APRILIA Tuono 125 Euro 4 User Manual

Injector coil is excited for the petrol passage to open.
Level in electrical circuit diagram
Relay for injection utilities, Coils and injectors
Electrical specifications
•
14.8 Ώ +/- 5% (at 20 °C - 68°F)
Pin-out:
1. Control unit ground
2. Power via relay
Diagnostic tool - Activation
•
Injector control
Diagnostic tool - Electrical errors
Injector P0201 - short circuit to positive / short circuit to negative / open circuit.
Error cause
Short-circuit to positive: excessive voltage to PIN 34 of the control unit connector.
Short circuit to negative: zero voltage to the PIN 2 of the injector connector.
Open circuit: circuit interruption.
Troubleshooting
Short-circuit to positive:
•
Disconnect the injector connector, turn the key to ON and activate the component through
the diagnostic tool.
•
Verify the absence of voltage at the injector connector PIN 1; if present restore the wiring
harness, otherwise proceed with the following checks.
Short circuit to negative:
•
Disconnect the injector connector, turn the key to ON and activate the component through
the diagnostic tool.
•
Verify the presence of voltage at the ends of the injector connector; if there is no voltage,
restore the wiring harness, otherwise proceed with the following checks.
Open circuit:
•
Carry out the check procedure of the injector and control unit connectors.
•
Check continuity of cable between ECU connector and injector connector (ECU PIN 34 -
injector PIN 1). In the absence of continuity restore the wiring harness.
Fuel pump
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.
ELECTRICAL ERRORS
Electrical system RS 125 - Tuono 125 - Euro 4
ELE SYS - 134

APRILIA Tuono 125 Euro 4 Specifications

General

Brand	APRILIA
Model	Tuono 125 Euro 4
Category	Motorcycle
Language	English