to the LH rear high range speaker (C0679) on an SK then UK wire. The LH rear high range speaker (C0679) is provided a negative signal by the power amplifier (C0491) on an SB then UB wire. NOTE: It is essential that all speakers are connected correctly. A speaker connected incorrectly will be out of phase with the remaining speakers, causing a deterioration of sound quality. Remote Audio Controls The head unit (C0098) provides a feed via the rotary coupler (C0082) to the remote audio controls (C1254) on a BR wire. The remote audio controls contain a number of normally open switches and resistors. When either of the controls are moved, one of the switches closes and a voltage is returned to the head unit (C0098) on a BW wire. The value of the voltage returned to the head unit is dependent upon which way the controls are moved (and how many resistors are brought into the circuit). By measuring this returned voltage, the head unit determines which function has been requested.
DESCRIPTION AND OPERATION 4.140FREELANDER 04MY Speed Dependent Volume Control The ABS ECU (C0501) provides a road speed signal to the power amplifier (C0491) (if fitted) and the head unit (C0098) on a WO wire. This signal is used to raise or lower the volume level from the speakers as road speed changes.
DESCRIPTION AND OPERATION FREELANDER 04MY 4.141 NAVIGATION SYSTEM DESCRIPTION General The satellite navigation head unit is located in the centre console, and also incorporates a radio and a front loading single CD player. Some vehicles are also fitted with a CD autochanger. The system operates when the ignition switch is turned to the auxiliary position. For more information on audio system features and functionality, refer to the Audio and Navigation System handbook. For detailed information on satellite navigation operation, refer to the Navigation System section of the System Description and Operation Workshop manual. NOTE: The supporting circuit diagram shows the Navigation system fitted with optional Harmon Kardon speakers. A system fitted with standard speakers will not have a power amplifier or rear high range speakers fitted. The connector numbers applied to the high range speakers differ between the two speaker systems. For more information, refer to the Speakers – Standard and Speakers – Harmon Kardon sections. OPERATION General Feed from the positive battery terminal (C0192) is supplied to fusible link 1 and fusible link 4 of the engine compartment fuse box (C0632) on an R wire. Fusible link 4 (C0574) is connected to fuse 12 of the passenger compartment fuse box (C0587) by an NW wire. Fuse 12 (C0584) provides a constant battery feed to the following on P then PK wires: zThe head unit (C0921) zThe CD autochanger (C0941) zThe power amplifier (C0491). Fusible link 1 is connected in series with fusible link 2, which is also located in the engine compartment fuse box. Fusible link 2 (C0571) is connected to the ignition switch (C0028) by an NR wire. When the ignition switch is turned to the auxiliary position, current flows across the switch (C0028) to fuse 27 of the passenger compartment fuse box (C0588) on a PS wire. Fuse 27 (C0580) provides an auxiliary ignition feed to the head unit (C0921) and the remote interface unit (C1897) on LGW wires. The head unit (C0921), CD autochanger (C0941), power amplifier (C0491), and the remote interface unit (C1897) are all earthed on B wires.