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Octavia 1 (1996-2004) Octavia 3 (2013-2019)

Electrical equipment and appliances Skoda Octavia 3

Battery disconnection
Switch off all electrical consumers, switch off the ignition and remove the ignition key from the lock. Open the cover of the heat shield. Open cover -1-, loosen nut -3- and only then disconnect battery earth cable -2-....

The procedure for performing work when connecting the battery
Attention! After working on the airbag system or on the electric seat belt tensioners or seat belts, the following instructions must also be observed. Before connecting the battery, turn on the ignition. When connecting...

Removal and installation of battery
Switch off all electrical consumers, switch off the ignition and remove the ignition key from the lock. Open the cover of the heat shield. Open cover -4-, loosen nut -6- and disconnect battery earth cable -5-. Open...

Removal and installation of the battery bracket
Remove the air filter housing located in front of the battery (does not apply to engines 1.2 l, TSI; 1.4 l, TSI). Remove battery. Remove screws -arrows- (9 Nm) and remove the battery holder -1-. Installation in reverse...

Removal and installation of a starter
Disconnect battery wire to ground. Remove the air filter housing located in front of the battery (does not apply to engines 1.2 l, TSI; 1.4 l, TSI). Move the protective cover - see arrow-. Unscrew nut -3- and disconnect...

Removal and installation of the generator
Disconnect battery wire to ground. Remove poly V-belt. Vehicles with TDI engine Remove fuel filter and set aside 8 (do not disconnect hoses). Vehicles with TDI engine and 1.2l, 1.4l, 1.8l TSI engines Remove...

Removal and installation of voltage regulators
Removal and installation of the Bosch voltage regulator Carefully pry off the protective cover -1- from the alternator. Loosen the fixing screws - see arrows- (2 Nm) voltage regulator and remove the regulator....

Removal and installation of a pulley of V-ribbed belts
Removal and installation of a poly V-belt pulley on a three-phase alternator Remove the V-ribbed belt and, accordingly, the alternator. Remove poly V-belt pulley using tool -T30032-. Removal - turn the generator shaft...

Adaptive Cruise Control, Front Assist
1. Dashboard cluster: with dash panel insert control unit -J285- 2. Steering column switch box: Variant with adaptive cruise control 3. Adaptive cruise control control switch -E45-: only on vehicles with adaptive cruise...

Removing and installing adaptive cruise control control unit -J428-
Note: If the adaptive cruise control control unit -J428- has been replaced, connect the Tester and in the "Guided Fault Finding" mode" or "Guided functions" select the function "Replacement of the relevant control...

Instrument cluster
Instrument cluster equipment The instrument cluster is available in three versions: 1) Basic equipment with segment display "Basic": without multifunction display, with multifunction display; 2) Instrument cluster with...

Indicator lamps in the instrument panel insert
Note: The location and number of indicator lamps depends on the vehicle equipment and the type of instrument cluster. 1. Fastening the front seat belts 2. Tire pressure 3. Power steering 4. Engine electronics control...

Multimedia infotainment system — general information
Infotainment system = Multimedia information system (MIB - Modular infotainment system). It allows the driver, through some applications, to gain access to vehicle settings, auxiliary systems and comfort functions....

Complete sets of infotainment system
Basic equipment infotainment system (entry) - Blues, Swing versions Blues: monochromatic display, media inputs - Aux-In connectors; USB/MEDIA IN (Mitsumi), AM/FM radio, display and adjustment of car comfort functions....

Details and components of the infotainment system
Parts and components of the infotainment system - equipment with a radio receiver The number and design of components depend on the vehicle equipment. 1. Front tweeter 2. Multifunction steering wheel 3. Rear tweeter...

Electronic coding for anti-theft
The display module/control unit is equipped with an electronic anti-theft protection that works in conjunction with the instrument cluster. The display module/control unit must be adapted to the respective vehicle using...

Display module/infotainment system control unit
Display module/infotainment system control unit "Blues" And "Swing" The display module/infotainment system control unit form a single unit. Remove media left in the device. Switch off the ignition and all electrical...

Overview of antenna systems
Note: The number of antenna system components depends on the vehicle equipment. When equipped with the "Blues" infotainment system" and "Swing" display module -pos. 3- and control unit -pos. 4- make up a single node. 1....

Removing and installing roof antenna
Disconnect the B-pillar top trim and remove the C- and D-pillar top trim (Combi). Loosen the fixing of the headlining and carefully hang its rear part downwards. Unlock and unplug connectors -1- for aerial cables....

Removing and installing a frequency filter
Removing and installing a frequency filter for frequency modulation (FM) in positive cable -R179- Remove the inner lining of the tailgate. Disconnect connectors -1- and -3-. Unscrew screw -arrow A-, move filter -2-...

Removing and installing the antenna module (amplifier) AM/FM and FM2/DAB
Note: The removal and installation work is the same for both amplifiers. Octavia Remove the inner lining of the tailgate. Combi Remove the C-pillar top trim on the side where the antenna module is located. All vehicles...

Mobile phone connection kit — design description
Note: The number of components in the kit depends on the vehicle equipment. 1. Telephone microphone -R38-: in front interior light 2. Infotainment system control unit: with built-in Bluetooth module 3. Infotainment...

Removing and installing an amplifier for receiving an antenna signal (compensator)
The compensator is located on the right under the lining of the luggage compartment. Remove the right side luggage compartment trim. Remove screws -arrows- (5 Nm). Octavia Combi Unplug connector and remove amplifier...

Removing and installing the induction board
Remove the storage compartment at the front of the center console. Release induction board -2- from retainers -arrows- and remove from storage compartment -1-. Installation in reverse order. Checking the induction board...

Telephone microphone -R38-
Remove the front interior lamp. Release the microphone from the retaining tabs - see arrows-. Disconnect connector. Installation in reverse order.

Multifunction steering wheel
Note: In the event of a complaint, the functions and operation of the multifunction steering wheel must be known. The multifunction steering wheel includes (depending on configuration) as follows: multifunction buttons...

Canton speaker system — design description
1. Front tweeter 2. Center speaker: in the middle of the front panel 3. Rear tweeter 4. Subwoofer 5. Rear midrange speaker 6. Sound system control unit 7. Front midrange speaker

Removal and installation of acoustic system elements
Removal and installation of the acoustic system control unit Switch off all electrical consumers and remove the ignition key. Move the left front seat all the way back and to its highest position. Remove spacer clips...

Removal and installation of the pump and washer reservoir
The function of the windshield washer can be checked using the Tester via the diagnosis of the final control unit of the onboard supply control unit -3519-. Note: Depending on the equipment, the position of the...

Removal and installation of windshield washer nozzles
Removal and installation of windshield washer nozzles Remove wiper arms. Remove the plenum box cover. Carefully press the angles from the bottom of the injectors and disconnect the connectors (for heated nozzles)....

Headlight washer
Removal and installation of lifting cylinders for headlight washer nozzles Remove the front bumper. Push the injectors out of the bumper (from within) so that you can grab the lid. Slightly pull out the cover, then grab...

Windshield wiper
Removal and installation of wiper arms with brushes and adjustment of their final position Note: If the wiper motor needs to be switched on during work, close the hood and switch on the ignition, otherwise the power...

Rear window wiper
Removal and installation of the wiper arm with a brush and adjustment of their final position Unlock and remove cap -1-. Carefully remove injector -2- -arrow- (not for combi). Loosen the fixing nut one turn. Lay the M6...

Steering column switch module — design description
Self-diagnosis and fault indication The steering column control unit -J527- is equipped with a self-diagnosis which facilitates troubleshooting. To search for a fault, use the "Guided Fault Finding" function in the...

Removal and installation of the module of switches on a steering column
Remove steering wheel. Before removing the steering wheel from the steering column, the wheels must be in the straight ahead position. Remove the upper and lower steering column covers. Remove connector stopper -4-,...

Removing and installing steering column control unit -J527-
Instruction. The steering column control unit -J527- is fitted with an airbag coil spring and a return ring with slip ring -F138-. If the control unit is to be replaced, the function "Replace control unit" must be...

Removal and installation of the steering column lock housing
Remove the steering wheel, lower and upper trim of the steering column. Remove the steering column switch module. Disconnect connectors -1- and -3-. Drill out the screws -arrows- with an angle drill and a 8.5 mm drill...

Removing and installing electronic steering column lock control unit -J764-
Note: If the control unit is to be replaced, the "Replace control unit" function must be selected" the corresponding control unit. Remove the steering wheel, lower and upper trim of the steering column. Remove the...

Removal and installation of the ignition switch and starter
Note: Do not remove the steering wheel. To remove the screws securing the lower trim of the steering column, turn the steering wheel 90°to the left and then to the right. Remove the upper and lower steering column...

Unlocking car doors / steering lock without a key, Start / Stop without a key — KESSY system
General description KESSY system (Keyless Entry, Start and exit SYstem - system of access and permission to start the engine without a key) allows you to unlock and lock the car, as well as start and stop the engine...

Antennas of the KESSY system
Removal and installation of the antenna under the center console The antenna is located in a bracket in front of the gear lever. Switch off the ignition and all electrical consumers. Remove center console. With a wedge...

Removal and installation of the START / STOP key and the immobilizer reading coil for emergency engine start
Note: Do not remove the steering wheel. To remove the screws securing the lower trim of the steering column, turn the steering wheel 90°to the left and then to the right. Remove the top and then bottom steering column...

Parking assistance and parking assistant — design description
Note: In the event of a complaint, it is essential to know the functions of the parking assistance system. The location of the contacts on the control unit and the connection of the parking assistance system components...

Removal and installation of elements of the help at a parking
Removing and installing parking aid control unit -J446- or parking aid and parking aid control unit -J791- Switch off the ignition and all electrical consumers. If fitted, remove the protective trim under the dash panel...

Removal and installation of electric window switches
Driver's side switch Note: The installation procedure is identical for all types of power window switches. When using a lever tool, seal the places where the lever tool is inserted with ordinary adhesive tape. Switch...

Removal and installation of the switch of adjustment of mirrors
Remove upper handle trim -1- -arrow-. Unclip switch -2- -arrows- and remove from trim -1-. Disconnect connector. Installation Installation in reverse order. Note: When pushing in the switch, hold the cover -1- in which...

Removal and installation of the switch of illumination of a glove box on the party of the forward passenger
Remove the storage compartment on the instrument panel on the passenger side. Unlock switch -2- from retainers -arrows- and remove. Disconnect connector -1-. Installation Installation in reverse order. Press the switch...

Removing and installing interior monitor deactivation switch -E 267- and vehicle inclination sensor deactivation button -E 360-
Switch off the ignition and all electrical consumers. Detach upper section of B-pillar lower trim -1- on driver's side and fold it back slightly. Remove switch -2- from cover -1-. Disconnect connector. Installation in...

Removal and installation of the switch of heating of back seats
Carefully! When using a lever tool, seal the places where the lever tool is inserted with ordinary adhesive tape. Switch off the ignition and all electrical consumers. Use wedge -3409- to remove cover -2- -arrow-....

Ancillary systems front camera -R242-
Removing and installing the front camera Note: To facilitate removal, turn the mirror as required. Switch off the ignition and all electrical consumers. Insert, for example, the release tool -T30098- or a flat feeler...

Sound signal
Removal and installation of sound signals Carefully! The pitch of the alarm sound is set at the factory. Do not change this setting or turn the adjusting screw! If the screw is found to have rotated, the warranty will...

Burglar alarm system
General information The functions of the anti-theft alarm system are integrated in the onboard supply control unit -J519-. After replacing the convenience system central control unit -J393- or the onboard supply control...

Sockets, cigarette lighter
Removing and installing a 12 V socket in the luggage compartment Remove left luggage compartment side trim. Disconnect electrical connector -1-. Loosen nut -5-. Remove socket -2- with cartridge -3- from cover -4-....

Removal and installation of the fuse box and relay
Removal and installation of the block of safety locks and the relay behind a combination of devices Disconnect battery wire to ground. Loosen the fastening of the front panel so that its lower part can be slightly bent...

Onboard supply control unit -J519- — Fault detection and display
The onboard supply control unit -J519- communicates with other control units via CAN data buses, its own LIN bus and the GATEWAY interface. It controls the comfort functions of the vehicle. When replacing the onboard...

Removing and installing onboard supply control unit -J519-
Disconnect battery wire to ground. If present, remove the protective lining under the front panel on the left side. Remove lower left side trim "A". Disconnect connectors -1, 2, 3-. Note: After unlocking, pull out the...

Data bus gateway diagnostic interface
1. Connector 2. Diagnostic interface for data bus gateway Gateway -J533- 3. Screw, 20 Nm 4. Strength element of the frame 5. Central tubular frame of the front panel

Removing and installing the diagnostic interface of the Gateway data bus converter -J533-
Note: If the diagnostic interface of the Gateway data bus converter -J533- is replaced, then in the "Guided Fault Finding" mode" or "Guided functions" it is necessary to select the function "Change control unit" the...

Control units in the front of the vehicle
1. Multifunction steering wheel control unit -J453- 2. Ignition switch -D- 3. Steering column electronics control unit -J527- 4. Light switch -E1- 5. Combined instrument panel control unit -3285-/immobilizer control...

Onboard supply control unit -J519- list
Loading connector contacts A. Plug connection, 73-pin - T73a B. Plug connection, 46-pin -T46b C. Plug connection, 73-pin - T73c 73-pin plug connection -T73a- 1. Login (30) - power supply for the front seat heating...

Combined instrument panel control unit -J285-/immobilizer control unit -J362-
Loading connector contacts A. Combined instrument panel control unit -J285-/immobilizer control unit -J362- B. 18-pin plug connection on wiring harness -T18a- 18-pin plug connection -T18a- 1. 30 2-6. not occupied 7....

Instrument control units in the front of the vehicle
Cornering headlight and headlight range control unit -J745- Fitting location: left under dash panel, arrow. Loading connector contacts A. Control unit for cornering headlights and headlight range adjustment -J745- B....

Control units in the rear of the car — list
1. Trailer detection control unit -J345- 2. Boot lid control unit -J605-; only for combi 3. Radio receiver for independent heater -R64- 4. Rear seat heating control unit -J786- 5. Inverter with socket, 12 V-230 V -U13-...

Control units in the rear of the vehicle
Trailer detection control unit -J345- Fitting location: in the luggage compartment on the left -arrow-. Loading connector contacts A. Trailer detection control unit -J345- B. Plug connection, 16-pin, on wiring harness...

Connection points and plug-in connections of cable bundles
Overview of connections and plug connections at the front of the vehicle 1. Plug connection, 16-pin -T16b- 2. Connection point on the A-pillar on the left 3. Plug connection, 27-pin -T27a- 4. Plug connection, 14-pin...

Fuses — mounting position and loading
1. Holder (panel) fuses C-SC- 2. Holder (panel) fuses B-SB- 3. Holder (panel) fuses A-SA- Loading fuses Loading fuses, from November 2012 Installed fuses, from May 2013 Fuse colors 50 A - red 40 A - orange/green 30 A -...

Relay — design description and position loading
1. Relay bracket on onboard supply control unit holder: on onboard supply control unit holder 2. Relay bracket under the instrument panel left: under the instrument panel on the left 3. Relay bracket behind fuse box:...

Earth connection points
Overview of ground connections in the engine compartment 1. Flexible ground strap, battery - body -1- 2. Ground connection on gearbox -14- 3. Ground connection 3 on side member, front left -673- 4. Ground connection 2...

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Read similar sections on other Skoda models

➧ Electrical equipment: Equipment and devices Skoda Fabia 1 (1999-2007)
➧ Electrical equipment: Equipment and devices Skoda Rapid 1 (2012-2022)
➧ Electrical equipment: Equipment and devices Skoda Superb 2 (2008-2015)
➧ Electrical equipment: Equipment and devices Skoda Felicia (1994-2001)

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Octavia 3 (2013-2019)