Land Rover Freelander 2003my Electrical Library Rover Manual
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DESCRIPTION AND OPERATION 4.126FREELANDER 03MY The warning lamps contained within the instrument operate as follows: zThe LH direction indicator warning lamp (C0233) receives a feed from the hazard warning lamp relay (C0589) on a GR wire. The lamp is earthed on a B wire. zThe RH direction indicator warning lamp (C0233) receives a feed from the hazard warning lamp relay (C0589) on a GW wire. The lamp is earthed on a B wire. zThe main beam warning lamp (C0233) receives a feed from the main/dipped beam relay via fuse 18 of the passenger compartment fuse box (C0589) on a UG wire. The lamp is earthed on a B wire. zThe rear fog warning lamp (C0230) receives a feed from the rear fog lamp relay (C0589) on a UY wire. The lamp is earthed on a B wire. zThe glow plug warning lamp receives a constant battery feed from fuse 14 of the passenger compartment fuse box (C0589) on a P wire. Illumination of the lamp is controlled by the Engine Control Module (ECM) (C0331) via the CAN-BUS on YN (Low) and YB (High) wires. This signal is relayed via the ABS ECU (C0501). zThe seat belt warning lamp receives an ignition feed from fuse 8 of the passenger compartment fuse box (C0589) on a G wire. Illumination of the lamp is controlled by the Central Control Unit (CCU) (C0593) via the passenger compartment fuse box (C0589) on an RP wire. NOTE: The seat belt warning lamp is not operational in all markets. zThe SRS warning lamp receives an ignition feed from fuse 8 of the passenger compartment fuse box (C0589) on a G wire. Illumination of the lamp is controlled by the airbag DCU (C0256) on a YR wire. zThe ABS warning lamp receives a constant battery feed from fuse 14 of the passenger compartment fuse box (C0589) on a P wire. Illumination of the lamp is controlled by the ABS ECU (C0501) via the CAN-BUS on YN (Low) and YB (High) wires. zThe door open warning lamp receives an ignition feed from fuse 8 of the passenger compartment fuse box (C0589) on a G wire. Illumination of the lamp is controlled by the CCU (C0593) via the passenger compartment fuse box (C0589) on a PB wire. zThe hazard warning lamp (C0230) receives a constant battery feed from fuse 14 of the passenger compartment fuse box (C0589) on a P wire. Illumination of the lamp is controlled by the hazard warning switch (C0096) on a SY wire. zThe Hill Descent Control (HDC) warning lamp receives a constant battery feed from fuse 14 of the passenger compartment fuse box (C0589) on a P wire. Illumination of the lamp is controlled by the ABS ECU (C0501) via the CAN-BUS on YN (Low) and YB (High) wires. zThe Hill Descent Control (HDC) information lamp receives a constant battery feed from fuse 14 of the passenger compartment fuse box (C0589) on a P wire. Illumination of the lamp is controlled by the ABS ECU (C0501) via the CAN-BUS on YN (Low) and YB (High) wires.
DESCRIPTION AND OPERATION FREELANDER 03MY 4.127 zThe handbrake/low brake fluid warning lamp receives a constant battery feed from fuse 14 of the passenger compartment fuse box (C0589) on a P wire. Illumination of the lamp is controlled by the handbrake switch (C0091) on a BW wire. When the handbrake is applied, the switch contacts close and an earth path is created, illuminating the lamp. Illumination of the lamp is also controlled by the ABS ECU (C0501) via the CAN BUS on YN (Low) and YB (High) wires. If the warning lamp is illuminated while the handbrake is released, urgent attention is required to the braking system. zThe low oil pressure warning lamp receives an ignition feed from fuse 8 of the passenger compartment fuse box (C0589) on a G wire. Illumination of the lamp is controlled by the oil pressure switch (C0187) on a WN wire (WN then NG on Td4 vehicles). zThe ignition/no charge warning lamp receives an ignition feed from fuse 8 of the passenger compartment fuse box (C0589) on a G wire. Illumination of the lamp is controlled by the ECM (C0331) on Td4 vehicles, and the alternator (C0053) on K1.8 and KV6 vehicles. zThe anti-theft alarm LED receives a constant battery feed from fuse 14 of the passenger compartment fuse box (C0589) on a P wire. Illumination of the lamp is controlled by the CCU (C0592) via the passenger compartment fuse box (C0589) on a UK wire. zThe overspeed warning lamp receives a constant battery feed from fuse 14 of the passenger compartment fuse box (C0589) on a P wire. Illumination of the lamp is controlled by the ABS ECU (C0501) via the CAN-BUS on YN (Low) and YB (High) wires. NOTE: The overspeed warning lamp is not operational in all markets. zThe cruise control warning lamp receives a constant battery feed from fuse 14 of the passenger compartment fuse box (C0589) on a P wire. On KV6 vehicles, illumination of the warning lamp is controlled by the cruise control ECU (C0239) on a WU wire. On Td4 vehicles, illumination of the warning lamp is controlled by the cruise control interface unit (C1959) via the CAN-BUS on YN (Low) and YB (High) wires. NOTE: The list of CAN-BUS connections is by no means exhaustive. For more details, refer to the Communication Databuses and Instruments sections of the System Description and Operation Workshop manual.
DESCRIPTION AND OPERATION 4.128FREELANDER 03MY Speedometer The speedometer is driven by a CAN message from the Engine Control Module (ECM) on YN (Low) and YB (High) wires. For more information on speedometer operation, refer to the Instruments section of the System Description and Operation Workshop manual. Tachometer The tachometer is driven by a CAN message from the Engine Control Module (ECM) on YN (Low) and YB (High) wires. For more information on tachometer operation, refer to the Instruments section of the System Description and Operation Workshop manual. Engine Coolant Temperature Gauge The Engine Coolant Temperature (ECT) gauge is driven by a CAN message from the Engine Control Module (ECM) on YN (Low) and YB (High) wires. For more information on ECT gauge operation, refer to the Instruments section of the System Description and Operation Workshop manual. Fuel Gauge The instrument pack (C0230) provides a feed to the fuel tank sender (C0114) on a GB wire. The sender is located within the fuel tank and is earthed on a B wire. The sender is a float operated rotary potentiometer, which provides a variable resistance to earth for the output from the instrument pack. For more information on fuel gauge operation, refer to the Instruments section of the System Description and Operation Workshop manual.
DESCRIPTION AND OPERATION FREELANDER 03MY 4.129 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 4.130FREELANDER 03MY 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 – LOW LINE. + AUDIO SYSTEM – MID LINE. + 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 FREELANDER 03MY 4.131 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 passenger 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 10 of the passenger compartment fuse box (C0588) on a PS wire. Fuse 10 (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 4.132FREELANDER 03MY 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 13 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 13 to flow across the relay switch contacts (C0586) to the accessory socket (C0350) on a PN wire. The accessory socket (C0350) is earthed on a B wire.
DESCRIPTION AND OPERATION FREELANDER 03MY 4.133 AUDIO SYSTEM – LOW LINE DESCRIPTION General The low line audio system features a centre console mounted radio/cassette player, which will operate when the ignition switch is in the auxiliary position. Five door vehicles have a mid-range speaker mounted behind each front and rear door trim casing , in addition to high range speakers mounted behind the door mirror trim casings. Four door vehicles have mid-range speakers mounted behind each front door trim casing, and both rear passenger compartment trim casings. 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 9 of the passenger compartment fuse box (C0587) by an NW wire. Fuse 9 (C0585) provides a constant battery feed to the head unit (C0098) on a P wire. The head unit uses this feed to power its memory circuits, and is earthed (C0098) on a B wire. Fuse 9 (C0585) also provides a feed to the CD autochanger (if fitted) (C0941) on a P 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 11 of the passenger compartment fuse box (C0588) on a PS wire. Fuse 11 (C0580) provides an auxiliary ignition feed to the head unit (C0098) on an LGW wire.
DESCRIPTION AND OPERATION 4.134FREELANDER 03MY Speakers The head unit (C0098) is connected to the speakers as follows: NOTE: The LH front and RH front mid-range and high range speakers share the same connector numbers as they utilise the same door harness. The same is true of the LH and RH rear mid-range speakers. 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 (C0098) 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 (C0098) 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 (C0098) 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 (C0680) is provided a negative signal by the head unit (C0530) on a YB then OB wire. zA positive signal is provided by the head unit to the RH rear mid-range speaker (C1577) on a UK wire. The RH rear mid-range speaker (C1577) is provided a negative signal by the head unit (C0098) on a UB wire. zA positive signal is provided by the head unit to the LH rear mid-range speaker (C1577) on an SK then UK wire. The LH rear mid-range speaker (C1577) is provided a negative signal by the head unit (C0098) 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. CD Autochanger The CD autochanger (C0941) is provided a constant battery feed via fuse 9 of the passenger compartment fuse box (C0585) on a P wire. The autochanger (C0941) is earthed on a B wire.
DESCRIPTION AND OPERATION FREELANDER 03MY 4.135 The CD autochanger (C0941) provides the following signals to the head unit (C1354): zA LH speaker positive signal on a KB wire. zA LH speaker negative signal on a BK wire. zA RH speaker positive signal on a YB wire. zA RH speaker negative signal on a BY wire. zAn earth on a B wire. There is also a communications line between the CD autochanger (C0941) and head unit (C0098) on a WRY wire.