Ground

Ground

Power ground

The following components are grounded to grounding point G37P:

•	Control module and diesel pump, PSG 16 (595)

•	EGR valve (606)

•	Oil level sensor (243)

The following components are grounded to grounding point G30:

•	Control module, glow plugs (596)

Sensor ground

Ground connections via sensor ground control module:

•	Coolant temperature sensor, engine management system (202)

•	Engine oil temperature sensor (559)

•	Pressure and temperature sensor, intake air (407/603)

•	Pedal sensors (379)

•	Crankshaft position sensor (408)

•	Pressure sensor, ambient air (539)

•	Mass air flow sensor (205)

•	Charge air control valve (179a)

•	Control valve, swirl throttle (403)

Diagnosis

If there is no power ground, the engine does not start and the system cannot be contacted with the diagnostic tool, DTC P0380 will be generated.