Land Rover Freelander 2003my Electrical Library Rover Manual
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DESCRIPTION AND OPERATION 4.116FREELANDER 03MY DIRECTION INDICATOR/HAZARD WARNING LAMPS DESCRIPTION General The direction indicator lamps are controlled via the LH column switch. The lamps will only operate when the ignition switch is in the ignition position. The hazard warning lamps are switched on and off by pressing the hazard warning switch mounted on the centre console. Hazard warning lamp operation is not dependant upon ignition switch position. OPERATION Direction Indicator Lamps Feed from the positive battery terminal (C0192) is supplied to fusible link 3 of the engine compartment fuse box (C0632) on an R wire. Fusible link 3 (C0571) is connected to the ignition switch (C0028) by an N wire. When the ignition switch is turned to the ignition position, current flows across the switch (C0028) to fuse 8 of the passenger compartment fuse box (C0588) on a G wire. Fuse 8 (C0580) provides an ignition feed to the hazard warning switch (C0096) on a G wire. Current flows across the switch (C0096) to the flasher unit (C0580) on an LGK wire. The flasher unit is located in the passenger compartment fuse box and is earthed (C0587) on a B wire. The energised flasher unit (C0580) provides a feed to the indicator switch (C0036) on a LGN wire. LH Turn When the direction indicator switch is moved to the LH turn position, current flows across the switch (C0036) to the following: zThe LH front direction indicator lamp (C0009) on a GR wire. zThe LH side repeater (C0013) on a GR wire. zThe LH rear direction indicator lamp (C0121) on a GR wire. zThe instrument pack (C0233) on a GR wire. zThe trailer pick-up (C0499) on a GR then Y wire. All are earthed on B wires, except the trailer pick-up (W then B wire).
DESCRIPTION AND OPERATION FREELANDER 03MY 4.117 RH Turn When the direction indicator switch is moved to the RH turn position, current flows across the switch (C0036) to the following: zThe RH front direction indicator lamp (C0011) on a GW wire. zThe RH side repeater (C0012) on a GW wire. zThe RH rear direction indicator lamp (C0125) on a GW wire. zThe instrument pack (C0233) on a GW wire. zThe trailer pick-up (C0499) on a GW then G wire. All are earthed on B wires, except the trailer pick-up (W then B wire). Hazard Warning Lamps Feed from the positive battery terminal (C0192) is supplied to fusible link 4 and fuse 7 of the engine compartment fuse box (C0632) on an R wire. Fusible link 4 (C0574) provides a constant battery feed to the Central Control Unit (CCU) (C0593) and fuse 14 of the passenger compartment fuse box (C0587) on an NW wire. Fuse 14 (C0589) is connected to the hazard warning lamp housed within the instrument pack (C0230) by a P wire. Illumination of the hazard warning lamp (C0233) is controlled by the hazard warning switch (C0096) on an SY wire. Fuse 7 of the engine compartment fuse box (C0576) provides a constant battery feed to the hazard warning switch (C0096) on an NO wire. When the hazard warning switch is pressed, current flows across the switch (C0096) to the flasher unit (C0580) on an LGK wire. The flasher unit (C0587) is earthed on a B wire. The energised flasher unit (C0580) returns a feed back to the hazard warning switch (C0096) on an LGN wire. The hazard warning switch (C0096) is now able to provide feeds to both the LH and RH direction indicator circuits simultaneously on GR and GW wires respectively. Fuse 7 of the engine compartment fuse box (C0576) also provides a constant battery feed to the hazard warning relay (C0581) on an NO wire. The earth path for the hazard warning relay is controlled by the CCU (C0593). For more details on hazard warning relay and CCU operation, refer to the Electrics section of the System Description and Operation Workshop manual, and the Anti-theft Alarm and Central Door Locking (CDL) section of this manual. + ANTI-THEFT ALARM AND CENTRAL DOOR LOCKING (CDL).
DESCRIPTION AND OPERATION 4.118FREELANDER 03MY INTERIOR LAMPS DESCRIPTION 3 Door The interior lamp is mounted in the centre of the headlining, and is controlled by the Central Control Unit (CCU) via a three position switch. With the switch in the centre position, the lamp will illuminate as soon as either door is opened. The interior lamp will fade out when any of the following occur: zApproximately 15 seconds after the last door is closed. zWhen the ignition switch is turned to the ignition position. zWhen the vehicle is locked using either the remote handset or the key. zAfter approximately 10 minutes if a door is left open. With the switch in the forward ON position, the lamp will remain illuminated irrespective of door status. With the switch in the rear OFF position, the lamp will remain extinguished irrespective of door status. Additional interior illumination is provided by a glove box lamp, and a load space lamp. The load space lamp will illuminate when the tail door is opened. 5 Door The front and rear interior lamps are mounted in the headlining, and are controlled by the Central Control Unit (CCU). Both interior lamps will illuminate when any door is opened. The lamps will fade out when any of the following occur: zApproximately 15 seconds after the last door is closed. zWhen the ignition switch is turned to the ignition position. zWhen the vehicle is locked using either the remote handset or the key. zAfter approximately 10 minutes if a door is left open. The front interior lamp can also be switched on and off manually by pressing the central switch mounted on the lamp unit. Also incorporated into the front interior lamp unit are two map reading lamps. These can be switched on and off by pressing the appropriate switch on either side of the lamp unit. The rear interior lamp can also be switched on and off manually, by pressing the switch mounted on the rear lamp assembly. Additional interior illumination is provided by a glove box lamp, and a load space lamp. The load space lamp will illuminate when the tail door is opened.
DESCRIPTION AND OPERATION FREELANDER 03MY 4.119 OPERATION General Feed from the positive battery terminal (C0192) is supplied to fusible link 3, fusible link 4 and fusible link 12 of the engine compartment fuse box (C0632) on an R wire. Fusible link 12 (C0575) provides a constant battery feed to the lighting switch (C0041) on an RN wire. Fusible link 4 (C0574) provides a constant battery feed to fuse 14 of the passenger compartment fuse box (C0587) on an NW wire. Fusible link 3 (C0571) is connected to the ignition switch (C0028) by an N wire. When the ignition switch is turned to the ignition position, current flows across the switch (C0028) to fuse 8 of the passenger compartment fuse box (C0588) on a G wire. Fuse 8 provides an ignition feed to the Central Control Unit (CCU) (C0593), which is mounted directly to the rear of the passenger compartment fuse box. Central Control Unit (CCU) The CCU monitors the condition of the door switches as follows: zThe driver door switch (C0441) on a PS then PW wire. zThe front passenger door switch (C0441) on a PW wire. zThe LH rear passenger door switch (C0442) on a PW wire (5 door vehicles only). zThe RH rear passenger door switch (C0442) on a PW wire (5 door vehicles only). NOTE: Both front door switches and both rear door switches have the same connector numbers as they utilise the same harnesss. All the above are normally open switches. If a door is opened, the switch contacts close and an earth path is created. When the CCU senses an earth path, it illuminates the interior lamp(s). All the above are earthed on B wires. The CCU (C0428) also monitors the condition of the tail door switch (C0616) on a BO wire. When the tail door is opened, an earth path is created. The CCU will now illuminate the load space lamp (see Load Space Lamp). For more information on CCU operation, refer to the Control Units section of the System Description and Operation Workshop manual.
DESCRIPTION AND OPERATION 4.120FREELANDER 03MY Illumination Relay Vehicles fitted with an instrument dimmer switch are also fitted with an illumination relay. Fuse 14 of the passenger compartment fuse box (C0589) provides a constant battery feed to the illumination relay (C1976) on a pair of P wires. The earth path for the relay coil (C1976) is controlled by the CCU (C0592) on a BR wire. The CCU (C0593) provides an earth path for the relay coil when it receives a key in signal from the transponder coil (C0049) on a PW wire. The energised illumination relay (C1976) provides a feed to the automatic transmission selector (C0244) on an NR wire. NOTE: If an instrument dimmer is not fitted, the feed to the automatic transmission selector (C0244) is provided by fuse 4 of the engine compartment fuse box via header 286. For more information on instrument dimmer operation, refer to the Interior Illumination section of this manual. + INTERIOR ILLUMINATION. Interior Lamp(s) 3 Door Fuse 14 of the passenger compartment fuse box (C0580) provides a constant battery feed to the interior lamp (C0357) on a P wire. When the interior lamp switch is in the normal (central) position, the earth path for the lamp (C0357) is controlled by the CCU (C0593) via the passenger compartment fuse box (C0580) on a PW wire. The CCU will illuminate the interior lamp if it senses any of the doors are open (see Central Control Unit – CCU). When the switch is moved to the ON position, current flows across the bulb to earth via the lamp fixings. This results in the lamp being illuminated irrespective of the condition of the door switches. When the switch is moved to the OFF position, the circuit is broken. This results in the lamp being extinguished irrespective of the condition of the door switches. 5 Door Fuse 14 of the passenger compartment fuse box (C0580) provides a constant battery feed to the front interior lamp (C0355) on a P wire. When the interior lamp switch is in the normal position, the earth path for the lamp (C0355) is controlled by the CCU (C0593) via the passenger compartment fuse box (C0580) on a PW wire. The CCU will illuminate the interior lamp if it senses any of the doors are open (see Central Control Unit – CCU). When the switch is pressed, current flows across the bulb (C0355) to earth on a B wire. This results in the lamp being illuminated irrespective of the condition of the door switches.
DESCRIPTION AND OPERATION FREELANDER 03MY 4.121 Fuse 14 (C0580) also provides a constant battery feed to the rear interior lamp (C0356) on a P wire. When the interior lamp switch is in the normal position, the earth path for the lamp (C0356) is controlled by the CCU (C0593) via the passenger compartment fuse box (C0580) on a PW wire. The CCU will illuminate the interior lamp if it senses any of the doors are open (see Central Control Unit – CCU). When the switch is pressed, current flows across the bulb (C0356) to earth on a B wire. This results in the lamp being illuminated irrespective of the condition of the door switches. Map Reading Lamps (5 Door Vehicles Only) Fuse 14 of the passenger compartment fuse box (C0580) provides a constant battery feed to both the LH and RH map reading lamp switches (C0355) on a P wire. When either of the switches are pressed, current is able to flow across the switch to the map reading lamp bulb. Both bulbs are earthed via the lamp fixings. Load Space Lamp Fuse 14 of the passenger compartment fuse box (C0583) provides a constant battery feed to the load space lamp (C0119) on a P wire. The earth path for the load space lamp (C0120) is controlled by the CCU (C0593) via the passenger compartment fuse box (C0580) on a PW wire. The CCU will illuminate the interior lamp if it senses the tail door is open (see Central Control Unit – CCU). Glove Box Lamp Fusible link 12 of the engine compartment fuse box (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 to fuse 16 of the passenger compartment fuse box (C0587) on an R wire. Fuse 16 (C0589) provides a feed to the glove box lamp (C0227) on an RO wire. The earth path for the glove box lamp (C0235) is controlled by the glove box switch (C0238) on a BR wire. When the glove box is opened, the switch closes and an earth path is created via the passenger compartment fuse box (C0587) on a B wire. Vanity Mirrors Fuse 14 of the passenger compartment fuse box (C0580) provides a constant battery feed to the LH (C0760 on 3 door vehicles, C0737 on 5 door vehicles) and RH (C0736) vanity mirror lamps on P wires. The lamps are earthed on B wires.
DESCRIPTION AND OPERATION 4.122FREELANDER 03MY INTERIOR ILLUMINATION DESCRIPTION General Interior illumination provides background lighting for the instrument pack and control switch graphics. Interior illumination operates when the lighting switch is turned to the side or headlamp position, irrespective of ignition switch position. OPERATION General Feed from the positive battery terminal (C0192) is supplied to fusible link 12 of the engine compartment fuse box (C0632) on an R wire. Fusible link 12 (C0575) is connected to the lighting switch (C0041) by 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 (C0582) provides a feed to the following on RO wires: zThe cruise control master switch (C0749). zThe hazard warning switch (C0096). zThe Heated Rear Window (HRW) switch (C0072). zThe front LH window switch (C0321). zThe front RH window switch (C0242). zThe Hill Descent Control (HDC) switch (C0878). zThe tail door window switch (C0354). zThe Central Door Locking (CDL) switch (C0328). zThe LH seat switch (C0249). zThe RH seat switch (C0250). zThe LH rear window switch (C0264) (5 door vehicles only). zThe RH rear window switch (C0263) (5 door vehicles only). zThe sunroof switch (C0363). zThe cigar lighter (C0074). zThe radio/cassette player (C0098). zThe radio/cassette player (C0921) (NAS vehicles only). zThe heater controls (C0051). zThe air conditioning (a/c) switch pack (C0275). zThe fresh/recirculated air switch (C0750). zThe Heated Front Screen (HFS) switch (C0131). All the above are earthed on B wires.
DESCRIPTION AND OPERATION FREELANDER 03MY 4.123 Fuse 16 (C0589) also provides a feed to the following on RO wires: zThe instrument pack (C0233). zThe rear fog lamp switch (C0064). zThe radio remote display/clock (C0241). zThe rear screen washer switch (C0073). zThe rear screen wiper switch (C0079). All the above are earthed on B wires. Instrument Dimmer (Canadian Vehicles Only) The instrument dimmer is a rotary potentiometer mounted on the fascia below the instrument pack. When the lighting switch is turned to the side or headlamp position, current flows across the switch (C0041) to fuse C (C1875) on an RW wire. Fuse C (C1875) is connected to the instrument dimmer (C0201) by an RB wire. The dimmer (C0201) provides a feed to all the switches and controls mentioned previously on RO wires. The switch (C0201) also contains a tell-tale LED, which is earthed on a B wire.
DESCRIPTION AND OPERATION 4.124FREELANDER 03MY INSTRUMENTS DESCRIPTION General The instrument pack is a totally electronic controlled device receiving electrical signals from sender units, and CAN messages from the Engine Control Module (ECM), the ABS ECU, the Electronic Automatic Transmission Electronic Control Unit (EAT ECU) and the cruise control interface unit (Td4 vehicles only). The instrument pack transposes these via a microprocessor into analogue gauge read out and warning lamp illumination. The warning lamps illuminate in one of four colours, which indicate the level of importance of the warning as follows: zRed = Warning. zYellow = Caution. zGreen = System operative. zBlue = Headlamp main beam operative. For a detailed description of the instrument pack, refer to the Instruments section of the System Description and Operation Workshop manual. OPERATION General Feed from the positive battery terminal (C0192) is supplied to the following (C0632) on an R wire: zFuse 7 zFusible link 12 zFusible link 9 zFusible link 4 zFusible link 3 Fuse 7 (C0576) provides a constant battery feed to the hazard warning relay located in the passenger compartment fuse box (C0581) on an NO wire. Fusible link 12 (C0575) provides a constant battery feed to the lighting switch (C0041) on an RN wire. Fusible link 9 (C0570) is connected to the main/dipped beam relay and fuse 22 of the passenger compartment fuse box (C0587) by an N wire. Fuse 22 provides a constant battery feed to the rear fog lamp relay, which is also located in the passenger compartment fuse box.
DESCRIPTION AND OPERATION FREELANDER 03MY 4.125 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 instrument pack ECU (C0230) on a P wire. Fusible link 3 (C0571) is connected to the ignition switch (C0028) by an N wire. When the ignition switch is turned to the ignition position, current flows across the switch (C0028) to fuse 8 of the passenger compartment fuse box (C0588) on a G wire. Fuse 8 (C0589) provides an ignition feed to the instrument pack (C0233) on a G wire.