Mercedes C-Class

W203 since 2000 of release

Repair and operation of the car


Mercedes-Benz
+ Mercedes-Benz cars of class C (W-203)
+ Operation manual
+ Routine maintenance
+ Engine
+ Cooling system and heating
+ Power supply system and release
- Engine electric equipment
   + System of ignition and engine management
   + System of preheat of the diesel engine
   - Diagnostics of systems of electronic control and diagnostic equipment
      Diagnostics of electronic control systems of the engine, injection, ignition and auxiliary brake systems
      The controller of interface of the personal computer to onboard system of self-diagnostics of OBD II under protocols of the SAE standards (PWM and VPW) and ISO 9141-2
      Diagnostics of electronic system of the automatic air conditioner (AC)
      Application of an oscillograph for observation of signals in chains of control systems
   + Systems of a charge and start
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment


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Diagnostics of electronic control systems of the engine, injection, ignition and auxiliary brake systems

The list of codes is provided in Specifications.

Arrangement of the 16-contact diagnostic socket

16-contact diagnostic socket of system of onboard diagnostics of OBD II


Purpose of contacts of the 16-contact diagnostic socket

conclusion No.

Appointment

1
—
2
—
3
TNA signal
4
Connection with the case, C. 31
5
The case - an alarm conclusion, C. 31
6
Tire of data of CAN high level
7
Electronics of the engine (ME)
8
Food, C. 87
9
The Antiprobuksovochny and stabilizing system (ETS)
10
—
11
Control unit of transmission (ETC)
12
The activity module (AAM – All Activity Module)
13
Security systems
14
Tire of data of CAN Low level
15
IC control panel
16
Plus batteries through a safety lock. Energized at any position of the lock of ignition, C. 30