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the switching from "HIGH RATIO" to "LOW RATIO" is missing for a certain"adjusted" number
of upper dead points (PMS or TDC).
The instrument panel indicates this error by lighting up in a fixed manner the MI warning light.
Troubleshooting:
•
If no switching from high: the fault may be generated in the supply system (poor pin sealing)
or in the probe. Check the wiring harness. if NOT OK restore; if OK, replace the lambda
probe.
•
If no switching from low: the fault may be generated in the supply system (dirty injector, low
fuel supply system pressure) or in the probe. Check the wiring harness. if NOT OK restore;
if OK, replace the lambda probe.
•
For the (non polarised) type of probes, this error may be caused also by a short circuit to
the wiring harness ground.
NOTE
THIS ERROR DISABLES THE RATIO CONTROL IN CLOSED LOOP.
(REAR CYLINDER)
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 interprets a voltage generated by the difference in oxygen
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
Position:
•
on manifold: on the rear part of the vehicle in correspondence with the shock absorber
•
connector: on the left side, between the rear cylinder an the frame (4 way black connector)
Electrical specifications
•
Heater circuit: 7-9
Ω
at ambient temp.
Pin out:
1. Sensor (black wire)
2. Sensor signal - (grey wire)
3. Heater ground connection (white cable)
4. Heater power supply (white cable)
DIAGNOSTIC TOOL:PARAMETERS
Lambda probe
SHIVER 900
Electrical system
ELE SYS - 153
Содержание SHIVER 900
Страница 1: ...SERVICE STATION MANUAL 2Q000335 SHIVER 900...
Страница 4: ......
Страница 6: ...INDEX OF TOPICS CHARACTERISTICS CHAR...
Страница 55: ...INDEX OF TOPICS SPECIAL TOOLS S TOOLS...
Страница 63: ...SHIVER 900 Special tools S TOOLS 63...
Страница 64: ...INDEX OF TOPICS MAINTENANCE MAIN...
Страница 76: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS...
Страница 189: ...Dashboard Instrument panel pinout key PIN 1 PIN 2 Antenna 1 PIN 3 Antenna 2 SHIVER 900 Electrical system ELE SYS 189...
Страница 195: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE...
Страница 206: ...INDEX OF TOPICS ENGINE ENG...
Страница 284: ...INDEX OF TOPICS POWER SUPPLY P SUPP...
Страница 289: ...INDEX OF TOPICS SUSPENSIONS SUSP...
Страница 319: ...INDEX OF TOPICS CHASSIS CHAS...
Страница 355: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS...
Страница 384: ...INDEX OF TOPICS CLUTCH SYSTEM CLU SYS...
Страница 388: ...INDEX OF TOPICS COOLING SYSTEM COOL SYS...
Страница 400: ...INDEX OF TOPICS BODYWORK BODYW...
Страница 437: ...SHIVER 900 Bodywork BODYW 437...
Страница 438: ...INDEX OF TOPICS PRE DELIVERY PRE DE...
Страница 444: ...U Use 288 364 W Water pump 393 Wiring diagram 111...