Electrical specifications: -
Pin out:
1. Power supply 5V
2. Ground connection
3. Output signal
DIAGNOSIS INSTRUMENT: PARAMETERS
Front Cylinder Intake Pressure (2 and 4)
•
Example value with key ON: 1003 mbar
•
Example value with engine on: 720 mbar
•
NOTE: pressure read by the front sensor
Rear Cylinder Intake Pressure (1 and 3)
•
Example value with key ON: 1004 mbar
•
Example value with engine on: 715 mbar
•
NOTE: pressure read by the rear sensor
Front Cylinder estimated Intake Pressure (2 and 4)
•
Example value with key ON: 1003 mbar
•
Example value with engine on: 721 mbar
•
NOTE: pressure estimated by the control unit according to the throttle position
Rear Cylinder estimated Intake Pressure (1 and 3)
•
Example value with key ON: 1004 mbar
•
Example value with engine on: 735 mbar
•
NOTE: pressure estimated by the control unit according to the throttle position
CAUTION
BEFORE CARRYING OUT ANY TROUBLESHOOTING, CAREFULLY READ THE GENERAL TROU-
BLESHOOTING CONCEPTS FOR ELECTRICAL DEVICES AT THE BEGINNING OF THE CHECK
AND CONTROL SECTION IN THE ELECTRICAL SYSTEM CHAPTER.
DIAGNOSIS INSTRUMENT: ELECTRICAL ERRORS
rear cylinder air pressure sensor P0105
•
shorted to positive / open circuit, shorted to negative.
Error cause
•
If shorted to positive: excessive voltage has been detected at PIN 24. If the circuit is open,
shorted to negative: voltage equal to zero has been detected at PIN 24.
Troubleshooting
Electrical system RSV4 R
ELE SYS - 162
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