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Vectra A (1988-1995, petrol) Vectra A (1988-1995) Vectra B (1995-2002, petrol) Vectra B (1995-2002) Vectra C (2002-2008)
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  • Vectra
  • Vectra A
  • Electrical equipment
  • Electrical circuits
  • Scheme 3. Fuel injection system Multec and Motronic

Scheme 3. Fuel injection system Multec and Motronic (Opel Vectra A)

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E63Instrument lighting
F11Fuse in the fuse box
F19Fuse in the fuse box
H27Signal buzzer
K20Electronic ignition coil control unit
K57Muttec engine and injection system control computer
K58Fuel pump relay
K61Motronic injection system computer
K68Fuel injection system relay
K83All-wheel drive control unit
L1Ignition coil
L2Ignition coil (direct ignition)
M21Fuel pump
M33Idle speed control solenoid valve
M66Stepper motor idle "uu"
P13Ambient air temperature sensor
P23Intake manifold vacuum sensor
P29Intake Manifold Air Temperature Sensor
R30Coolant temperature sensor
R32Heated lambda probe
R33Lambda probe
R34Throttle potentiometer
R35Crankshaft position and speed sensor
R44Air flow pressure sensor
R46Knock sensor
R47Hall sensor
R61Oil temperature sensor (on the gearbox)
S531st gear switch
S89Seat belt switch
S117Hydraulic pressure switch
U14Dual indicator
V14Knock signal filter
V15Exhaust Gas Recirculation Booster
X514-pin connector (dashboard and engine)
X651-pin connector (dashboard and body)
X82-pin connector (multec instrument panel and search system)
X96-pin connector (instrument panel and Motronic/Multec injection system)
X116-pin connector (instrument panel and Multec injection system)
X13Diagnostic connector (10 pin)
X165-pin connector (instrument panel)
X382-pin connector (body and fuel pump) (except for all-wheel drive Calibra vehicles)
X611-pin connector (motronic engine and fuel injection systems)
X622-pin connector (multec engine and fuel injection systems)
Y7Fuel injectors
Y11Hot start solenoid valve
Y12Load regulator pressure changeover valve
Y18Exhaust gas recirculation solenoid valve
Y32Fuel injector
Y33Distributor
Y34Fuel tank ventilation valve
Y44All-wheel drive solenoid valve


This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
Checking the article: Zinoviev Kirill

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Previous articles
Opel Vectra A: Electrical circuits
Next articles

Scheme 2. Central fuel injection system
Scheme 1. Battery, starter, generator, heater, fan, ignition, instruments
Designations on electrical diagrams
Self-discharge of the battery
Charging the battery
Maintenance free batteries
Scheme 4. Fuel filter heating, trip computer, automatic transmission
Scheme 5. Light switches, headlights, side lights, interior lighting
Scheme 6. Windscreen wipers, windscreen washers, heated seats, horn
Scheme 7. Instruments, control unit, external mirrors, radio
Scheme 8. Central lock, alarm, immobilizer, window lifts
Scheme 9. Air conditioner, radiator fan


See similar ones from other Opel car manuals:
▶ Scheme 4. Multec fuel injection system and engine control… Opel Frontera B (1998-2004)
▶ Multec Single Point Fuel Injection System Components —… Opel Astra F (1991-1998, petrol)
▶ Checking and adjusting the GM «Multec SPI» fuel injection… Opel Kadett E (1984-1995)
▶ Bosch Motronic ML4 Fuel Injection System Components —… Opel Omega A (1986-1993)
▶ General information about the fuel injection system of a… Opel Corsa B (1993-2000)
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Vectra C (2002-2008) 
  • General information
  • User manual
  • Vehicle device
  • Maintenance
  • Troubleshooting
  • Power unit
  • Engine repair
  • Cooling system
  • Power and control system
  • Engine electrics
  • Transmission
  • Clutch
  • Car gearbox
  • Drive shafts
  • Chassis
  • Car suspension
  • Steering
  • Brake system
  • Body
  • Exterior
  • Interior
  • Doors, locks and windows
  • Heating and ventilation
  • Electrical equipment
  • Equipment and devices
  • Headlights and lighting
  • Electrical circuits
Vectra B (1995-2002) 
  • General information
  • User manual
  • Weekly checks
  • Maintenance (gasoline)
  • Maintenance (diesel)
  • Troubleshooting
  • Power unit
  • SOHC gasoline engine
  • DOHC petrol engine
  • Diesel engine 1.7 liter
  • Diesel engine 2.0 liters
  • Engine repair
  • Cooling system
  • Fuel system (gasoline)
  • Fuel system (diesel)
  • Charging system
  • Launch system
  • Ignition and preheat
  • Transmission
  • Clutch
  • Mechanical gearbox
  • Automatic gearbox
  • Drive shafts
  • Chassis
  • Brake system
  • Wheel suspension
  • Steering
  • Body
  • Exterior
  • Interior
  • Doors and windows
  • Heating and ventilation
  • Electrical equipment
  • Equipment and devices
  • Electrical circuits
Vectra B (1995-2002, petrol) 
  • General information
  • Maintenance
  • Help with malfunctions
  • Power unit
  • Engine repair
  • Exhaust system
  • Cooling system
  • Fuel system
  • Multec injection system
  • Four point injection
  • Transmission
  • Clutch
  • Gearbox and drive
  • Chassis
  • Wheel suspension
  • Steering
  • Brake system
  • Wheels and tires
  • Body
  • Exterior
  • Interior
  • Electrical equipment
  • Fuses and electronics
  • Power devices
  • Ignition system
  • Lighting and signaling
  • Equipment and devices
  • Heating and ventilation
  • Electrical circuits
Vectra A (1988-1995) 
  • Power unit
  • Engine repair
  • Ignition system
  • Lubrication system
  • Cooling system
  • Injection system
  • Fuel system (carburetor)
  • Fuel system (diesel)
  • Exhaust system
  • Transmission
  • Clutch
  • Car gearbox
  • Chassis
  • Front suspension
  • Rear suspension
  • Steering
  • Brake system
  • Wheels and tires
  • Body
  • Exterior
  • Interior
  • Electrical equipment
  • Electrical circuits
Vectra A (1988-1995, petrol) 
  • General information
  • User manual
  • Maintenance
  • Power unit
  • SOHC engine
  • DOHC engine
  • Cooling and ventilation
  • Fuel system (carburetor)
  • Fuel system (injector)
  • Exhaust converter
  • Transmission
  • Clutch
  • Mechanical gearbox
  • Automatic gearbox
  • Drive shafts
  • Chassis
  • Brake system
  • Car suspension
  • Steering
  • Body
  • Body elements
  • Electrical equipment
  • Power devices
  • Equipment and devices
  • Electrical circuits
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