between the ENGINE connector PIN 6 or 17 and the sensor connector PIN 2: restore the
cable harness if there is not continuity. If there is, it means that the control unit does not
supply the ground connection and therefore should be replaced.
•
If shorted to negative, check sensor correct resistance: if resistance is null, replace the sen-
sor; if resistance is correct, it means that the yellow/brown cable has ground connection:
restore the cable harness
DIAGNOSIS INSTRUMENT: LOGIC ERRORS
engine temperature sensor P0116
•
signal not valid.
Error cause
•
An excessive temperature variation has been detected: for example, the cause may be a
contact resistance between the terminals. The instrument panel does not indicate the pres-
ence of this error even in the ATT status.
Troubleshooting
•
Check the sensor connector and the ENGINE connector of the Marelli control unit.
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 RSV4 R
ELE SYS - 168
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