DescriptionIn the case of poor visibility, it is possibleto activate demisting of the rear windscreen and the door mirrors.The heating resistances for thesecomponents absorb a considerable amount of energy and they are thereforechecked and deactivated after a certain period: the defrosting istimed, according to the following logic, managed by the Body Computer:ignition ON (INT/A);activation signal from the relevant button, located onthe climate control system control panel.In these circumstances the resistances remainsupplied for a maximum of 20 minutes, then the power supply is cutoff.The power supply is also cut offunder the following conditions:ignition in OFF positiondeactivation signal from the relevant button;battery voltage below 8.5 Vafter the first 10 minutes operation, if the engine speedis below 1000 rpm.When the demister is on, a warning lighton the climate control system control unit is activated.
Functional description The heated rear windscreen relay T11,located in the underdashboard junction unit B2, controls the simultaneousactivation of the defrosting function for both the heated rear windscreenP55 and the resistances located in the mirrors P60 and P61 via thelines protected by fuses F40 and F41, respectively of junction unitB2. The supply for the coil for relay T11is 'controlled by the ignition' (INT/A) and is energized by an earthsignal coming from the Body Computer M1 - pin 6 of connector F; this signalis sent according to the complex control logic described previouslyand, in particular, when a signal arrives - at pin 32 of connectorG of M11 - from the heated rear windscreen button. This signal comes from climate control unit H80 ,which receives the feedback signal for activation of the relevantled - from pin 21 of connector H of M1 -.
0Removing201Refitting212429579-7040A30Left instrument panellower TRIM - R.R.1. Disconnect the electrical connections (1a, 1b, 1c, 1d, 1e, 1f).2. Undo the left-threaded bolt securing the facia trim mount beam.3. Undo the bolts securing the body computer/junction unit.4. Move facia trim (4a) slightly and move body computer/junctionunit (4b) downwards.5. Disconnect the electrical connections (5a, 5b, 5c).6. Recover the body computer/junction unit.2045005
0Removing201Refitting211. Disconnect electronic control unit electrical connections (1a),(1b), (1c).2. Undo the bolts.3. Recover the control unit2045007
0Removing201Refitting211. Disconnect electronic control unit electrical connections (1a),(1b), (1c).2. Undo the bolts.3. Recover the control unit2045008
0Removing201Refitting211. Release the switch unit (1a), releasing the retainers (1b).2. Disconnect the electrical connections (2a (2b).3. Recover the switch unit.2045153
7005M12
0Removing201Refitting211. Release the switch holder trim (1a), releasing the retainers(1b).2. Disconnect the electrical connection.3. Keep the switch holder trim.2045154
0Removing201Refitting211. Unscrew the motor retaining bolt.2. Disconnect the electrical connections for the motor (2a, 2b).3. Remove the distribution motor (3a) or the mixture motor (3b)releasing the intake.2044976
0Removing201Refitting212429574-7040A18glove compartment onfacia - arrange1. Unscrew the motor retaining bolt.2. Disconnect the motor electrical connection.3. Remove the motor releasign the intake.2044977
5040D96
0Removing201Refitting212429574-7040A18glove compartment onfacia - arrange1. Unscrew the motor retaining bolt.2. Disconnect the motor electrical connection.3. Remove the motor releasign the intake.2044978
0Removing201Refitting211. Fit a plastic spatula (1a) between the reflector (1b) and thecasing (1c) and release the reflector retainers (1d) from the circularsupport (1e).2. Disconnect the electrical connections for the reflector defroster.3. Recover the reflector.2045161
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