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Lambda sensor
Function
In charge of telling the control unit whether the
mixture is lean or rich
Operation / Operating principle
The Marelli injection control unit reads and inter-
prets a voltage generated by the difference in oxy-
gen content between the exhaust fumes and the
ambient. It does not require an external supply
source but, in order to work properly, it should
reach a high operating temperature: that is why
there is a heating circuit inside
Level in electrical circuit diagram:
Lambda probe
Left lambda position:
•
on the vehicle: exhaust muffler under
the rear head along the exhaust
•
connector: left side above the footrest
Right lambda position:
•
on the vehicle: exhaust muffler under
the rear head along the exhaust
•
connector: right side above the footrest
Electrical specifications
•
Heater circuit: 7-9
Ω
at Ambient temp.
Pin out for both sensors:
1. Sensor (black wire)
2. Sensor signal - (grey wire)
3. Heater ground connection (white cable)
4. Heater power supply (white cable)
DIAGNOSTICS INSTRUMENT:
PARAMETERS
Oxygen sensor
•
Example value with key ON: 0 mV
•
Example value with engine on:
100--900 mV
If there is a short circuit at + 5 V or above, the oxy-
gen sensor parameter is not equal to the value
Electrical system
California 1400
ELE SYS - 130
Содержание California 1400
Страница 1: ...MMS California 1400 My12 B043157 California 1400...
Страница 5: ...INDEX OF TOPICS CHARACTERISTICS CHAR...
Страница 46: ...INDEX OF TOPICS SPECIAL TOOLS S TOOLS...
Страница 53: ...INDEX OF TOPICS MAINTENANCE MAIN...
Страница 64: ...INDEX OF TOPICS TROUBLESHOOTING TROUBL...
Страница 73: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS...
Страница 163: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE...
Страница 169: ...Working from both sides disconnect the lambda probe connectors California 1400 Engine from vehicle ENG VE 169...
Страница 179: ...Connect the connectors of the coils and the cables of the plug caps California 1400 Engine from vehicle ENG VE 179...
Страница 183: ...California 1400 Engine from vehicle ENG VE 183...
Страница 184: ...INDEX OF TOPICS ENGINE ENG...
Страница 187: ...Diagram key 1 Ball bearing 2 Circlip 3 Thickness 4 Pin California 1400 Engine ENG 187...
Страница 280: ...INDEX OF TOPICS POWER SUPPLY P SUPP...
Страница 291: ...INDEX OF TOPICS SUSPENSIONS SUSP...
Страница 329: ...INDEX OF TOPICS CHASSIS CHAS...
Страница 338: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS...
Страница 357: ...Rear brake pads Removal Remove the lock and remove the pin California 1400 Braking system BRAK SYS 357...
Страница 365: ...INDEX OF TOPICS BODYWORK BODYW...
Страница 400: ...INDEX OF TOPICS PRE DELIVERY PRE DE...