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RSV4 ABS
•
incongruent signal
Error cause
•
The value of the lower side sensor (tracks A-B) does not coincide with the value of the upper
side sensor (tracks C-D)
Troubleshooting
•
Replace the throttle grip sensor
DIAGNOSIS INSTRUMENT: ADJUSTABLE PARAMETERS
Throttle grip self-acquisition: -
RESET PROCEDURE
•
If Marelli control unit or its mapping are replaced or if you carry out control unit EEPROM
zero setting or if you replace the throttle grip sensor, it is necessary to carry out the handle
grip self-acquisition procedure with the diagnosis instrument: once the check is completed,
make sure that the throttle grip Self-acquisition status indicates: carried out
CAUTION
THE TWO CONNECTORS WHICH GET TO THE THROTTLE GRIP SENSOR ARE ALIKE BUT THEY
SHOULD NEVER BE INVERTED. MARK OR CHECK THE CONNECTOR MARKING BEFORE RE-
MOVING THEM (BLUE STAMP + BLUE BAND). THE BLUE CONNECTOR AND COLLAR ARE
PLACED DOWNWARDS AND THE WHITE CONNECTOR AND COLLAR ARE PLACED UPWARDS.
Intake pressure sensor
Function
The pressure sensors (one per bank), are funda-
mental for calculation of generated torque, for cal-
culation of ambient pressure and for correct
ignition timing during start-up.
Operation / operating principle
Diaphragm sensor which translates the diaphragm
position into electrical voltage when in contact with
the intake air.
Level in wiring diagram:
Intake air temperature sensor
Location:
•
on the vehicle: sensor for rear cylinders
(1 and 3) on the right of the filter box,
sensor for front cylinders (2 and 4) on
the left of the filter box.
•
connector: on the sensor.
Electrical system
ELE SYS - 179
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