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.
Activation and setpoint values
Vehicle voltage is supplied to the engine control. The engine control contains a DC/DC converter that steps up the voltage required for activation of the injector. The injector is activated by the engine control on the ground side.
| Index | Explanation |
|---|---|
| 1 | High voltage |
| 2 | Injection signal |
| 3 | Time |
| 4 | Injection period |
Observe the following setpoint values for the injector:
| Size | Value |
|---|---|
| Maximum supply voltage | 190 Volts |
| System pressure | 5 to 20 MPa |
| Opening period, closing period | 100 to 200 μs |
| Dynamic flow at 0.4 ms | 14.5 mg/stroke |
| Temperature range | -30 °C to 140 °C |
NO RELATED
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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.