Land Rover Freelander 2003my Electrical Library Rover Manual
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Page 121
DESCRIPTION AND OPERATION 4.96FREELANDER 03MY HEATED FRONT SCREEN (HFS) DESCRIPTION General The Heated Front Screen (HFS) consists of two heater elements which are embedded into the LH and RH sides of the windscreen. Two connectors at the base of the windscreen provide the power feed and an integral earth for each of the heater elements. Operation of the HFS is controlled by the CCU and a non latching switch on the centre console. The switch contains an LED which illuminates while the HFS is on. The...
Page 122
DESCRIPTION AND OPERATION FREELANDER 03MY 4.97 HFS Switch The CCU (C0429) monitors the condition of the HFS switch (C0131) by providing a feed on a KO wire. When the switch is pressed the CCU senses the momentary earth path, and (providing all other conditions are met) energises the HFS relay. The switch (C0131) is earthed on a B wire. HFS Elements The energised HFS relay (C0994) provides a feed to fuse A and fuse B (C1860) on a pair of NW wires. Fuse A (C1860) provides a feed to the LH screen...
Page 123
DESCRIPTION AND OPERATION 4.98FREELANDER 03MY WIPERS AND WASHERS DESCRIPTION Front Wipers Operation of the windscreen wipers is controlled by the Central Control Unit (CCU). There are four modes of wiper operation. These are selectable from the RH column stalk when the ignition switch is in the ignition position. NOTE: Windscreen wiper operation is temporarily suspended while the engine in cranking. The modes of windscreen wiper operation are: zSlow wipe. zFast wipe. zIntermittent wipe. zFlick wipe....
Page 124
DESCRIPTION AND OPERATION FREELANDER 03MY 4.99 Washer The rear washer is operated by pressing the non-latching switch mounted on the RH side of the instrument pack. The washer will operate until the switch is released. The rear wiper will start operating at slow speed as soon as the washer switch is depressed, and will continue to operate at slow speed for approximately 6 seconds after the switch is released. OPERATION Front General Feed from the positive battery terminal (C0192) is supplied to...
Page 125
DESCRIPTION AND OPERATION 4.100FREELANDER 03MY Fast Wipe Fuse 3 of the passenger compartment fuse box (C0580) provides an ignition feed to the wiper switch (C0035) on a G wire. When the wiper switch is moved to the fast wipe position, current flows across the switch (C0035) to the wiper motor (C0030) on a RG wire. Current flows across the motor fast speed windings and is earthed (C0030) on a B wire. Park Fuse 3 of the passenger compartment fuse box (C0582) provides an ignition feed to the wiper...
Page 126
DESCRIPTION AND OPERATION FREELANDER 03MY 4.101 Wiper The CCU (C0592) monitors the condition of the wiper switch (C0079) by providing a feed via the passenger compartment fuse box (C0589) on an RG wire. When the switch is pressed, current flows across the switch contacts (C0079) to earth on a B wire. When the CCU registers this earth, it provides a feed to the rear wiper relay (C0124) on a YB wire. The rear wiper relay contains two independent relays; a forward relay and a reverse relay. The...
Page 127
DESCRIPTION AND OPERATION 4.102FREELANDER 03MY When the CCU receives this feed, it initiates its programmed wash/wipe function, and provides a feed to the rear wiper relay (C0124) on a YB wire. The rear wiper relay operates the rear wiper as described above. The rear wiper relay (C0124) also provides a feed to the washer pump relay (C0936) on a GR wire. This energises the washer pump relay, which is earthed on a B wire. The energised washer pump relay (C0936) provides a feed to the washer pump...
Page 128
DESCRIPTION AND OPERATION FREELANDER 03MY 4.103 BRAKE AND REVERSE LAMPS DESCRIPTION Brake Lamps Three brake lamps are fitted to the rear of the vehicle. Two brake lamps are mounted above the rear bumper, and share a dual filament bulb with the tail lamps. A third, high mounted tail lamp is housed within a casting mounted on the tail door above the spare wheel. NOTE: NAS vehicles are also fitted with a second pair of brake lamp bulbs. These operate in conjunction with the normal brake lamp bulbs. These...
Page 129
DESCRIPTION AND OPERATION 4.104FREELANDER 03MY Fuse 2 (C0580) provides an ignition feed to the following on G wires: zThe reverse lamp relay (C0935) (automatic transmission vehicles only). zThe brake pedal switch (C0075). Fuse 2 (C0581) also provides an ignition feed to the reverse lamp switch (C0163) (K1.8 and Td4 manual transmission vehicles only) on a G wire. Brake Lamps The brake pedal switch (C0075) is provided an ignition feed from fuse 2 of the passenger compartment fuse box (C0580) on a G wire....
Page 130
DESCRIPTION AND OPERATION FREELANDER 03MY 4.105 Automatic Transmission Fuse 2 of the passenger compartment fuse box (C0580) provides an ignition feed to the reverse lamp relay (C0935) on a G wire. When reverse gear is selected, the Electronic Automatic Transmission (EAT) ECU (C0932) provides a feed to the reverse lamp relay coil (C0935) on an NG wire. The relay coil (C0935) is earthed on a B wire. The energised reverse lamp relay (C0935) is now able to provide a feed to the RH (C0455) and LH (C0472)...