Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
CDI engine stop control, function - GF07.16-P-3013P
ENGINES 642 in MODEL 219.3, 209.3, 211.0/2, 209.4, 211.6
ENGINES 642 in MODEL 461.3
ENGINES 642.9 in MODEL 463.3
ENGINES 642 in MODEL 164.1/8, 251.1, 203.2/0, 251.0 up to model year 2008/YoM 07
The CDI control unit (N3/9) receives the message "terminal 15 OFF" via the Controller Area Network bus Class C (engine compartment) (CAN-C) from the EIS [EZS] control unit (N73) (except model 461) or from the ignition/starter switch (S2/1) (model 461). The CDI control unit reacts by actuating the fuel injectors (Y76).
It also de-energizes the quantity control valve (Y94) and pressure regulator valve (Y74). In this way the rail pressure is reduced. The engine stops.
If for model 461 the coolant temperature according to "terminal 15 OFF" lies above 110°C, the engine coolant circulation pump (M45) is actuated by the run-on cooling circulation pump microswitch until the coolant temperature is under 110°C.
| Component description for fuel injector | Y76 | GF07.03-P-6120P |
| Component description for crankshaft Hall sensor | B70 | GF07.04-P-6220P |
| Component description for rail pressure sensor | B4/6 | GF07.04-P-6210P |
| Component description for quantity control valve | Y94 | GF07.05-P-6010P |
| Pressure regulator valve, component description | Y74 | GF07.05-P-6020P |
| Component description for CDI control unit | Model 203, 209 N3/9 |
GF07.16-P-6000P |
| Model 211, 219 N3/9 |
GF07.16-P-6000T | |
| Model 164, 463 N3/9 |
GF07.16-P-6000GZ | |
| Model 251 N3/9 |
GF07.16-P-6000RT | |
| Model 461 N3/9 |
GF07.16-P-6000GX |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.