if there is not continuity; if OK, connect the control unit connector again, and with battery
connected, check if there is continuity between PIN 2 of the blue/green cable of the sensor
and the vehicle ground connection: if there is no continuity, restore the cable harness; if
there is continuity, it means that the cause for the error is that the cable is shorted to positive
and now the cable harness between PIN D4 of the control unit and PIN 1 of the sensor brown
cable (cable harness side) should be restored. If the intake air temperature sensor error is
displayed at the same time, this means that the blue/green cable common for both sensors
is shorted to positive.
Air temperature sensor
•
Remove the air filter casing cover.
•
Undo and remove the screw.
•
Disconnect the air temperature sensor
connector.
•
Remove the sensor.
Function
It tells the control unit the intake air temperature in order to calculate oxygen presence so as to optimise
the petrol quantity necessary for correct combustion.
MXV 450 Electrical system
ELE SYS - 61
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