Specifications

In case of recovery, this value is set by the control unit.
ELECTRICAL ERRORS
engine temperature sensor P0115 - open circuit, shorted to positive / shorted to negative.
Error cause
•
If the circuit is open, shorted to positive: excessive voltage has been detected at PIN 5 of
the BROWN connector.
•
If shorted to negative: voltage equal to zero has been detected at PIN 5 of the BROWN
connector
Troubleshooting
•
If the circuit is open, shorted to positive: check the sensor connector and the Marelli control
unit connector. If they are not OK, restore the cable harness; if OK, check the continuity of
the sensor; if it is not OK, replace the sensor; if it is OK, check continuity between PIN 5 of
the BROWN connector and PIN 2 of the sensor: restore cable harness if there is not con-
tinuity; if it is OK, reconnect the control unit connector and, with key set to key ON, check
the continuity between the sensor connector PIN 1 and the vehicle ground connection: if
there is not continuity, restore the cable harness; if there is continuity, it means that the cause
of the error is that the cable is shorted to positive and now the cable harness between the
BROWN PIN 5 and PIN 2 of the sensor should be restored. If the air temperature sensor
error is displayed at the same time, this means that the grey cable common for both sensors
is shorted to positive.
•
If shorted to negative, check sensor correct resistance: if resistance = 0, replace the sensor;
if resistance is correct, it means that the cable has ground connection: restore the cable
harness
NOTES No error is detected if the sensor does not work correctly or the control unit connector
or sensor terminals are rusty: then check through Axone if the temperature indicated is plausible
in relation to the engine temperature. Check also that the sensor electrical characteristics are
observed: replace the sensor if not OK; if it is OK, check the sensor connector and the Marelli
control unit connector
Electrical system GRISO 8V - 1200
ELE SYS - 62
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