Land Rover Freelander 2004my Electrical Library Rover Manual
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DESCRIPTION AND OPERATION 4.12FREELANDER 04MY WINDOWS – 3 DOOR DESCRIPTION General The front electrically operated windows are opened and closed by using the non-latching switches mounted on each door trim casing. Both windows can also be controlled from the drivers door switch pack. The window lift system is controlled by the window lift ECU, which is located beneath the centre console, and will only operate when the ignition switch is in the ignition position. NOTE: When the ignition is switched off, the windows will still operate for approximately 40 seconds. This time out sequence will cease as soon as any of the doors are opened. This feature is not active on the tail door window. OPERATION General Feed from the positive battery terminal is supplied to fusible link 3 and fusible link 4 of the engine compartment fuse box (C0632) on an R wire. Fusible link 4 (C0574) provides a constant battery feed to the following on an NW wire: zTime out relay. zCentral Control Unit (CCU). zFuse 35. All are located in the passenger compartment fuse box (C0587). 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 18 of the passenger compartment fuse box (C0588) on a G wire. Fuse 18 provides an ignition feed to the CCU (C0593), which is mounted directly onto the rear of the passenger compartment fuse box. Time Out Relay Operation of the time out relay is controlled by the CCU (C0592). When energised, the time out relay provides a feed to fuse 8 and fuse 29, which are also located in the passenger compartment fuse box. Fuse 8 (C0585) provides a feed to the window lift ECU (C0341) on an SO wire. Fuse 29 (C0580) provides a feed to the following on RB wires: zThe drivers door window switch (C0242). zThe passenger door window switch (C0087). zThe drivers door mounted passenger window switch (C0321).
DESCRIPTION AND OPERATION FREELANDER 04MY 4.13 Drivers Window If a request is made to lower the drivers door window, current flows across the window switch (C0242) to the window lift ECU (C0341) on an OU then OY wire. The window lift ECU (C0341) is now able to provide a feed to the window lift motor (C0326) on an R wire. Current flows through the motor windings (C0326) and back to the window lift ECU (C0341) on a U wire. An earth path is provided for the window lift motor by the window lift ECU (C0341) on a B wire. If a request is made to raise the drivers door window, current flows across the window switch (C0242) to the window lift ECU (C0341) on an OR the OG wire. The window lift ECU (C0341) is now able to provide a feed to the window lift motor (C0326) on a U wire, Current flows through the motor windings (C0326) and back to the window lift ECU (C0341) on an R wire. An earth path is provided for the window lift motor by the window lift ECU (C0341) on a B wire. Passenger Door Window If a request is made to lower the passenger door window from the passenger door switch, current flows across the switch (C0087) to the FR Down relay (C0586) on a U then OU wire. The FR Down relay is located in the passenger compartment fuse box and is earthed (C0586) on a B wire. The energised FR Down relay (C0586) provides a battery feed from fuse 35 of the passenger compartment fuse box to the window lift motor (C0326) on an OR then R wire. Current flows through the motor windings (C0326) and is earthed via the de-energised FR Up relay (C0586) on a U then OU wire. If a request is made to raise the passenger door window from the passenger door switch, current flows across the switch (C0087) to the FR Up relay (C0586) on an R then OR wire. The FR Up relay is located in the passenger compartment fuse box and is earthed (C0586) on a B wire. The energised FR Up relay (C0586) provides a battery feed from fuse 35 of the passenger compartment fuse box to the window lift motor (C0326) on an OU then U wire. Current flows through the motor windings (C0326) and is earthed via the de-energised FR Down relay (C0586) on an R then OR wire. NOTE: Operation of the passenger door window is exactly the same as previous when using the drivers door mounted switch. Use the Passenger Door Window description, replacing C0087 with C0321.
DESCRIPTION AND OPERATION 4.14FREELANDER 04MY WINDOWS – 5 DOOR DESCRIPTION General The front and rear electrically operated windows are opened and closed by using the non- latching switches mounted on each door trim casing. All windows can also be controlled from the drivers door switch pack when the ignition switch is in the ignition position. The drivers door switch pack also contains the rear window inhibit switches. NOTE: When the ignition is switched off, the windows will still operate for approximately 40 seconds. This time out sequence will cease as soon as any of the doors are opened. This feature is not active on the tail door window. The window lift system is controlled by the window lift ECU, which is located within the drivers door switch pack. OPERATION General Feed from the positive battery terminal (C0192) is supplied to fusible link 3 and fusible link 4 of the engine compartment fuse box (C0632) on an R wire. Fusible link 4 (C0574) provides a constant battery feed to the following on an NW wire: zThe time out relay. zFuse 32. zFuse 33. zFuse 35. zThe Central Control Unit (CCU). All are located in the engine compartment fuse box (C0587). 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 18 of the passenger compartment fuse box (C0588) on a G wire. Fuse 18 provides an ignition feed to the CCU (C0593).
DESCRIPTION AND OPERATION FREELANDER 04MY 4.15 Time Out Relay The earth path for the time out relay coil is controlled by the CCU (C0592). When the CCU (C0593) receives an ignition on feed from fuse 18 of the passenger compartment fuse box, it will energise the time out relay. The energised time out relay provides a feed to fuse 8 and fuse 29, which are also located in the passenger compartment fuse box. If the ignition is switched off, the CCU withdraws the earth path for the timer relay coil after approximately 40 seconds. Similarly, if any of the doors are opened, the CCU will also remove the earth path for the timer relay coil. Drivers Door Switch Pack Operation of all four windows can be controlled by the drivers door switch pack. Fuse 29 of the passenger compartment fuse box (C0580) provides a feed to the drivers door switch pack (C0343) on an RB wire. Fuse 8 of the passenger compartment fuse box (C0585) provides a feed to the window lift ECU (C0081) on an SO wire. Both feeds are controlled by the time out relay. Drivers Door Window If a request is made to lower the drivers door window, a feed from fuse 8 of the passenger compartment fuse box (C0585) is provided to the window lift motor (C0326) by the window lift ECU (C0081) on an R wire. Current flow across the motor windings (C0326) and back to the window lift ECU (C0081) on a U wire. The drivers door switch pack (C0081) provides an earth path for the motor and the ECU on a B wire. If a request is made to raise the drivers door window, a feed from fuse 8 of the passenger compartment fuse box (C0585) is provided to the window lift motor (C0326) by the window lift ECU (C0081) on a U wire. Current flow across the motor windings (C0326) and back to the window lift ECU (C0081) on an R wire. The drivers door switch pack (C0081) provides an earth path for the motor and the ECU on a B wire. Front Passenger Window If a request is made to lower the front passenger window from the drivers door switch pack, a feed from fuse 29 of the passenger compartment fuse box (C0580) is provided to the front down relay (C0586) on an OU wire. The relay is located in the passenger compartment fuse box and is earthed (C0586) on a B wire. The energised front down relay (C0586) provides a battery feed from fuse 35 of the passenger compartment fuse box to the window lift motor (C0326) on an OR then R wire. Current flows across the motor windings (C0326) and back to the passenger compartment fuse box (C0586) on a U then OU wire. An earth path is provided for the motor via the de- energised front up relay on a B wire.
DESCRIPTION AND OPERATION 4.16FREELANDER 04MY If a request is made to raise the front passenger window from the drivers door switch pack, a feed from fuse 29 of the passenger compartment fuse box (C0580) is provided to the front up relay (C0586) on an OR wire. The relay is located in the passenger compartment fuse box and is earthed (C0586) on a B wire. The energised front up relay (C0586) provides a battery feed from fuse 35 of the passenger compartment fuse box to the window lift motor (C0326) on an OU then U wire. Current flows across the motor windings (C0326) and back to the passenger compartment fuse box (C0586) on an R then OR wire. An earth path is provided for the motor via the de-energised front down relay on a B wire. RH Rear Window If a request is made to lower the RH rear window from the drivers door switch pack, a feed from fuse 29 of the passenger compartment fuse box (C0580) is provided to the RR Down relay (C0583) on a GU wire. The relay is located in the passenger compartment fuse box and is earthed (C0586) on a B wire. The energised RR Down relay (C0583) provides a battery feed from fuse 33 of the passenger compartment fuse box to the window lift motor (C0304) on a U wire. Current flows across the motor windings (C0304) and back to the passenger compartment fuse box (C0583) on an R wire. An earth path is provided for the motor via the de-energised RR Up relay on a B wire. If a request is made to raise the RH rear window from the drivers door switch pack, a feed from fuse 29 of the passenger compartment fuse box (C0580) is provided to the RR Up relay (C0583) on a GR wire. The relay is located in the passenger compartment fuse box and is earthed (C0586) on a B wire. The energised RR Up relay (C0583) provides a battery feed from fuse 33 of the passenger compartment fuse box to the window lift motor (C0304) on an R wire. Current flows across the motor windings (C0304) and back to the passenger compartment fuse box (C0583) on a U wire. An earth path is provided for the motor via the de-energised RR Down relay on a B wire.
DESCRIPTION AND OPERATION FREELANDER 04MY 4.17 LH Rear Window If a request is made to lower the LH rear window from the drivers door switch pack, a feed from fuse 29 of the passenger compartment fuse box (C0580) is provided to the RL Down relay (C2624) on a WU wire. The relay is located in the passenger compartment fuse box and is earthed (C0587) on a B wire. The energised RL Down relay (C2625) provides a battery feed from fuse 32 of the passenger compartment fuse box to the window lift motor (C0304) on a U wire. Current flows across the motor windings (C0304) and back to the passenger compartment fuse box (C2625) on an R wire. An earth path is provided for the motor via the de-energised RL Up relay on a B wire. If a request is made to raise the LH rear window from the drivers door switch pack, a feed from fuse 29 of the passenger compartment fuse box (C0580) is provided to the RL Up relay (C2624) on a WR wire. The relay is located in the passenger compartment fuse box and is earthed (C0587) on a B wire. The energised RL Up relay (C2625) provides a battery feed from fuse 32 of the passenger compartment fuse box to the window lift motor (C0304) on an R wire. Current flows across the motor windings (C0304) and back to the passenger compartment fuse box (C2625) on a U wire. An earth path is provided for the motor via the de-energised RL Down relay on a B wire. NOTE: The RH and LH rear window lift motors have the same connector numbers as they utilise the same harness. Rear Window Inhibit Operation of the rear door mounted window switches is controlled by the rear window inhibit switch. Fuse 29 of the passenger compartment fuse box (C0580) provides a feed to the rear window inhibit switch (C0343) on an RB wire. When the switch is in the unlock position, current flows across the switch (C0343) to the LH and RH rear door mounted switches (C0732) on a pair of SG wires. NOTE: The RH and LH rear door mounted window switches have the same connector numbers as they utilise the same harness.
DESCRIPTION AND OPERATION 4.18FREELANDER 04MY Passenger Door Window Switch Fuse 29 of the passenger compartment fuse box (C0580) provides a feed to the passenger door window switch (C0087) on an RB wire. If a request is made to lower the front passenger window, current flows across the switch (C0087) to the front down relay (C0586) on a U then OU wire. The relay is located in the passenger compartment fuse box and is earthed (C0586) on a B wire. Operation of the front passenger window is then as described previously in the Front Passenger Window section. If a request is made to raise the front passenger window, current flows across the switch (C0087) to the front up relay (C0586) on an OR wire. The relay is located in the passenger compartment fuse box and is earthed (C0586) on a B wire. Operation of the front passenger window is then as described previously in the Front Passenger Window section. RH Rear Door Window Switch If a request is made to lower the RH rear window, current flows across the switch (C0732) to the RR Down relay (C0583) on a WU then GU wire. The relay is located in the passenger compartment fuse box and is earthed (C0586) on a B wire. Operation of the RH rear window is then as described previously in the RH Rear Window section. If a request is made to raise the RH rear window, current flows across the switch (C0732) to the RR Up relay (C0583) on a WR then GR wire. The relay is located in the passenger compartment fuse box and is earthed (C0586) on a B wire. Operation of the RH rear window is then as described previously in the RH Rear Window section. LH Rear Door Window Switch If a request is made to lower the LH rear window, current flows across the switch (C0732) to the RL Down relay (C2624) on a WU wire. The relay is located in the passenger compartment fuse box and is earthed (C0587) on a B wire. Operation of the LH rear window is then as described previously in the LH Rear Window section. If a request is made to raise the LH rear window, current flows across the switch (C0732) to the RL Up relay (C2624) on a WR wire. The relay is located in the passenger compartment fuse box and is earthed (C0587) on a B wire. Operation of the LH rear window is then as described previously in the LH Rear Window section.
DESCRIPTION AND OPERATION FREELANDER 04MY 4.19 WINDOWS – TAIL DOOR DESCRIPTION General The tail door window is opened and closed by using the non-latching switch mounted on the rear of the centre console. Tail door window operation is controlled by the Central Control Unit (CCU), and will only operate when the ignition switch is in the ignition position. NOTE: The 40 second time out function (see above) does not operate on the tail door window. Tail door window operation will cease as soon as the ignition is switched off. The tail door window can also be lowered using the remote handset. Pressing and holding the unlock button for approximately 2 seconds will inform the CCU to fully lower the tail door window. The tail door window can be raised by inserting the key in the tail door lock and turning it clockwise. NOTE: If the key is released before the tail door window has reached the top of its travel, the CCU will lower the window back to the fully open position. When the tail door handle is operated, a switch in the door handle informs the CCU to delay opening the door and to lower the window approximately 17 mm. This prevents the tail door from being opened with the window still engaged in the seal recess. When the tail door is closed, the CCU lifts the window to engage with the seal recess. NOTE: When the tail door is open, the tail door window can only be lowered. The window will only raise once the tail door is closed. If the rear wiper is operational, the tail door window will not lower until the wiper is on a downward stroke. When the window is in the lowered position, wiper operation will be suspended. On 3 door vehicles, the tail door window will be disabled if any of the following occur: zThe soft back is lowered. zThe soft back is removed. zThe hard back is removed.
DESCRIPTION AND OPERATION 4.20FREELANDER 04MY Tail Door Window Calibration When the CCU is changed from transit mode to a valid market mode, and after the vehicle battery has been disconnected, the tail door window must be calibrated to provide the CCU with a window position datum. When the CCU mode is changed to a valid market, or the battery reconnected, the CCU automatically begins the calibration process by energising the down contacts in the window lift relay module until the window lift motor stalls, to ensure the window is fully down. The calibration procedure is completed as follows: 1. Ensure the tail door is closed, the vehicle unlocked and the alarm disarmed. 2. On three door models, ensure the roof is on (hard back) or lowered and secured (soft back). 3. With the ignition on, use the console switch or the vehicle key in the tail door lock to raise the window until the motor stalls with the window fully closed. 4. Switch off the ignition. NOTE: If the calibration procedure is unsuccessful, the CCU will sound a warning for approximately 0.8 seconds and fully lower the window. OPERATION General Feed from the positive battery terminal (C0921) is supplied to fusible link 3 and fusible link 4 of the engine compartment fuse box (C0632) on an R wire. Fusible link 4 (C0574) provides a constant battery feed to fuse 16 and fuse 31 of the passenger compartment fuse box (C0587) on an N wire. Fusible link 4 also provides a constant battery feed to the Central Control Unit (CCU) (C0593). The CCU is mounted directly onto the rear of the passenger compartment fuse box. Fusible link 3 (C0571) is connected to the ignition switch (C0028) by an N wire. When the ignition switch is in the ignition position, current flows across the switch (C0028) to fuse 18 of the passenger compartment fuse box (C0588) on a G wire. Fuse 18 provides an ignition feed to the CCU (C0593). Tail Door Wiper Motor The CCU will not operate the tail door window if the rear wiper is operational. The CCU (C0428) monitors the condition of the rear wiper by providing a feed to the off screen park switch (C0388) on an OB wire. The off screen park switch is open circuit at all times except when the rear wiper is in the park position. When the wiper is in the park position, current flows across the switch contacts (C0388) to earth on a B wire. The CCU will only operate the tail door window when it registers this earth path.
DESCRIPTION AND OPERATION FREELANDER 04MY 4.21 The CCU (C0428) also monitors the position of the rear wiper by providing a feed to the on screen switch (C0388) on an NG wire. The on screen switch is open circuit at all times except when the rear wiper is at the top of its travel. At this point, the switch contacts close, and an earth path is created on a B wire. NOTE: The rear wiper will not operate if the tail door glass has not been calibrated. For more information on rear wiper operation, refer to the Wipers and Washers section of this manual. + WIPERS AND WASHERS. Roof On Switch (3 Door Vehicles Only) The roof on switch (C0497) is located on the RH D post, and is provided a constant battery feed by fuse 16 of the passenger compartment fuse box (C0580) on a P wire. The roof on switch is closed when the hard back is fitted, or the soft back is in the fitted position. In this instance current flows across the switch (C0497) to the CCU (C0428) on a PY wire. If the hard back is removed (or the soft back is folded down) the roof on switch becomes open circuit, and the feed to the CCU is removed. The CCU will now inhibit operation of the tail door window. Tail Door Window Switch The tail door window switch is located on the centre console. The CCU (C0428) provides feeds to the switch (C0354) on a BR wire and a BK wire. When the switch is moved to the down position, current supplied to the switch on the BR wire flows across the closed switch contacts to earth on a B wire. When the CCU registers this earth, it powers the tail door window down. When the switch is moved to the up position, current supplied by the CCU on the BK wire flows across the closed switch contacts to earth on a B wire. When the CCU registers this earth, it powers the tail door window up. Up When up operation of the tail door window is requested, the CCU (C0429) provides a feed to the window lift relay module (C0043) on an RU wire. The relay module (C0043) is now able to provide a battery feed from fuse 31 of the passenger compartment fuse box (C2625) to the window motor (C0612) on a UB wire. Current flows across the motor windings (C0612) and back to the relay module (C0043) on a UG wire. The relay module (C0043) is earthed on a B wire.