Engine Oil Pressure Sensor - APRILIA RS 125 Euro 4 Service Manual

RS 125 - Tuono 125 - Euro 4
•
Verify, with the key turned ON, the presence of voltage on the coil connector PIN 1. If no
voltage is read, verify the continuity of the cabling between coil and injection relay (No. 35
on the electrical circuit diagram): Coil PIN 1 - relay PIN 3.
•
If the above tests provided a positive result, the coil should be replaced.
Shorted to negative:
•
Disconnect the control unit connector and the coil connector.
•
Verify the coil connector PIN 2 ground insulation (or control unit connector PIN 1). Restore
the cabling if necessary.

Engine oil pressure sensor

Function
Notifies the instrument panel that the oil pressure
in the engine is sufficient.
Operation / Operating principle
The switch is normally closed (connects ECU sig-
nal to ground). At pressures above ... bar, the
switch opens.
Level in electrical circuit diagram:
Low fuel and oil pressure
Position:
•
on the vehicle: RH side, near the water
pump
•
connector: on the sensor
Electrical specifications: -
Pin out:
1. Voltage: 5 V
NOTE
NO ERRORS
Neutral sensor
Function
Indicates the gear position to the instrument panel: if it is in neutral or in gear
Operation / Operating principle
For neutral gear, the circuit is closed to ground connection: the instrument panel turns on the neutral
warning light
Level in electrical circuit diagram
Neutral sensor, Start enable signals.
Electrical system
ELE SYS - 137