MOTO GUZZI 2Q000297 Service Station Manual page 126

Electrical system
•
Disconnect the right 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 right 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 right injector and control unit connectors.
•
Verify continuity of the wiring harness between the control unit connector and the right in-
jector connector (control unit PIN 32 - right injector PIN 2). In the absence of continuity
restore the wiring harness.
LEFT INJECTOR
Level in electrical circuit diagram:
Coils and injectors
Left injector position:
•
On the intake manifold
•
Connector: on injector
Electrical specifications
•
14.8 Ohm +/- 5% (at 20 °C - 68 °F)
Pin-out:
1. Power 12V (red/brown)
2. Ground (grey/black)
Diagnostic tool - Parameters and statuses
•
Injection time cyl. LH - (ms)
Diagnostic tool - Activation
•
Left injector
•
Injector control
Diagnostic tool - Electrical errors
Left injector P0201 - shorted to positive / shorted to negative / open circuit.
Error cause
•
Short-circuit to positive: excessive voltage at PIN 34 of the control unit connector
•
Short-circuit to negative: zero voltage at PIN 1 of the left injector connector
•
Open circuit: circuit interruption
Troubleshooting
Short-circuit to positive:
•
Disconnect the left injector connector, turn the key to ON and activate the component
through the diagnostic tool.
ELE SYS - 126
V7 III ABS