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Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys.
Electrical system
•
An abnormal behaviour of the voltage at PIN 10 of the ENGINE connector has been detec-
ted: the voltage, that should vary over time, keeps a constant value instead.
Troubleshooting
•
Check circuit continuity from probe connector (PIN 1 and PIN 2) toward the probe: replace
the lambda probe if there is no continuity; if there is continuity, check the sensor connector
and the Marelli control unit connector: If not OK, restore. If OK, check continuity between
the ENGINE connector PIN 22 and PIN 10 and restore the cable harness.
CAUTION
IN CASE THE Lambda sensor correction PARAMETER, WITH ENGINE AT IDLE AND H2O T >90
°C, WHICH IS NOT WITHIN THE 0.9 - 1.1 RANGE, WITHOUT ERRORS, CHECK:
- IF < 0.9, THE PROBE READS LEAN COMBUSTION CONDITIONS AND THE CONTROL UNIT
INCREASES INJECTION TIME; CAUSES: CHECK FOR INCORRECT AIR INTAKE, LITTLE PET-
ROL, RUSTY TERMINAL CONTACTS, DEFECTIVE PROBE.
- IF > 1.1, THE PROBE READS RICH COMBUSTION CONDITIONS AND THE CONTROL UNIT RE-
DUCES INJECTION TIME; CAUSES: LITTLE AIR, EXCESSIVE PETROL, DEFECTIVE PROBE.
Injector
Injectors key:
1. Front injector
2. Rear injector
INJECTOR
Function
To supply the correct amount of petrol at the right
timing.
Operation / Operating principle
Injector coil is excited for the petrol passage to
open
Level in electrical circuit diagram:
Coils and injectors
Location:
•
on the vehicle: intake manifold
•
connector: on injectors
Electrical characteristics:
14.8Ω ± 5% (at ambient temp)
ELE SYS - 156
email: info@motomatrix.co.uk
DORSODURO 1200 ABS - ATC
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