Passat B2 (1981-1988)
Passat B3 (1988-1993)
Passat B4 (1988-1996)
Passat B5 (1996-2005)
Passat B6 (2005-2010)
Digital diesel engine control system Volkswagen Passat B4
Digital engine management system «1Z» AND «AFN»
The engines use a digital control system, the composition of which is basically the same as that of the injection systems of gasoline engines. The system includes an air flow...
The engines use a digital control system, the composition of which is basically the same as that of the injection systems of gasoline engines. The system includes an air flow...
The device and principle of operation of the digital diesel control system
On vehicles with engine model «1Z» applied digital diesel control system (Tssud). The operation of the system is based on the regulation of the fuel supply depending on the speed...
On vehicles with engine model «1Z» applied digital diesel control system (Tssud). The operation of the system is based on the regulation of the fuel supply depending on the speed...
Checking and adjusting the TsSU
Removal and installation of injection pump, setting the fuel injection advance angle. These operations are performed as indicated above in the corresponding subsection for diesel...
Removal and installation of injection pump, setting the fuel injection advance angle. These operations are performed as indicated above in the corresponding subsection for diesel...
Removal and installation of nozzles
To remove, disconnect the cable from the negative battery terminal. Disconnect the high pressure fuel lines from the injectors. Note. To prevent accidental damage to the high...
To remove, disconnect the cable from the negative battery terminal. Disconnect the high pressure fuel lines from the injectors. Note. To prevent accidental damage to the high...
Checking the injection start pressure of the injectors
Warning. When checking the injection start pressure, take care to protect your hands from high pressure fuel jet, which can cause serious injury. Attach the injector to the jig...
Warning. When checking the injection start pressure, take care to protect your hands from high pressure fuel jet, which can cause serious injury. Attach the injector to the jig...
Injector leak test
Attach the injector to the jig with a manometer to check the injection pressure. By slowly moving the device pump handle down, create a pressure on the pressure gauge of about 150...
Attach the injector to the jig with a manometer to check the injection pressure. By slowly moving the device pump handle down, create a pressure on the pressure gauge of about 150...
Checking the air flow meter and intake air temperature sensor
Slide the protective cover of the air flow meter connector to access the wires. Without disconnecting the connector, connect a voltmeter to the terminals «2» and «3» (pic. 3-54)....
Slide the protective cover of the air flow meter connector to access the wires. Without disconnecting the connector, connect a voltmeter to the terminals «2» and «3» (pic. 3-54)....
Checking the fuel temperature sensor
Place the instrument and starter switch key in position «Turned off». Disconnect the MCC wire harness connector (pic. 3-55). Check the resistance of the fuel temperature sensor by...
Place the instrument and starter switch key in position «Turned off». Disconnect the MCC wire harness connector (pic. 3-55). Check the resistance of the fuel temperature sensor by...
Checking the injection advance slider potentiometer
Place the instrument and starter switch key in position «Turned off». Disconnect the MCC wire harness connector (pic. 3-55). Measure the resistance of the potentiometer by...
Place the instrument and starter switch key in position «Turned off». Disconnect the MCC wire harness connector (pic. 3-55). Measure the resistance of the potentiometer by...
Checking the speed controller
Place the instrument and starter switch key in position «Turned off». Disconnect the MCC wire harness connector (pic. 3-55). Connect an ohmmeter to the leads «1» and «7» pads and...
Place the instrument and starter switch key in position «Turned off». Disconnect the MCC wire harness connector (pic. 3-55). Connect an ohmmeter to the leads «1» and «7» pads and...
Checking the electrical circuits of the central control room
Checking the electrical circuits of the system is carried out at the terminals of the connector disconnected from the computer. Warning. It is forbidden to connect the probes of...
Checking the electrical circuits of the system is carried out at the terminals of the connector disconnected from the computer. Warning. It is forbidden to connect the probes of...
Checking the voltage in the preheating system
If the cold engine does not start, check the voltage at the battery terminals. If the voltage is less than 12 V, recharge the battery. Check voltage supply to spark plugs. Connect...
If the cold engine does not start, check the voltage at the battery terminals. If the voltage is less than 12 V, recharge the battery. Check voltage supply to spark plugs. Connect...
Checking spark plugs
Disconnect the spark plug terminal or wire and connect an ohmmeter to the spark plug lead and to the threaded portion of the spark plug body, or connect a test light to the...
Disconnect the spark plug terminal or wire and connect an ohmmeter to the spark plug lead and to the threaded portion of the spark plug body, or connect a test light to the...
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Power unit: Control system (petrol) Volkswagen Golf 4 (1997-2004)
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Passat B6
Passat B5
Passat B4
Passat B3
Passat B2
- General information
- User manual
- Maintenance
- Petrol engine 1.6L
- Engine repair
- Cooling and lubrication system
- Fuel injection system
- Petrol engine 2.0L
- Engine repair
- Lubrication system
- Cooling system
- Fuel and exhaust systems
- Diesel engine 2.0L
- Engine repair
- Cooling and lubrication system
- Fuel and exhaust systems
- Transmission
- Clutch
- Mechanical gearbox
- Automatic gearbox
- Drive shafts
- Chassis
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- General information
- User manual
- Weekly checks
- Maintenance
- Power unit
- Engine repair
- Cooling system
- Fuel system (petrol)
- Fuel system (diesel)
- Engine management
- Exhaust system
- Transmission
- Clutch
- Car gearbox
- Drive shafts
- Chassis
- Car suspension
- Wheels and tires
- Steering
- Brake system
- Body
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- General information
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- Technical data
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- Engine repair
- Cooling and lubrication system
- Supply system
- Ignition system
- Fuel injection «Mono-Jetronic»
- Control system «Mono-Motronic»
- Control system «Digifant»
- Control system «Simos»
- 16-valve engine
- Engine repair
- Cooling and lubrication system
- Fuel injection «K-Jetronic»
- Control system «KE-Motronic»
- Control system «Digifant»
- Diesel engine
- Engine repair
- Cooling and lubrication system
- Power and control system
- Turbocharging system
- Digital control system
- Transmission
- Clutch
- Manual gearbox
- Hydromechanical gearbox
- Front wheel drive
- Chassis
- Car suspension
- Steering
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- Body
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- Electrical equipment
- Power devices
- Lighting and appliances
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- General information
- User manual
- Driving Tips
- Maintenance instructions
- Technical data
- Power unit
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- Equipment and devices
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- Electrical circuits
- General information
- Introduction to instructions
- User manual
- Power unit
- Engines 4-cylinder FZ
- Engines 4-cylinder
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- Front wheel drive
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- Equipment and devices
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