13B-10
MR-372-J84-13B050$117.mif
V17
Siemens Injection
SID301 and 304
Vdiag No.: 44-45-48-49-4D-4C
Program No.: B1 and B2DIESEL INJECTION
Fault finding – List and location of components13B
Heating elements:
The heating elements are located in the cooling circuit before the additional coolant pump which cools the
turbocharger (Vdiag 45, 49 and 4D only).
Coolant temperature sensor:
The sensor is located on the cylinder head near the engine water chamber.
Air temperature sensor:
The air temperature sensor is located at the air circuit inlet, integrated into the air flowmeter.
Turbocharging pressure sensor solenoid valve:
The solenoid valve is located on the turbocharger.
Catalytic converter:
The catalytic converter is located upstream of the exhaust system and downstream of the turbocharger.
Fuel temperature sensor:
The sensor is located near the injection pump and injector return.
Catalytic converter downstream temperature sensor:
The sensor is located after the catalytic converter.
Turbine upstream temperature sensor:
This sensor is located between the exhaust pipe and the turbocharger.
Cruise control/speed limiter on/off switch:
This switch is located in the passenger compartment to the left of the steering wheel near the lighting dimmer.
Water in diesel fuel sensor (optional):
This sensor is located in the diesel filter.
Fan unit relay:
The relay is located on the cooling radiator.
Accelerator potentiometer:
The potentiometer is located on the accelerator pedal.
Brake pedal switch:
The switch is located on the brake pedal.
Clutch pedal switch:
The switch is located on the clutch pedal.
Heater plugs:
The heater plugs are located on the cylinder head.
Particle filter injector:
The injector is located between the particle filter injector fuel pump and the exhaust pipe. (Vdiag 45, 49 and 4D only)
Electric fuel pump:
The pump is located between the tank and the particle filter injector fuel filter. (Vdiag 45, 49 and 4D only)
