Yamaha 2008 Fazer FZ1-N Service Manual page 412

The data representing the operating conditions of the sensor appears on the odometer/
tripmeter/fuel reserve tripmeter LCD.
• Actuator operation
Set the engine stop switch to "
NOTE:
If the engine stop switch is set to "
9. Turn the main switch to "OFF" to cancel the diagnostic mode.
Fault code table
Fault
code Symptom
No.
• No normal signals are
received from the cylin-
der identification sensor
11
when the engine is
started or while the vehi-
cle is being driven.
No normal signals are
12 received from the crank-
shaft position sensor.
Intake air pressure sensor:
13 open or short circuit
detected.
Intake air pressure sensor:
14 faulty intake air pressure
sensor system.
Throttle position sensor:
15 open or short circuit
detected.
Throttle position sensor:
16
stuck
EXUP servo motor poten-
17 tion circuit: open or short
circuit detected.
18 EXUP servo motor is stuck.
Open circuit is detected in
the input line of ECU No.24
19
terminal is detected when
the start switch is pressed.
" to operate the actuator.
", set it to " ", and then set it to "
Probable cause of malfunction
• Open or short circuit in sub wire harness.
• Open or short circuit in wire harness.
• Defective cylinder identification sensor.
• Improperly installed sensor.
• Malfunction in ECU.
• Open or short circuit in wire harness.
• Defective crankshaft position sensor.
• Malfunction in pickup rotor.
• Improperly installed sensor.
• Malfunction in ECU.
• Open or short circuit in wire harness.
• Open or short circuit in sub wire harness.
• Defective intake air pressure sensor.
• Malfunction in ECU.
• Intake air pressure sensor hose is
detached, clogged, kinked, or pinched.
• Malfunction in ECU.
• Open or short circuit in wire harness.
• Open or short circuit in sub wire harness.
• Defective throttle position sensor.
• Improperly installed throttle position sensor.
• Malfunction in ECU.
• Stuck throttle position sensor.
• Malfunction in ECU.
• Open or short circuit in sub wire harness.
• Detective EXUP servo motor (potention cir-
cuit).
• Open or short circuit in sub wire harness.
• Stuck EXUP servo motor (mechanism).
• Stuck EXUP servo motor (motor).
• Open circuit in wire harness (ECU Coupler).
• Malfunction in ECU.
8-43
FUEL INJECTION SYSTEM
" again.
Diagnostic
code No.
—
—
03
03
01
01
53
53
20