Specifications

Engine rpm sensor
Function
It informs crankshaft position and speed to the
Marelli control unit.
Operation / Operating principle
Inductive sensor: sinusoidal-type generated volt-
age; two teeth are missing on the flywheel for the
reference position.
Level in wiring diagram:revolution sensor
Location:
•
Sensor: front left side of the engine,
under the generator
•
Connector: under the fuel tank, right
side
Electrical characteristics:
•
Winding resistance: 650 Ω ± 15% Out-
put alternating voltage, value range:
minimum: 0.5 V - maximum: 5 V
Pin-out:
1. Engine revolution sensor positive signal
2. Engine revolution sensor negative signal
3. Revolution sensor anti-jamming cable
AXONE: PARAMETERS
Target engine revs
Example value:1100 +/- 100 rpm
Parameter valid at idle, setting depends especially on the engine temperature: the ECU unit will try to
keep the engine running at this revs, acting on the ignition advance.
AXONE: STATUSES
Synchronisation
Example value:Synchronised / Not synchronised
Indicates if the control unit detects the revolution sensor signal correctly
DIAGNOSIS
Engine revolution sensor
An interruption in the sensor circuit has been detected, from PIN 25 to PIN 35 of connector A (BROWN).
Check the sensor connector and the injection control unit connector A (BROWN): it they are not OK,
restore. If OK, check continuity of the two cables leading to PINS 25 and 35 of the control unit connector:
Electrical system GRISO 8V - 1200
ELE SYS - 58
Revente Interdite - Revendita Vietata - Resaling Forbiden - Wiederverkauf Verboten