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Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys.
Electrical system
injector connector (if there is voltage): if there is voltage, restore the filter box cable harness.
If there is no voltage, replace the sensor
•
If shorted to negative: disconnect the injector connector, set the key to ON and check if there
is a ground connection on the Grey/Red cable: if there connection, restore the cable harness.
If there is no connection, replace the injector.
•
If the circuit is open: check the component correct electrical characteristic: if it is not the
correct one, replace the component; if it is correct, check the connector on the component
and the Marelli control unit connector: if not OK, restore. If OK, check cable continuity be-
tween PIN 53 and component PIN 2 and restore the cable harness
Rear cylinder injector P0202
•
short circuit to positive/ short circuit to negative / open circuit
Error cause
•
If shorted to positive: excessive voltage has been detected at PIN 67. If shorted to negative:
no voltage has been detected. If the circuit is open: an interruption has been detected
Troubleshooting
•
If shorted to positive: disconnect the injector connector, set key to ON, activate the compo-
nent with the diagnosis instrument and check the voltage on the White/Black cable on the
injector connector (if there is voltage): if there is voltage, restore the filter box cable harness.
If there is no voltage, replace the sensor
•
If shorted to negative: disconnect the injector connector, set the key to ON and check if there
is a ground connection on the White/Black cable: if there connection, restore the cable har-
ness. If there is no connection, replace the injector.
•
If the circuit is open: check the component correct electrical characteristic: if it is not the
correct one, replace the component; if it is correct, check the connector on the component
and the Marelli control unit connector: if not OK, restore. If OK, check cable continuity be-
tween the ENGINE PIN 67 and component PIN 2 and restore the cable harness
Fuel pump
Function
Fuel pump: keeps pressure of the injectors supply
duct.
Low fuel: tells to the instrument panel about low
fuel
Operation / Operating principle
ELE SYS - 158
email: info@motomatrix.co.uk
DORSODURO 1200 ABS - ATC
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