Description of engine OM 607
60
Drive
b
Introduction of the New A-Class, Model Series 176
CDI control unit
Drivetrain control unit
The CDI control unit and the drivetrain control unit
in combination with the OM 607 engine's sensors
and actuators forms the "CONTINENTAL SID 307"
engine control system.
The CDI control unit actuates and coordinates the
input signals for the following system and functions
accordingly:
• Fuel supply
• Glue system control
• Injection quantity control
• Diagnosis and fault storage
• Drive authorization system (DAS) and
immobilizer
• Thermal management
• Torque harmonization interface
• Exhaust gas recirculation
• Exhaust treatment
The drivetrain control unit is located at the front left
behind the instrument panel.
The drivetrain control unit on the OM 607 engine
acts as an interface between the CDI
engine control unit and the CAN network.
The following components, functions and systems
are controlled and coordinated:
• Alternator control
• Fuel preheating
• Radiator shutters
• Fan motor
• Manual transmission position sensor
• ECO start/stop function
• Engine start
i
Note
The CDI control unit is mounted to the air filter
housing and it is equipped with an internal atmo-
spheric pressure sensor.
P54.21-3301-00
N3/9 CDI control unit
P54.21--3317-00
N 127 Drivetrain control unit
– This printout will not be recorded by the update service. Status: 06 / 2012 –