Workshop Manuals Factory service & repair Fiat
Fiat Seicento Factory Service Manual (1998-2010)13 · Tests
13 · General

C - intake air temperature sensor operation check

Make
Fiat
Model
Seicento Factory Service Manual
Year
1998–2010
Section
Engine › C - intake air temperature sensor operation check
TestsC - intake air temperature sensor operation check
Measurement Value
Actuator windings resistance (Ω) at 23 °C Pin 1-4 53
Pin 2-3 53
Diagram showing the electrical circuit connections for the actuator windings, with pins labeled 1 through 4 and a voltage source +Vb.

C - INTAKE AIR TEMPERATURE SENSOR OPERATION CHECK

  • Disconnect the battery negative (-) terminal.
  • Disconnect the electrical connection from the intake air temperature sensor.
Name Code
Intake air temperature sensor K42
  • Use a tester to check that the intake air temperature sensor resistance corresponds to the specified value.
Measurement Value
Intake air temperature sensor (Ω) at 25° C 3000±5%
Graph plotting resistance in Ohms (Ω) on the vertical axis against temperature in degrees Celsius (°C) on the horizontal axis, showing an inverse relationship curve.

[1108] [899] with manual control clutch

D - THROTTLE POSITION SENSOR OPERATION CHECK OF THROTTLE CASE

  • Disconnect the battery negative (-) terminal.
  • Disconnect the electrical connection from the throttle position sensor of the throttle case.
Name Code
Throttle position sensor of throttle case K56
  • Use a tester to check that the throttle position sensor resistance of the throttle case corresponds to the specified value.
Measurement Value
Throttle position sensor resistance of throttle case (Ω) Pin 1-2 2000±20%
Pin 1-3 710÷1380 (throttle closed)

(Cont..)

Parts & tools for this job For 1998 Fiat Seicento

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.