Audi A4

since 1994 release

Repair and operation of the car



A4 Audi
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ System of an exhaust
+ Cooling system
+ Fuel tank and fuel pump
+ Air filter and channels of absorption
+ System of injection
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
- Electrotechnical equipment
   Minus is connected to weight
   The help for orientation in the electrotechnical equipment of the car
   Wires
   Connections of wires
   Central switching knot
   Support of additional relays
   Box for electronics
   Relay and control units
   Switching relay
   H-contact of the relay of unloading
   Table of the relay and control units
   Safety locks
   Table of safety locks
   - Electric circuits
      + the General electric circuit of Audi A4 with the shestitsilidrovy engine with a working volume of 2,8 l and 128 kW
      The four-cylinder engine with a working volume of 1,6 l and 74 kW
      The four-cylinder engine with a working volume of 1,8 l and 92 kW
      The four-cylinder turbo engine with a working volume of 1,8 l and 110 kW
      Additional complete set (A sliding/removable roof with the electric drive)
      Additional complete set (Central lock)
      The central lock / the infrared control unit of anticreeping system with control of salon
      Additional complete set oil temperature Voltmeter/indicator
      Additional complete set Window regulators with the electric drive
   + Accumulator
   + Generator
   + Starter
+ System of ignition
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics





The four-cylinder engine with a working volume of 1,8 l and 92 kW

Control unit of Motronic system, relay of the fuel pump, sensor of a detonation of II, injection valves, measuring instrument of mass of fresh air

 

 

Control unit of Motronic system, sensor of number of turns of the engine, lambda probe, transformer of a high voltage

 

G2 – the sensor of temperature of cooling liquid
G62 – the sensor of temperature of cooling liquid
G66 – a sensor of a detonation of II
G70 – the measuring instrument of mass of fresh air
J17 – the relay of the fuel pump
J220 – the control unit of Motronic system
N30 – the valve of injection of the cylinder 1
N31 – the valve of injection of the cylinder 2
N32 – the valve of injection of the cylinder 3
N33 – the valve of injection of the cylinder 4
N80 – the 1st electromagnetic valve of system of the coal filter
S228 – a safety lock in an arm
S229 – a safety lock in an arm
S234 – a safety lock in an arm
T3q – the shtekerny socket, 3-shtyrkovy, blue, in a motive compartment at the left
T6z – the shtekerny socket, 6-shtyrkovy, red, station of connection el. boxes
T10m – the shtekerny socket, 10-shtyrkovy, black, station of connection el. boxes, the moistening box
T10z – the shtekerny socket, 10-shtyrkovy, yellow, station of connection el. boxes, the moistening box
D22 – connection with plus (87a – for injection valves) in group of wires in a motive compartment on the right
D23 – connection with plus (87f) in group of wires on the right
12 – a weight point, in a motive compartment at the left
19 – a weight point, near the ignition coil
83 – connection weighing-1-, in group of wires ahead on the right
139 – connection with weight (mass of the sensor), in a motive compartment on the right
E87 – the module of management and the indicator climate. installations
F125 – the multipurpose switch
G40 – the Hall sensor
G61 – a detonation sensor
T189 – system of autocontrol
J217 – the control unit of an automatic transmission
J220 – the control unit of Motronic system
J226 – the relay of blocking of start-up and a lamp of a backing
J338 – the module of management of a butterfly valve
T3p – the shtekerny socket, 3-shtyrkovy, green, at the left
T6z – the shtekerny socket, 6-shtyrkovy, red, station of connection el. boxes, the moistening box
T10 – the shtekerny socket, 10-shtyrkovy, brown
T10v – the shtekerny socket, 10-shtyrkovy, brown, station of sockets on the right, is resistant And
T10x – the shtekerny socket, 10-shtyrkovy, blue, station of sockets on the right, is resistant And
T10y – the shtekerny socket, 10-shtyrkovy

83 – connection weighing-1-, ahead on the right

139 – connection with the mass (sensor), in dvig. compartment on the right

* – cars with an automatic transmission
** – cars with climatic installation
*** – cars with system of autocontrol

D – starter switch
E15 – the switch of the warmed back glass
G28 – the sensor of number of turns
G39 – a lambda probe
J220 – the control unit of Motronic system
J362 – the control unit of system of prevention of departure of the car
N – ignition coil
N122 – the terminal cascade of a wire
N128 – the coil of ignition 2
P – spark plug socket
Q – spark plugs
S232 – a safety lock in an arm
T3m – the shtekerny socket, 3-shtyrkovy, gray, in a motive compartment at the left
T4y – the shtekerny socket, 4-shtyrkovy, black, in a motive compartment on the right
T6z – the shtekerny socket, 6-shtyrkovy, red, station of connection el. boxes, the moistening box
T10 – the shtekerny socket, 10-shtyrkovy, brown, station of connection el. boxes, the moistening box
T10m – the shtekerny socket, 10-shtyrkovy, black, station of connection el. boxes, the moistening box
T10z – the shtekerny socket, 10-shtyrkovy, yellow, station of connection el. boxes, the moistening box
Z19 – heating a lambda probe

A2 – connection with plus (15), in group of wires of a switchboard
A64 – connection (the 30th increase in number of turns), in group of wires of a switchboard
83 – connection weighing-1-, in group of wires ahead on the right
* – conducting is not present in cars with climatic installation