User Manual

Chapter 4
BOSCH HDI EDC 15C2 INJECTION SYSTEM AND PARTICLE FILTER
16
IV - ELECTRIC FUEL HEATER (1276)
A - ROLE
The fuel heater raises the fuel to its usage temperature.
B - DESCRIPTION
SDI003C
2 1
The fuel heater heats the fuel from the fuel tank.
The fuel heater consists of a heating resistor.
The temperature is regulated by a thermostat:
• fuel temperature of -2 (+/-2)°C: fuel heater activated,
• fuel temperature of +3 (+/-2)°C: fuel heater deactivated.
C - ELECTRIC FEATURES
Allocation of connector channels:
• channel 1: 12 volts (+ ignition on),
• channel 2: earth.
Power: 150 W.
D - LOCATION
The fuel heater is located on the fuel filter inlet pipe.
V - LOW PRESSURE PUMP SUPPLY CUT-OFF
The airbag ECUs incorporate the low pressure pump cut-off function (inertia switch
discontinued).
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