Peugeot 405 Manual

Central locking components - removal and refitting
Bodywork and fittings / Central locking components - removal and refitting


Note: Before attempting work on any of the central locking system components, disconnect the battery negative lead.

Reconnect the lead on completion of work.

Electronic control unit
Removal
1 Remove the glovebox as described in Section 28 to reveal the control unit (see illustration).

20.1 Central locking electronic control unit (arrowed) viewed with glovebox
20.1 Central locking electronic control unit (arrowed) viewed with glovebox removed - models up to 1992

2 Where applicable, remove the two securing screws, then unclip the control unit from its location, and disconnect the wiring plug (see illustration).

20.2 Removing the central locking electronic control unit - models from 1993
20.2 Removing the central locking electronic control unit - models from 1993

Refitting
3 Refitting is a reversal of removal.

Door lock motor
4 The motors are fitted to the door lock assemblies. To remove a motor, remove the lock assembly as described in Section 14, then remove the screws securing the motor to the lock assembly.

Tailgate lock motor
Removal
5 Open the tailgate.

6 Remove the securing screws, and withdraw the plastic trim panel from the inside of the tailgate.

7 Working around the edge of the carpeted trim panel, release the securing clips, ideally using a forked tool to avoid breaking the clips.

Withdraw the carpeted panel.

8 Unscrew the bolt securing the lock motor to the tailgate (see illustration).

20.8 Unscrewing the tailgate lock motor securing bolt
20.8 Unscrewing the tailgate lock motor securing bolt

9 Manipulate the motor out from the aperture in the tailgate, then disconnect the lock operating rod and disconnect the wiring plug (see illustration).

20.9 Disconnecting the wiring plug from the tailgate lock motor
20.9 Disconnecting the wiring plug from the tailgate lock motor

Refitting
10 Refitting is a reversal of removal.

Boot lid lock motor
Removal
11 Open the boot lid.

12 Pull the weatherseals from the edge of the rear luggage compartment trim panel, then carefully pull the trim panel from the upper edge of the luggage compartment.

13 Remove the securing screws, then withdraw the lock motor and disconnect the control rod.

14 Disconnect the wiring plug, and withdraw the motor.

Refitting
15 Refitting is a reversal of removal.

Fuel filler flap lock motor - Saloon models
Removal
16 On Saloon models, the motor is located in the luggage compartment, behind the righthand side trim panels.

17 Carefully prise the carpeted trim from the side of the luggage compartment, to expose the lock motor.

18 Open the fuel filler flap, and unscrew the bolt securing the motor to the body.

19 Working inside the luggage compartment, unscrew the securing bolt, then withdraw the motor and disconnect the wiring plug.

Refitting
20 Refitting is a reversal of removal. If necessary, glue the trim back into position.

Fuel filler flap lock motor - Estate models
Removal
21 On Estate models, the motor is located in the luggage compartment, behind the rear window washer reservoir.

22 Working inside the luggage compartment, open the cover flap to expose the rear washer fluid reservoir.

23 Remove the two securing screws, then lift out the reservoir to expose the lock motor.

Note that there is no need to disconnect the washer fluid tubing.

24 Proceed as described in paragraphs 18 and 19 (see illustrations).

20.24a Remove the bolt securing the fuel filler flap lock motor to the body
20.24a Remove the bolt securing the fuel filler flap lock motor to the body

20.24b Removing the fuel filler flap lock motor - Estate model
20.24b Removing the fuel filler flap lock motor - Estate model

Refitting
25 Refitting is a reversal of removal.

Remote control receiver unit Removal
26 The unit is located in the roof console.

27 Unclip the sunvisors from the roof console.

28 Carefully prise the courtesy light assembly from the console to expose the two roof console front securing screws. Disconnect the wiring plug and remove the light.

29 Similarly, prise the map reading light and the light surround from the console to expose one of the front securing screws. Disconnect the wiring plug and remove the light.

30 Prise the blanking plate from the console then, where applicable, push the sunroof switch from the console.

31 Remove the two console securing screws exposed by removal of the map reading light and sunroof switch, then lower the console from the roof (see illustration).

20.31 Removing a roof console securing screw
20.31 Removing a roof console securing screw

32 Disconnect the wiring plug from the receiver unit.

33 Release the clips, and withdraw the receiver unit from the console (see illustration).

20.33 Central locking remote control receiver securing clips (arrowed)
20.33 Central locking remote control receiver securing clips (arrowed)

Refitting
34 Refitting is a reversal of removal.

Remote control transmitter batteries - renewal
Early models
35 Using a small screwdriver, carefully prise the rear cover from the transmitter unit, and remove the three batteries, noting which way round they are fitted (see illustration).

20.35 Rear cover removed from remote transmitter to expose batteries
20.35 Rear cover removed from remote transmitter to expose batteries (arrowed)

36 Fit the new batteries, ensuring that they are fitted the correct way round; the battery and transmitter terminals are marked У+Ф and У-Ф to avoid confusion. Clip the transmitter back together.

Later models
36 Remove the small screws securing the two halves of the key/transmitter casing together. Remove the two batteries, noting which way round they are fitted.

37 Fit the new batteries, ensuring that they are fitted the correct way round. Clip the two halves of the casing back together and refit the securing screw.


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