Yamaha FX Nytro 2008 Manuel D'atelier page 582

Fault code table
Fault
Symptom
code No.
No normal signals are
received from the crankshaft
position sensor.
12
Intake air pressure sensor 1
(cylinders #1, #2, and #3):
13
open or short circuit detected.
Intake air pressure sensor 1
(cylinders #1, #2, and #3):
14
hose system malfunction
(clogged or detached hose).
Throttle position sensor: open
or short circuit detected.
15
Stuck throttle position sensor
16
detected.
Coolant temperature sensor:
open or short circuit detected.
21
Intake air temperature sen-
sor: open or short circuit
22
detected.
Intake air pressure sensor 2
(cylinder #1): open or short
25
circuit detected.
Intake air pressure sensor 2
(cylinder #1): hose system
26
malfunction (clogged or
detached hose).
Engine stops when an oil
30
pressure drop is detected.
Malfunction detected in the
primary lead of the cylinder-
33
#1 ignition coil.
Malfunction detected in the
primary lead of the cylinder-
34
#2 ignition coil.
Malfunction detected in the
primary lead of the cylinder-
35
#3 ignition coil.
FUEL INJECTION SYSTEM
Probable cause of malfunction
• Open or short circuit in wire harness.
• Defective crankshaft position sensor.
• Malfunction in pickup rotor (primary sheave drive shaft assem-
bly).
• Malfunction in ECU.
• Improperly installed crankshaft position sensor.
• Open or short circuit in wire harness.
• Open or short circuit in fuel injection system sub-wire harness.
• Defective intake air pressure sensor 1.
• Malfunction in ECU.
• Intake air pressure sensor 1 hoses are detached, clogged,
kinked, or pinched.
• Malfunction in ECU.
• Open or short circuit in wire harness.
• Open or short circuit in fuel injection system sub-wire harness.
• Defective throttle position sensor.
• Malfunction in ECU.
• Improperly installed throttle position sensor.
• Stuck throttle position sensor.
• Malfunction in ECU.
• Open or short circuit in wire harness.
• Open or short circuit in coolant temperature sensor sub-lead.
• Defective coolant temperature sensor.
• Malfunction in ECU.
• Open or short circuit in wire harness.
• Open or short circuit in fuel injection system sub-wire harness.
• Defective intake air temperature sensor.
• Malfunction in ECU.
• Open or short circuit in wire harness.
• Open or short circuit in fuel injection system sub-wire harness.
• Defective intake air pressure sensor 2.
• Malfunction in ECU.
• Intake air pressure sensor 2 hose is detached, clogged, kinked,
or pinched.
• Malfunction in ECU.
• Oil pressure dropped.
• Open or short circuit in wire harness.
• Malfunction in cylinder-#1 ignition coil.
• Malfunction in ECU.
• Malfunction in a component of ignition system.
• Open or short circuit in wire harness.
• Malfunction in cylinder-#2 ignition coil.
• Malfunction in ECU.
• Malfunction in a component of ignition system.
• Open or short circuit in wire harness.
• Malfunction in cylinder-#3 ignition coil.
• Malfunction in ECU.
• Malfunction in a component of ignition system.
7-8
FI
Diagnostic code No.
—
03
03
01
01
06
05
04
04
—
30
31
32