Abbreviations
- B.d. - Gas engine
- D.d. - Diesel engine
- Boo. - Control block
- HORN. - Exhaust gas recirculation
- Shch.p. - Dashboard
- e.c. - Solenoid valve
- s.z. - Ignition system
- d.d. - Knock sensor
- s.o. - Cooling system
- o.zh. - Coolant
- DKVD - Engine crankshaft speed sensor
- DTVK - Intake manifold temperature sensor
- SUPS - Gasoline Vapor Recovery System
- DPPA - Accelerator Pedal Position Sensor
- DDVVK - Intake manifold pressure sensor
- DPS - Clutch pedal sensor
- RPDZ - Throttle position regulator
- DK - Oxygen sensor
- DPIF - Injector Needle Movement Sensor
- DPT - Brake pedal sensor
- DS - Speed sensor
- DTOZH - Coolant temperature sensor
- KPVK - Intake manifold switching valve
Designations on electrical diagrams
- A - Battery
- A2 - Positive connection (15) in the instrument panel wiring harness
- AZ - Positive connection (58) in the instrument panel wiring harness
- A4 - Positive connection (58b) in the instrument panel wiring harness
- A14 - Positive connection (58b) in the instrument panel wiring harness
- A21 - Connection (86s) in the instrument panel wiring harness
- A27 - Connection (overspeed alarm), in the instrument panel wiring harness
- A32 - Positive connection (30), in the instrument panel wiring harness
- A51 - Positive connection (56), in the instrument panel wiring harness
- A61 - Positive connection (X), in the wiring harness of the instrument panel
- A80 - Compound 1 (X), in the instrument panel wiring harness
- A88 - Positive connection (NSL), in the instrument panel wiring harness
- A98 - Positive connection 4 (30). in the instrument panel wiring harness
- A99 - Compound 1 (87), in the instrument panel wiring harness
- A100 - Compound 2 (87), in the instrument panel wiring harness
- A125 - Connection (collision signal), in the instrument panel wiring harness
- B - Starter
- B10 - Positive connection (30), in the headlight switch harness
- B12 - Connection (49), in the steering column switch harness
- B113 - Positive connection (30a), in the interior wiring harness on the left
- C - Generator
- C1 - Relay-regulator
- C13 - Positive connection in double horn harness
- C15 - Connection 1, in the headlight wiring harness
- C16 - Connection 2, in the headlight wiring harness
- C17 - Connection (56b) 1, in the lighting equipment wiring harness, front
- C18 - Connection (56b) 2, in the lighting equipment wiring harness, front
- C25 - Connection (anti-fog headlight), in lighting harness, front
- D - Ignition switch
- D50 - Positive connection (30), in the wiring harness of the engine compartment
- D51 - Positive connection 1 (15), in the wiring harness of the engine compartment
- D52 - Positive connection (15a), in the wiring harness of the engine compartment
- D57 - Connection (right turn signal), in the wiring harness of the engine compartment
- D58 - Connection (left turn signal) 1, in the wiring harness of the engine compartment
- D73 - Positive connection (54), in the wiring harness of the engine compartment
- D95 - Connection (nozzles), in the wiring harness of the engine compartment
- D101 - Connection 1, in the wiring harness of the engine compartment
- D102 - Connection 2, in the wiring harness of the engine compartment
- D106 - Connection 4, in the wiring harness of the engine compartment
- D107 - Connection 5, in the wiring harness of the engine compartment
- D109 - Connection 7, in the wiring harness of the engine compartment
- D112 - Connection 10, in the wiring harness of the engine compartment
- D113 - Connection 11, in the wiring harness of the engine compartment
- D159 - Positive connections (high speed data bus), in the wiring harness of the engine compartment
- D160 - Positive connections (low speed data bus), in the wiring harness of the engine compartment
- E1 - Headlight switch
- E2 - Turn signal switch
- E3 - Emergency light switch
- E4 - Manual switch for dipped headlights and horn
- E9 - Fresh air fan switch
- E15 - Rear window heating switch
- E19 - Parking lights switch
- E20 - Switch and instrument panel illumination dimmer
- E22 - Wiper switch
- E23 - Fog lamp and fog lamp switch
- E30 - Connections (87), in the engine wiring harness
- E34 - Rear window wiper switch
- E86 - Call button for multifunction indicator
- E102 - Headlight range adjuster
- E109 - Multifunction display memory switch
- F - Stoplight switch
- F1 - Oil pressure sensor
- F2 - Door light switch - driver's side
- F3 - Door Light Switch - Passenger's Side
- F4 - Reversing light switch
- F5 - Trunk light switch
- F8 - Switch «Kick-down- (only for vehicles with automatic transmission)
- F9 - Parking brake switch
- F18 - Thermal fan coolant switch
- F22 - Oil pressure sensor (0.25 bar)
- F25 - Connection 1, in the wiring harness of the diesel direct injection system
- F26 - Connection 2, in the wiring harness of the diesel direct injection system
- F31 - Connection (glow plugs-engine), in the wiring harness of the diesel direct injection system
- F32 - Connection (glow plugs - coolant), in the wiring harness of the diesel direct injection system
- F34 - Signal contact for brake fluid level
- F36 - Clutch pedal sensor
- F47 - Brake Pedal Sensor for Speed Control/Diesel Direct Injection
- F60 - Idle switch
- F63 - Brake pedal sensor
- F88 - Pneumatic switch/power steering
- F160 - Door light switch, rear
- G - Fuel level sensor
- G1 - Fuel gauge
- G2 - Coolant temperature sensor
- G3 - Coolant temperature gauge/positive connection in the injector guide wires
- G5 - Tachometer
- G6 - Fuel pump
- G8 - Oil temperature sensor
- G17 - Ambient air temperature sensor
- G21 - Speedometer
- G22 - Speed sensor (hall sensor on gearbox)
- G28 - Engine speed sensor
- G32 - Coolant level sensor
- G39 - Lambda probe
- G40 - Hall sensor
- G42 - Intake air temperature sensor
- G61 - Knock sensor
- G62 - Coolant temperature sensor
- G69 - Throttle valve potentiometer
- G70 - Air mass meter
- G71 - Intake manifold pressure sensor
- G72 - Intake manifold temperature sensor
- G79 - Accelerator pedal position sensor
- G80 - Injector needle displacement sensor
- G81 - Fuel temperature sensor
- G88 - Throttle position regulator (potentiometer)
- G127 - Throttle position sensor
- G130 - Lambda probe after catalytic converter
- G149 - Throttle position sensor
- G185 - Accelerator pedal position sensor 2
- G186 - Throttle actuator (electric throttle actuator)
- G187 - Angle position sensor 1 throttle actuator (electric throttle actuator)
- G188 - Angle position sensor 2 throttle actuator (electric throttle actuator)
- H - Signal
- H1 - Signal
- H11 - Warning sound signal for monitoring oil pressure
- H20 - Connection 1. in the diagnostic wiring harness
- J2 - Hazard light relay
- J4 - Double horn relay
- J6 - DC voltage source
- J17 - Fuel pump relay
- J30 - Rear window wiper and washer relay
- J31 - Relay for automatic intermittent windshield washer and wiper
- J52 - Glow plug relay
- J59 - Relief relay X-shaped contact
- J81 - Intake manifold preheating relay
- J102 - ABS relay
- J104 - ABS control unit with EDS
- J152 - Warning horn for parking lights, above relay box
- J217 - Automatic transmission control unit, in a watertight reservoir in the middle
- J234 - Airbag control unit
- J248 - Diesel direct injection control unit, in watertight reservoir on the right
- J257 - Mono-Motronic system control unit, in watertight reservoir on the left
- J285 - Control unit with indicator unit in the instrument panel
- J293 - Cooling fan control unit
- J317 - Voltage supply relay - terminal 30
- J325 - Glow plug relay, front left
- J338 - Throttle control unit
- J359 - Low heat output relay
- J360 - High heat output relay
- J361 - Simos fuel injection system control unit, in the watertight reservoir on the left
- J362 - Electronic engine immobilizer control unit, on the instrument panel, above the relay box
- J363 - Simos power supply relay
- J491 - Fuel cut control unit (emergency)
- J537 - 4LV fuel injection system control unit
- K1 - high beam warning light
- K2 - Generator warning light
- KZ - Oil pressure warning light
- K4 - Signal lamp parking lights
- K6 - Warning light warning light
- K7 - Warning light brake system with dual-circuit drive and parking brake system
- K10 - Rear window heating warning light
- K13 - Fog light warning light
- K28 - Signal light for temperature gauge / coolant level
- K29 - Signal light for preheating
- K65 - Signal light left direction indicator
- K94 - Signal light of the right direction indicator
- K105 - Signal lamp for fuel supply
- L1 - Double filament headlight bulb left
- L2 - Double filament headlight bulb right
- L7 - Connection 3, in the wiring harness of the air conditioner
- L9 - Light switch light bulb
- L10 - Instrument panel illumination lamp
- L16 - Illumination lamp fresh air supply regulator
- L20 - Fog light bulb
- L28 - Cigarette lighter bulb
- L39 - Rear window heating switch lamp
- L75 - Illumination of the digital indicator
- M1 - Parking light bulb on the left
- M3 - Parking light bulb on the right
- M5 - Front left turn signal bulb
- M6 - Bulb rear left turn signal
- M7 - Front right turn signal bulb
- M8 - Bulb rear right turn signal
- M17 - Right reversing light bulb
- M18 - Bulb of the side turn signal repeater on the left
- M19 - Bulb, side turn signal repeater, right
- M21 - Brake light and tail light bulb on the left
- M22 - Brake light and tail light bulb on the right
- M25 - High brake light bulb, 10x
- N2 - Connection in the headlight range adjustment harness
- N18 - Exhaust gas recirculation valve
- N24 - Additional resistor for fresh air fan with overheating fuse
- N30 - Nozzle of the 1st cylinder
- N31 - Nozzle of the 2nd cylinder
- N32 - Injector of the 3rd cylinder
- N33 - Nozzle 4th cylinder
- N51 - Thermal resistance of intake manifold preheating
- N75 - Boost pressure control solenoid valve
- N80 - Solenoid valve 1 absorption tank (impulse)
- N108 - Injection start valve
- N109 - Fuel cut-off valve
- N112 - Additional air injection valve
- N121 - Pulse valve for exhaust gas recirculation
- N146 - Dispenser
- N152 - Ignition coil
- N156 - Sequential valve for intake manifold
- N157 - Ignition coil output unit
- N181 - Nozzle
- N211 - Throttle control valve
- N239 - Intake manifold flap control valve
- O - Ignition distributor
- R - Tip of the wire to the spark plug
- Q - Spark plugs
- Q6 - Glow plugs (engine)
- Q7 - Glow plugs (coolant)
- R - Radio
- R6 - Positive connection 1, in interior light/door light switch harness
- R11 - Antenna
- S15 - Fuses in housing/relay box
- S18 - Fuses in housing/relay box
- S20 - Fuses in housing/relay box
- S39 - Blade fuse for engine glow plugs, on the front wall on the left
- S109 - Blade fuse for glow plugs - (coolant)
- SA1 - Fuse 1 on the fuse box/battery
- SA2 - Fuse 2 on the fuse box/battery
- SA4 - Fuse 4 on the fuse box/battery
- SA5 Fuse 5 on fuse box/battery
- SA6 - Fuse 6 on the fuse box/battery
- SB1 - Fuse 1 on the fuse box
- SB3 - Fuse 3 on the fuse box
- SB15 - Fuse 15 on the fuse box
- SB16 - Fuse 16 on the fuse box
- SB23 - Fuse 23 on the fuse box
- SB24 - Fuse 24 on the fuse box
- SB27 - Fuse 27 on the fuse box
- SB28 - Fuse 28 on the fuse box
- SB31 - Fuse 31 on the fuse box
- SB32 - Fuse 32 on the fuse box
- SB34 - Fuse 34 on the fuse box
- SB36 - Fuse 36 on the fuse box
- SB37 - Fuse 37 on the fuse box
- SB40 - Fuse 40 on the fuse box
- T1 - Wiring connector, 1-pin, near the starter
- T1a - Wiring connector, 1-pin, near the starter
- T1b - Wiring connector, 1-pin
- T1c - Wiring connector, 1-pin, behind the instrument panel on the left, for preheating
- T1d - Wiring connector, 1-pin
- T1e - Wiring connector, 1-pin
- T1f - Wiring connector, 1-pin, for rear window wiper and washer relay
- T1g - Wiring connector, 1-pin
- Th - Wiring connector, 1-pin, with additional resistor for fresh air fan
- T1i - Wiring connector, 1-pin, behind dash
- T1k - Wiring connector, 1-pin, for seat belt monitor
- T2 - Wiring connector, 2-pin, on the fresh air fan switch
- T2a, T2b, T2c, T2d, T2e, T2f, T2g, T2h, T2i, T2k, T2l, T2m - Wiring connectors, 2-pin
- T2j - Wiring connector, 2-pin, in engine compartment, front Wiring connector, 2-pin
- T3 - Wiring connector, 3-pin, on the ignition coil
- T3a - Wiring connector, 3-pin, on the engine mount in front
- T3b - Wiring connector, 3-pin, behind the dashboard on the left
- T3c - Wiring connector, 3-pin, on the rear door, near the wiper motor
- T3d - Wiring connector, 3-pin, behind relay box
- T3e - Wiring connector, 3-pin, behind the instrument panel on the left
- T3f - Wiring connector, 3-pin
- T3m - Wiring connector, 3-pin, on the cylinder head on the left
- T4 - Wiring connector, 4-pin, on the fresh air fan switch
- T4a - Wiring connector, 4-pin, near left headlight
- T4b - Wiring connector, 4-pin, near right headlight (not for all engine variants)
- T4c - Wiring connector, 4-pin, behind steering column switch trim
- T4h - Wiring connector. 4-pin, behind steering column switch trim
- T4m - Wiring connector, 4-pin, yellow, in ignition coil
- T5, T5a, T5b - Wiring connector, 5-pin
- T5c - Wiring connector, 5-pin, behind steering column switch trim
- T5d - Wiring connector, 5-pin, for Caddy only
- T5e - Wiring connector, 5-pin, for Polo Classic only
- T5f - Wiring connector, 5-pin, behind steering column switch trim, Caddy only
- T5g - Wiring connector, 5-pin, for Polo Classic only
- T5h - Wiring connector, 5-pin
- T5i - Wiring connector, 5-pin, near Wiper motor A
- T5m - Wiring connector, 5-pin, near the tail light on the right
- T5n - Wiring connector, 5-pin, near the taillight on the left
- T5o, T5p - Wiring connector, 5-pin, in rear door
- T6 - Wiring connector, 6-pin, on the fresh air fan switch
- T6a - Wiring connector, 6-pin, on the fuel pump
- T6b - Wiring connector, 6-pin, behind the instrument panel
- T6e - Wiring connector, 6-pin, left C-pillar
- T6g - Wiring connector, 6-pin, black, in protective housing for wiring connectors
- T7, T7a - Wiring connector, 7-pin
- T7b - Wiring connector, 7-pin, behind steering column switch trim
- T8 - Wiring connector, 8-pin, on the radio
- T8a - Wiring connector, 8-pin, on the radio
- T8b - Wiring connector, 8-pin, behind the instrument panel
- T8c - Wiring connector, 8-pin, on the hazard warning light switch
- T8d - Wiring connector, 8-pin, near right headlight (not on all engine options)
- T9 - Wiring connector, 9-pin, A/C relay, above relay box
- T10 - Wiring connector, 10-pin. on the turn signal switch
- T10a - Wiring connector, 10-pin, black, in protective housing for Wiring Connectors
- T10c - Wiring connector, 10-pin, brown, in protective housing for Wiring Connectors
- T10e - Wiring connector, 10-pin, green in protective housing for Wiring Connectors
- T10f - Wiring connector, 10-pin, purple, in protective housing for Wiring Connectors
- T10g - Wiring connector, 10-pin, red, in protective housing for Wiring Connectors
- T10i - Wiring connector. 10-pin, orange, in a protective housing for wiring connectors
- T10n - Wiring connector, 10-pin, on the engine on the left
- T10p - Wiring connector, 10-pin, on engine
- T10q - Wiring connector, 10-pin, blue, in protective housing for Wiring Connectors
- T10x - Wiring connector, 10-pin
- T10y - Wiring connector, 10-pin, blue, left on A-pillar
- T12 - Wiring connector, 12-pin, on hazard warning light switch
- T14 - Wiring connector, 14-pin, on the engine
- T14a - Wiring connector, 14-pin, on engine
- T14b - Wiring connector, 14-pin, in the engine compartment, left
- T14c - Wiring connector, 14-pin, on engine
- T14n - Wiring connector, 28-pin, on the left side of the engine
- T15 - Wiring connector, 15-pin, on the headlight switch
- T16 - Wiring connector, 16-pin, connection for self-diagnosis on the console at the bottom left
- T17 - Wiring connector, 17-pin
- T18 - Wiring connector, 18-pin, on the left near the radiator
- T24 - Wiring connector, 24-pin, on the left side of the engine
- T25 - Wiring connector, 25-pin
- T28 - Wiring connector, 28-pin, on the instrument panel
- T28a - Wiring connector, 28-pin, on the left side of the engine
- T32 - Wiring connector, 32-pin, blue
- T32a - Wiring connector, 32-pin, green
- T45 - Wiring connector, 45-pin, on the Mono-Motronic control unit
- T50 - Wiring connector. 50 pin
- T68 - Wiring connector, 68-pin, on the Simos system control unit
- T80 - Wiring connector, 80-pin
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