User Manual

Chapter 6
BOSCH HDI EDC 15C2 INJECTION SYSTEM AND PARTICLE FILTER
39
V - FUEL TEMPERATURE SENSOR (1221) - FEATURE
A - ROLE
Role of the injection ECU depending on the information received:
• to adjust the fuel flow,
• to calculate the fuel density.
B - DESCRIPTION
SDI015C
3
3 - Fuel temperature sensor
The sensor consists of a Negative Temperature Coefficient resistor (NTC).
The higher the temperature, the lower its resistance:
• resistance at 20 °C = 3323 ohms,
• resistance at 80 °C = 287 ohms.
C - LOCATION
The fuel temperature sensor measures the temperature of the fuel directly on the
tank return circuit.
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