AUTOMOTIVE ELECTRICIANS

Fiat IDEA 1.4 16v – REAR WINDOW WASH/WIPE – – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

Fiat IDEA 1.4 16v   – REAR WINDOW WASH/WIPE –  – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION
Wiring diagram

COMPONENTS
Component codeNameAssembly reference
B1Engine compartment junction unit5505A
B2Junction unit under dashboard5505A
C10Front left earth-
C20Passenger side dashboard earth-
C30Left rear earth-
H1Ignition switch5520A
H5Steering column switch unit5550A
M1Body computer5505A
N16Rear window wiper motor5050C
N22Windscreen/rear window pump motor5050B
Location of components

COMPONENTS
Component codeNameAssembly reference
B1Engine compartment junction unit5505A
B2Junction unit under dashboard5505A
C10Front left earth-
C20Passenger side dashboard earth-
C30Left rear earth-
H1Ignition switch5520A
H5Steering column switch unit5550A
M1Body computer5505A
N16Rear window wiper motor5050C
N22Windscreen/rear window pump motor5050B
DescriptionThe rearscreen wiper is operated by turning the ring nut on the end of the lever located on the right of the steering wheel.The operation of the rearscreen wiper motor is controlled intermittently by the electronic device inside the steering column switch unit which also manages the windscreen wash/wipe: the activation of the rearscreen wiper is synchronized with the windscreen wiper, but the frequency is half that of the windscreen wiperBy pushing the lever gently towards the steering wheel the rearscreen washer function is activated; the same (two-way) pump is used as for the windscreen washer, but it rotates in the opposite direction and sends the detergent fluid to the rear, following the same control logic: the rearscreen wiper is activated the, as the rearscreen washer command is over, an additional stroke is carried out. When the windscreen wiper is working, engaging reverse gear automatically activates the rearscreen wiper: this function is managed by the Body Computer which forwards this information, coming from the reversing lights function control logic, to the electronic device in the steering column switch unit 2399188SeeE2022REVERSING LIGHTS . The rearscreen wash/wipe can only be operated with the ignition switched ON. The windscreen wash/wipe circuit is protected by a specific fuse and is operated by the ignition-operated relay located in the underdashboard control unit.The rearscreen wash/wipe can be operated with the ignition ON (INT/A).
Functional descriptionThe electronic device inside the steering column switch unit H5 and the controls on the right lever are supplied at pin 11 of connector A by the line 'controlled by the ignition' (INT/A) of relay T12 protected by fuse F43, both housed in the underdashboard control unit B2. The electronic section of the steering column switch unit H5 which manages the rearscreen wiper function is supplied at pin 12 of connector C from the same line 'controlled by the ignition' (INT/A) for the relay T12 protected by the fuse F52, housed in the underdashboard junction unit B2. Pin 7 of connector A and pin 9 of connector C of H5 are earthed. When the rearscreen wiper function is switched on, the steering column switch unit H5 sends the control signal to the rearscreen wiper motor N16 from pin 1 of connector B; pin 2, on the other hand, receives the earth signal coming from the motor end of travel cam which stops operation. The motor N16 is then earthed. The rearscreen washer switch on the steering column switch unit H5, when operated, sends two signals from pin 10 and 12 of connector A, which operate the windscreen washer pump N22 which sends the detergent liquid to the rear. Pin 3 of connector A receives the (positive) signal coming from the Body Computer M1 pin 1 of connector A which implements the automatic operation of the rearscreen wiper with reverse gear engaged See E2022 REVERSING LIGHTS .

Engine compartment junction unit



B1A



B1B



B1C



B1C



B1D



B1E



B1E



B1E



B1X



multi-function components



5505A10


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting212400802-7040A37fuse box cover - r r2400542-5505A35BODY COMPUTER/MAIN JUNCTION UNIT - R.R.1. Release the retainers (1a), separate the junction unit (1b) fromthe body computer (1c). 2050745

5505A13


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Open the bonnet lid.1. Release the retainers (1a) and remove the cover (1b).2050746

5505A29


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting212400539-5505A13supplementary junctioncontrol unit in engine bay - r r1. Undo the bolts (1a) fixing the climate control system controlunit (1b).2050749

5505A32


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting212400802-7040A37fuse box cover - r r2400542-5505A35BODY COMPUTER/MAIN JUNCTION UNIT - R.R.1. Release the retainers (1a), separate the junction unit (1b) fromthe body computer (1c). 2050751

5505A35


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting212400802-7040A37fuse box cover - r r1. Disconnect the electrical connections (1a, 1b, 1c, 1d, 1e, 1f).2. Undo the bracket retaining bolt.3. Slightly move the bracket (3a) for the dashboard trim and undothe bolt (3b).4. Undo the other bolts securing the body computer/junction unit.5. Slightly move the body computer/junction unit assembly.6. Disconnect the electrical connections (6a, 6b, 6c).7. Recover the body computer/junction unit.2050752

5505A42



5505A43


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Disconnect electronic control unit electrical connections (1a),(1b), (1c).2. Undo the bolts.3. Recover the control unit.2050753

5505A46



5505A47


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Disconnect electronic control unit electrical connections (1a),(1b), (1c).2. Undo the bolts.3. Recover the control unit.2050754

5505A48



Junction unit under dashboard



B2A



B2A



B2B



B2C



B2D



B2D



B2E



B2G



B2H



Front left earth



C10



Passenger side dashboard earth



C20B



C20



Ignition switch



H1A



H1B



ignition switch



5520A12


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting212400798-7040A26steering column trim- r+r2400642-5580E08aerial for alpha code - r r1. Disconnect the electrical connections (1a, 1b) from the ignitionswitch. 2. Drill out the headless bolts (2a). Remove the ignition switch(2b). 232050765

5520A14


23

Steering column switch unit



H5A



H5B



H5C



stalk unit



5550A12


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Place the steering wheel inthe centred position with the wheels straight. 232400633-5580C18air bag module - r+r2400399-4110A11steering wheel - r+r for replacement or check forversions with air bag2400798-7040A26steering column trim - r+r1. Disconnect the electrical connection.2. Loosen the stalk unit retaining band.3. Move stalk unit (3a) slightly by releasing tab (3b) from itsretainer. 4. Open the cable retaining bands and release the wiring.5. Disconnect the electrical connections (5a, 5b, 5c).6. Recover the steering column switch unit. If necessary, remove the clock spring, 2400631-5580C12clock spring for air bag module on steering wheelr r for precautions to be observed. 2050824

Body computer



M1A



M1A



M1B



M1B



M1C



M1D



M1E



M1F



M1G



M1H



M1I



Rear window wiper motor



N16



rear wash/wipe



5050C10


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting212400611-5550D16third stop light - r+r1. Working from the inside of the tailgate, release the retainers(1a) and move the jet (1b) outwards. 2. Disconnect the pipe (2a) and keep the jet (1b).2050739

5050C28


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting21Lift up the wiper arm.1. Undo blade etainers (1a) from wiper arm seats (1b).2. Recover the blade.2050740

5050C34


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Open the cover.2. Undo the nut.3. Remove the wiper arm.2050741

5050C42


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting212400743-7015A04tailgate interior panel- r+r2400533-5050C34rear wiper arm with blade - r+r1. Disconnect the motor electrical connection2. Undo the bolts.3. Remove the motor.2050743

Windscreen/rear window pump motor



N22



windscreen wash/wipe



5050B10


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting212400526-5050B34windscreen wiper arm/scomplete with blade - r+r (right andleft) 2400974-7210E22R.R. WINDSCREEN BASE TRIM1. Disconnect the washer fluid pipe.2. Remove jet (2a), releasing the retainers (2b). It is not possibleto adjust the jets.2050730

5050B22


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting212400918-7055B90Left front WHEEL ARCHLINER - R.R.2400521-5050A10windscreen washer fluid reservoir (in engine bay)- r+r1. Disconnect the electrical connection for the electric pump.2. Disconnect the pipes from the electric pump.2050731

5050B28


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Lift up the wiper arm.2. Press on the end of the support (2b) with the retainer (2a) andremove the blade (2c) from the end of the arm. 2050732

5050B34


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting211. Release the nut cover.2. Undo the nut and recover the washer.3. Remove the arm.2050733

5050B38


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting212400526-5050B34windscreen wiper arm/scomplete with blade - r+r (right andleft) 2400974-7210E22R.R. WINDSCREEN BASE TRIM2400786-7035A54WINDSCREEN BASE LOWER SUPPORT (one), left or rightfor attaching windscreen protective grille - R.R.1. Disconnect the electrical connection for the window wiper motor.2. Undo the bolts.3. Remove the assembly.2050735

5050B42


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting212400526-5050B34windscreen wiper arm/scomplete with blade - r+r (right andleft) 2400974-7210E22R.R. WINDSCREEN BASE TRIM2400786-7035A54WINDSCREEN BASE LOWER SUPPORT (one), left or rightfor attaching windscreen protective grille - R.R.2400527-5050B38windscreen wiper assembly - r+r or repair1. Mark the position of the rotation lever (1a) in relation to themounting (1b).2. Undo the centre nut.3. Undo the bolts.4. Remove the motor.2050736

5050B70


<anchor>0</anchor><span>Removing</span><icon><imageid>20</imageid></icon>1Refitting212400932-7065C34l/h or r/h sun blind(one) - r+r (right and left) 2400816-7040E10front courtesy light - r+r2400821-7040H08oddment shelf on roof trim r r2400933-7065C60INTERIOR REAR VIEW MIRROR for versions with rain/dusksensor - R.R.1. Open the retaining clips (1a) outwards releasing them from theseats (1b).2. Extract the sensor from its housing.2050738
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