Repair and operation of the Mercedes S-Class W-220 c car of 1998 - ignition and engine management System//S-class Mercedes / keramicheskoy-plitki.ru

Mercedes S-Class W-220

since 1998 of release

Repair and car operation



W220 Mercedes
+ Mercedes-Benz Cars of a class S (W220)
+ Operation manual
+ Routine maintenance
+ Engine
+ cooling and heating Systems
+ Power supply system and release
- Engine electric equipment
   - Ignition and engine management system
      Basic elements of system of microprocessor management
      Checks of a control system by ignition and injection
      Search of malfunctions - the general information and preliminary checks
      Check and adjustment of a corner of an advancing of ignition
      Spark plugs
      Self-diagnostics of systems of electronic control of the second generation of OBD II
      The controler of interface of the personal computer with onboard system of self-diagnostics of OBD II according to protocols of the SAE standards (PWM and VPW) and ISO 9141-2
      Oscillograph application for supervision of signals in chains of control systems
      Digital tire of data of CAN
   + charge and start Systems
+ Automatic transmission
+ Power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ electric equipment Cхемы






Ignition and engine management system

Basic elements of system of microprocessor management

Elements of management of engines 112, 113

1 — the Electromagnet of adjustment of the right cam-shaft
2 — the Pump of system of a podmeshivaniye of air (AIR)
3 — the Thermometric sensor of weight of air (MAF)
4 — the Electronic accelerator / Tempostat / the Regulator х.х. (EA/CC/ISC)
5 — the Sensor of temperature of soaked-up air (IAT)

6 — the Sensor of position of the crankshaft (CKP)
7 — the Sensor of temperature of cooling liquid (ECT)
8 — the cam-shaft Sensor on effect of the Hall
9 — the Electromagnet of adjustment of the left cam-shaft
10 — the Valve of switching of the pump of system of a podmeshivaniye of air (AIR)


Elements of a control system of ignition and injection of engines 112, 113

1 — the ignition No. 4 Coil
2 — the ignition No. 3 Coil
3 — the ignition No. 2 Coil
4 — the ignition No. 1 Coil
5 — Fuel injectors
6 — Д / the switch of level of oil

7 — the Sensor of a detonation 1 (the right side of the engine)
8 — the Sensor of a detonation 2 (the left side of the engine)
9 — the ignition No. 8 Coil
10 — the ignition No. 7 Coil
11 — the ignition No. 6 Coil
12 — the ignition No. 5 Coil


Arrangement of control units in the car

1 — the Base module
2 — the Control unit the ME-SFI engine
3 — a control unit Box

4 — the Module of the relay of the fuel pump
5 — the Module of the relay of system of a podmeshivaniye of air (AIR)


Control unit sockets engine and purpose of contacts

1А — Left verkhnepotochny warmed up a lambda probe (1)
2А — the Supply voltage (a contour 87), is protected by a safety lock
3А — Grounding
4А —
5А — Right verkhnepotochny warmed up a lambda probe (1)
6А — Management of the fan of systems of cooling of the engine / климат-контроля
7А — Grounding
8А — Grounding
1В — Right nizhnepotochny warmed up a lambda probe (2) (only the USA)
2В — Left nizhnepotochny warmed up a lambda probe (2) (only the USA)
3В — the Diagnostic DLC socket
4В — Supply voltage (a contour 30)
1С ÷ 20С —
21С — the Valve of a purge of an adsorber
22С — the Sensor of provision of a pedal (+ a potentiometer of nominal rate 1)
23С — the Sensor of provision of a pedal (-a potentiometer of nominal rate 1)
24С — the Sensor of provision of a pedal (a potentiometer of nominal rate 1 cleaner)
25С — the Sensor of provision of a pedal (a potentiometer of nominal rate the 2nd cleaner)
26С — the Sensor of provision of a pedal (-a potentiometer of nominal rate 2)
27С — the Sensor of provision of a pedal (+ a potentiometer of nominal rate 2)
28С — the Module of the relay of the air pump of AIR system (only the USA)
29С — the Module of the relay of the fuel pump (К27)
30С —
31С — Grounding right verkhnepotochny a lambda probe 1
32С — the Signal right verkhnepotochny a lambda probe 1
33С — the Signal left verkhnepotochny a lambda probe 1
34С — Grounding left verkhnepotochny a lambda probe 1
35С ÷ 37С —
38С — the Diagnostic socket (a signal of turns of the engine)
39С — the Diagnostic socket (ME-SFI DTC)
40С — the Signal (a contour 50)
1D — the Module of the relay of the fuel pump (К27)
2D — the Valve of shutdown of a coal adsorber (only the USA)
3D — the starter Relay
4D — Grounding of the sensor of pressure in a fuel tank (only the USA)
5D — the Signal of the sensor of pressure in a fuel tank (only the USA)
6D — tension Giving 5В for the pressure sensor in a fuel tank (only the USA)
7D — Grounding right nizhnepotochny a lambda probe (only the USA)
8D — the Signal right nizhnepotochny a lambda probe (only the USA)
9D — the Signal left nizhnepotochny a lambda probe (only the USA)
10D — Grounding left nizhnepotochny a lambda probe (only the USA)
11D — the Tyre of data of CAN "N"
12D — the Tyre of data of CAN "L"
13D — Adjustment of variable turns (only without DAS 3)
14D ÷ 15D —
16D — a collision Signal
17D ÷ 18D —
19D — Definition of the provisions R/N AT
20D — the Switch темпостата (acceleration/installation) (only without DAS 3)

21D — the Switch темпостата (braking engine/installation) (only without DAS 3)
22D — the Switch темпостата (return) (only without DAS 3)
23D — the Switch темпостата (control contact) (only without DAS 3)
24D — the Switch темпостата (off) (only without DAS 3)
1Е — a cylinder No. 6 Injector
2Е — a cylinder No. 3 Injector
3Е — a cylinder No. 7 Injector
4Е — a cylinder No. 8 Injector
5Е — the EGR Valve switch
6Е ÷ 9Е —
10Е — the Valve switch of the air pump of AIR system (only the USA)
11Е —
12Е — the Resonant valve switch of the inlet pipeline
13Е — a cylinder 4 Injector
14Е — a cylinder 2 Injector
15Е — Tension 5В, the sensor of level/temperature/quality of oil
16Е — Grounding of the sensor of level/temperature/quality of oil
17Е — the Signal of the sensor of level/temperature/quality of oil
18Е ÷ 20Е —
21Е — the Signal of the sensor switch of pressure of oil
22Е — Tension 5В the pressure sensor (only the USA)
23Е — the Signal of the sensor of pressure (only the USA)
24Е — Grounding of the sensor of pressure (only the USA)
25Е — a cylinder 1 Injector
26Е — a cylinder 5 Injector
27Е — the Relay of the air pump AIR in the relay module (only the USA)
28Е — Grounding of the sensor of temperature of cooling liquid (ECT)
29Е — the Signal of the sensor of temperature of cooling liquid (ECT)
30Е —
31Е — the Actuation mechanism of an electronic pedal of gas / темпостата / systems of stabilization of turns of idling (EA/CC/ISC) (a potentiometer of the current value 1 cleaner)
32Е — the Actuation mechanism of an electronic pedal of gas / темпостата / systems of stabilization of turns of idling EA/CC/ISC (relevance potentiometer grounding)
33Е — Supply voltage of a potentiometer of relevance
34Е — the Actuation mechanism of an electronic pedal of gas / темпостата / systems of stabilization of turns of idling EA/CC/ISC (relevance potentiometer the 2nd grounding)
35Е ÷ 36Е —
37Е — CKP sensor Grounding
38Е — a CKP sensor Signal
39Е — Grounding of the sensor of effect of the Hall of a camshaft
40Е — the Signal of the sensor of effect of the Hall of a camshaft
41Е — Grounding of the sensor of a detonation of 1 (KS1) (on the right on the engine)
42Е — the Signal of the sensor of a detonation of 1 (KS1) (on the right on the engine)
43Е — Grounding of the sensor of a detonation of 2 (KS2) (on the right on the engine)
44Е — the Signal of the sensor of a detonation of 2 (KS2) (on the right on the engine)
45Е — the Sensor of temperature of soaked-up air (IAT) (it is built in the film sensor of weight of air [MAF])
46Е — Supply voltage 5В the film MAF sensor
47Е — the Signal 5В the film MAF sensor
48Е — Grounding 5В the film MAF sensor
1F — the Actuation mechanism of systems of electronic acceleration / темпостата / stabilization of turns of idling (EA/CC/ISC) (-)
2F — the Actuation mechanism of EA/CC/ISC systems (+)
3F —
4F — the Coil of ignition of the 3rd T1/3 cylinder b
5F — the Coil of ignition of the 3rd T1/3 cylinder and
6F — the Coil of ignition of the 4th T1/4 cylinder and
7F — the Coil of ignition of the 4th T1/4 cylinder b
8F — Grounding
9F — the Coil of ignition of the 8th T1/8 cylinder b
10F — the Coil of ignition of the 8th T1/8 cylinder and
11F — the Coil of ignition of the 7th T1/7 cylinder b
12F — the Coil of ignition of the 7th T1/7 cylinder and
13F — the Coil of ignition of the 5th T1/5 cylinder and
14F — the Coil of ignition of the 5th T1/5 cylinder b
15F — Grounding
16F — the Coil of ignition of the 6th T1/6 cylinder b
17F — the Coil of ignition of the 6th T1/6 cylinder and
18F — the Coil of ignition of the 2nd T1/2 cylinder b
19F — the Coil of ignition of the 2nd T1/2 cylinder and
20F — the Coil of ignition of the 1st T1/1 cylinder and
21F — the Coil of ignition of the 1st T1/1 cylinder b


Basic elements of electric equipment, arrangement of control units are presented by ignition and injection of fuel, sensors, valves and elements of a drive on illustrations.

Arrangement of the basic electric elements in the car

Control unit arrangement the engine (under a cowl on the right, behind)

Dual coils of ignition for two spark plugs And and In one cylinder

Coils of ignition of candles of the 1st cylinder (the right side of the engine)

Coils of ignition of candles of the 5th cylinder (the left side of the engine)

The pressure sensor in a fuel tank (a forward, central part of a luggage carrier)

Sensor of pressure В28 (forward, top part of the engine)

Thermometric measuring instrument of weight of soaked-up air (back, central part of the engine)

Sensor of pressure of oil (right side of the engine, from below)

Sensor of a pedal of an accelerator

Sensor of position of the crankshaft (the left back part of the engine)

Sensor of the Hall of a camshaft (the right forward part of the engine)

Sensor of speed of the car forward right (wheel arch)

Sensor of speed of the car back right (wheel arch)

The sensor of the parking brake (on a pedal of the parking brake)

The sensor of temperature of cooling liquid - ECT (a forward part of the engine)

The sensor of level of cooling liquid on a broad tank

The sensor of level of brake liquid (on the tank - an impellent compartment at the left)

Detonation sensors

Diagnostic socket

Left dokataliticheskiya lambda probe

Right dokataliticheskiya lambda probe

Cylinder 1 injector (the right side of the engine)

Valve of an otsechka of the left number of cylinders (the left side of the engine)

Valve of an otsechka of the right number of cylinders (the right side of the engine)

The valve of switching of the pump of system of a podmeshivaniye of air in an exhaust (a forward part of the engine)

Valve of management of a purge of a coal adsorber (the left, back part of an impellent compartment)

The transmitter of vacuum of the valve of a retsirkulyatsiya of the fulfilled gases (back part of a digatel)

Left post-catalytic lambda probe

Right post-catalytic lambda probe