Audi A3

Since 1997 of release

Repair and car operation



Audi A3
+ The maintenance instruction
+ Current leaving and service
+ The engine
+ Systems of cooling, heating
+ The power supply system and release of the fulfilled gases
- Engine electric equipment
   - System of electronic control by ignition and injection
      Self-diagnostics of systems of electronic control of second generation OBD II
      Ignition system
      Checks of system of ignition and injection
      Spark plugs
   + Charge and start systems
+ Manual box of a gear change
+ Automatic transmission and models with a full drive
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Electroschemes





System of electronic control by ignition and injection

THE GENERAL DATA

Kind on a compartment of the petrol engine of 1.6 l and the list of elements of a control system (on an illustration are shown not all)

1 - the Gauge of position of a cam-shaft – CMP
2 - the D/switch of the closed position throttle заслонки – CTP
3 - the D/switch of a pedal of coupling – CPP
4 - the position Gauge коленвала – the CKP/gauge of turns of the engine – RPM
5 - the Socket of a line of the data – DLC – the central console
6 - the engine management Block – ECM
7 - the Gauge of temperature of a cooling liquid – ECT
8 - the Valve of a purge of an adsorber – EVAP
9 - the Fuel filter – outside of a tank
10 - the Regulator of pressure of fuel
11 - the fuel pump Built in a tank
12 - the Relay of the fuel pump – a box of the relay of the forward panel, a position 4
13 - Warmed up? – A probe – HO2S – докаталитический
14 - the Activator of management of turns х.х. – ISC
15 - the Gauge of position of the activator of management of turns х.х. – ISC
16 - the ignition Amplifier
17 - the ignition Coil
18 - Injectors
19 - the Gauge of temperature of soaked up air – IAT, till 98
20 - the Gauge of temperature of soaked up air – IAT, after 98
21 - the E/magnet of management of air of the inlet pipeline
22 - the detonation Gauge
23 - Measuring instrument Hм ссы air – MAF
24 - the pressure D/switch in system of hydrostrengthening of a wheel – PSP
25 - Knot of management throttle заслонкой
26 - the Gauge of position throttle заслонки – TP
27 - the Gauge of speed of the car – VSS – on transmission

Kind on a compartment of the petrol engine of 1.8 l without a turbo-supercharging and the list of elements of a control system (on an illustration are shown not all)

1 - the Gauge of position of a cam-shaft – CMP
2 - the Activator of position of a cam-shaft
3 - the D/switch of the closed position throttle заслонки – CTP
4 - the D/switch of a pedal of coupling – CPP
5 - the position Gauge коленвала – the CKP/gauge of turns of the engine – RPM
6 - the Socket of a line of the data – DLC – the central console
7 - the engine management Block – ECM
8 - the Gauge of temperature of a cooling liquid – ECT
9 - the Valve of a purge of an adsorber – EVAP
10 - the Fuel filter – outside of a tank
11 - the Regulator of pressure of fuel
12 - the fuel pump Built in a tank
13 - the Relay of the fuel pump – a box of the relay of the forward panel, a position 4
14 - Warmed up? – A probe – HO2S – докаталитический
15 - the Activator of management of turns х.х. – ISC
16 - the Gauge of position of the activator of management of turns х.х. – ISC
17 - the ignition Amplifier
18 - the ignition Coil
19 - Injectors
20 - the Gauge of temperature of soaked up air – IAT, till 98
21 - the Gauge of temperature of soaked up air – IAT, after 98
22 - the E/magnet of management of air of the inlet pipeline
23 - the detonation Gauge
24 - Measuring instrument Hм ссы air – MAF
25 - the pressure D/switch in system of hydrostrengthening of a wheel – PSP
26 - Knot of management throttle заслонкой
27 - the Gauge of position throttle заслонки – TP
28 - the Gauge of speed of the car – VSS – on transmission

Kind on a compartment of the petrol engine of 1.8 l with a turbo-supercharging and the list of elements of a control system (on an illustration are shown not all)

1 - the Gauge of atmospheric pressure – BARO
2 - the Gauge of position of a cam-shaft – CMP
3 - the D/switch of the closed position throttle заслонки – CTP
4 - the D/switch of a pedal of coupling – CPP
5 - the position Gauge коленвала – the CKP/gauge of turns of the engine – RPM
6 - the Socket of a line of the data – DLC – the central console
7 - the engine management Block – ECM
8 - the Gauge of temperature of a cooling liquid – ECT
9 - the Valve of a purge of an adsorber – EVAP
10 - the Fuel filter – outside of a tank
11 - the Regulator of pressure of fuel
12 - the fuel pump Built in a tank
13 - the Relay of the fuel pump – a box of the relay of the forward panel, a position 4
14 - Warmed up? – A probe – HO2S – докаталитический
15 - the Activator of management of turns х.х. – ISC
16 - the Gauge of position of the activator of management of turns х.х. – ISC
17 - the ignition Amplifier
18 - the ignition Coil
19 - Injectors
20 - the Gauge of temperature of soaked up air – IAT
21 - the detonation Gauge
22 - Measuring instrument Hм ссы air – MAF
23 - the pressure D/switch in system of hydrostrengthening of a wheel – PSP
24 - Knot of management throttle заслонкой
25 - the Gauge of position throttle заслонки – TP
26 - the Valve of adjustment of dump турбокомпрессора – TC
27 - the Gauge of speed of the car – VSS – on transmission

Kind on a compartment of diesel engine TDI and the list of elements of a control system (on an illustration are shown not all)

1 - the Gauge of temperature of fuel
2 - the Gauge of position of the fuel lever
3 - an atomizer E/magnet
4 - the E/magnet of adjustment of quantity of fuel
5 - e / the Magnetic valve отсечки fuel
6 - Measuring instrument Hм ссы air
7 - the Gauge of absolute pressure in the pipeline
8 - the Gauge of temperature of soaked up air
9 - the E/magnet of management of pressure турбокомпрессора
10 - the Gauge of atmospheric pressure – in the engine management block
11 - the Gauge of temperature of a cooling liquid
12 - the Gauge of turns of the engine
13 - the Gauge of lifting of a needle of an atomizer
14 - the E/magnet recycling the fulfilled gases
15 - the System relay – №5 in the panel of the relay of the instrument panel
16 - the Relay of candles накаливания – in a box of the relay of the instrument panel, a position 4
17 - the engine management Block
18 - the Gauge of speed of the car
19 - the Gauge of position of a pedal of an accelerator – over a pedal
20 - the Diagnostic socket – the central console
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