Removal and installation of switches, motors and sensors

Light switch, heater blower switch

1. Remove ground wire from battery.

2. Remove the switch handle by pulling it towards you.

3. Press the two latches, remove the switch from the dashboard.

4. Disconnect the connector and remove the switch.

5. Installation is made in sequence, return to removal.

Instrument dimmer

1. Unscrew the four screws and remove the instrument cluster trim.



2. Remove the instrument dimmer (indicated by an arrow) and disconnect the connector.

3. In the event of a malfunction, the instrument dimmer is not repaired, but must be replaced.

Mirror position switch and power window switch

1. Using a thin bladed screwdriver, pry off the switch and remove it from the armrest.



2. Disconnect connector and remove switch (indicated by an arrow).


3. Installation is made in sequence, return to removal.

Turn signal switch and windshield wiper/washer switch

1. Remove ground wire from battery.

2. Remove the center steering wheel cover.

3. Remove the upper and lower casings of the steering column, having previously unscrewed the six fixing screws.



4. Unlock the steering wheel and turn it to expose the two screws (indicated by arrows), holding the switch. Unscrew the screws.

5. Remove the switch from the steering column and disconnect the connector.

6. When installing, check switch operation before installing steering column shrouds and steering wheel center cover.

Switch for individual lighting on the door pillar

1. Unscrew one screw and remove the switch.

2. Fasten the wires with a thread or a clothespin so that they do not fall into the rack, and then disconnect the connector.

3. Lubricate the pivot point of the switch button with petroleum jelly before installation.

Reversing light switch (manual transmission)

The reverse light switch is located on the right side of the transmission.

1. Raise and secure the front of the vehicle on stands.


2. Remove the wire from the switch, carefully clean the switch and the area adjacent to the switch, and unscrew the switch.

3. After installing the switch, check that the wire of the switch is located at a sufficient distance from the exhaust pipe.

Sunroof opening switch

1. Being careful, use a thin blade screwdriver to remove the switch from the overhead console.

2. Disconnect the connector and remove the switch.

Handbrake sensor

1. Remove the rubber boot and, if necessary, the center console or sensor trim panel.

2. Remove wire from sensor.



3. Unscrew the two screws and remove the sensor.

Stoplight switch

1. Remove the upholstery under the instrument panel on the driver's side, secured with plastic clips.

2. Remove the wires from the switch.

3. Rotate the switch 90°counterclockwise and remove it from the brake pedal bracket.



4. When installing, press the pedal to the stop, insert the switch and turn it clockwise to lock it. Release the pedal and check that at least 2 mm of the switch stem is visible.

Oil pressure sensor

The oil pressure sensor on all engines except DOHC is located on the left side of the cylinder block. On DOHC engines, the oil pressure sensor is located on the front left side of the cylinder block.

1. To facilitate access to the sensor, move one of the pipelines to the side.

2. Remove the wires from the switch.

3. Unscrew and remove the sensor.

4. Thoroughly clean the sensor and its socket before installation. Apply a thin layer of sealant to the sensor threads.

5. Install the sensor, connect the wires, start the engine and check the tightness of the sensor installation.

6. Stop the engine and check the engine oil level.

Rear defroster switch

1. Unscrew the four screws and remove the instrument cluster trim.

2. Being careful, use a thin screwdriver blade to remove the switch from the socket.

3. Remove connector from switch.

Front seat adjustment switch

1. Remove seat trim panel.

2. Use a thin-blade screwdriver to remove the control handle from the switch.



3. Unscrew the two fastening screws, remove the switch and disconnect it.

Central locking motor

Central door locking system

Rear door lock with electromagnet

1. Remove the ground wire from the battery and open all doors.


2. Remove inner door trim.

3. Carefully remove the door seal from the door in the area where the central locking motor is installed.



4. Unscrew two screws (indicated by arrows) engine mounts and disconnect the engine from the lock control rod.

5. Remove electrical connector.

6. Remove electric motor. If the engine fails, it must be replaced as it cannot be repaired.

7. Installation is carried out in the reverse order of removal, and be sure to set the door lock button to the position "open", loosen the screw securing the inner handle, slide the handle forward as far as it will go and tighten the screw.

Power window motor

1. Remove the window lift mechanism together with the engine.



2. Check that the spring holds the lever in its final position (arrow).



3. Unscrew three screws (indicated by arrows) and separate the engine from the glass lifting mechanism.

Attention! Careless release of the spring can cause damage and injury.

4. Installation is made in sequence, return to removal.

Seat adjustment motor, seat cushion lift and movement motors

1. Move the front seat back as far as it will go.

2. Unscrew the two mounting bolts from the front of the seat frame and tilt the seat back.



3. Loosen two screws (indicated by arrows) and remove the motors.

4. Check that the drive cables from the worm gears move without force, otherwise also disconnect one end of the worm gear.

5. When removing only one motor, remove its blades from the common connector after removing the connector housing.

6. Installation is made in sequence, return to removal.

Seat reclining motor

1. Remove the front seat.



2. Unscrew the two mounting bolts, disconnect the connector and remove the motor from the deflector.

3. Install the motor in such a way that the toothed gear of the electric motor meshes with the gear of the deflection mechanism.

4. Connect the connector and fix the motor with two bolts.

5. Further installation is carried out in the reverse order of removal.

Sunroof drive motor

1. Remove upper console.



2. Unscrew the three fixing screws (indicated by arrows), lower the motor, disconnect the connector and remove the relay.

3. Install the engine in such a way that the toothed gear of the electric motor engages with the gear of the sunroof position control mechanism.

4. Install the relay, connect the connector and secure the motor with three bolts.

Speedometer sensor

The speedometer is driven by an electrical sensor located on the left side of the transmission extension.

1. Raise and secure the front of the vehicle.

2. Install an appropriate container under the sensor.



3. Unscrew the mounting bolt (indicated by an arrow) and remove the sensor from the gearbox (1 - manual transmission, 2 - automatic transmission).

4. Disconnect electrical connector.

5. When installing a new sensor, install the drive gear and ring clamp on it from the old sensor, and on models with automatic transmission and the sealing ring.

6. If there were two wires on the old sensor, and three on the new one, cut off the brown wire from the connector and additionally install grounding.

7. Install the new sensor and secure it with a new bolt (M6x25 mm for manual transmission and M6x35 mm for automatic transmission). In addition to the new sensor, the bolt also secures the new ground lug, radio ground bar, and connector retaining bracket.

8. Connect the connector and secure it to the bracket.

9. Bring the oil level in the gearbox up to standard.

Fuel computer backlight

Vehicles manufactured before 04.1992

1. Remove the decorative casing of the instrument panel, which is attached with four screws.

2. Carefully remove the fuel computer. Remove the connector by pushing it down.



3. Remove the socket with the light bulb by squeezing it with pliers and turning it counterclockwise. Pull the old bulb out of the socket.

4. Installing a new bulb is done in the reverse order of removal.

Vehicles manufactured since 04.1992

5. Remove the decorative casing of the instrument panel, which is attached with two screws and two clips.

6. Remove the instrument dimmer and disconnect the connector.

7. Remove the three heater control knobs to access the heater panel fixing screws.

8. Unscrew the four screws securing the heater panel and partially move the panel.

9. Disconnect the glass heater and fuel computer connectors from the panel and remove the panel.



10. unscrew four screws (indicated by arrows) attaching the computer to the panel and remove the computer.

11. Replace fuel computer backlight bulbs.

Fuel flow sensor (only carbureted models)

The sensor is located on the left mudguard in the engine compartment.

1. Remove the ground lead from the battery.

2. Remove the electrical connector and fuel pipes from the sensor.



3. Unscrew the three screws securing the sensor bracket. Remove the sensor together with the bracket.

4. The sensor is installed in the reverse order of removal.