FUEL INJECTION FAULT CODE TABLE
Fault
code
No
11
Item
Symptom
Able to start
Able to drive
MC
Product
SMB
ATV
MOP
Cylinder identification sensor (Cam sensor)
No normal signal are received from cylinder ID sensor.
Malfunction of electric start system
Unable
Unable
x
x
x
12
Crankshaft position sensor
No normal signal are received from crankshaft position
sensor
Unable
Unable
x
x
x
x
13
Intake air pressure sensor
Open or shortcircuit detected
RX10: Intake air pressure sensor
PZ50: Cyl #1 intake pressure sensor
RST/FX10: Intake pressure sensor 1 (cyl #1, #2 and #3)
Able
Able
x
x
x
x
14
Intake air pressure sensor (pipe system)
Intake air pressure sensor pipe system clogged or
detatached
RX10: Intake air pressure sensor
PZ50: Cyl #1 intake pressure sensor
RST/FX10: Intake pressure sensor 1 (cyl #1, #2 and #3)
Able
Able
x
x
x
x
x
x
x
x
x
x
15
Throttle position sensor (for throttle valves)
TPS short circuit/open circuit detected
Able/unable
Able/unable
16
Throttle position sensor (stuck)
Stuck TPS detected
Able
Able
17
EXUP servo motor circuit
EXUP servo motor circuit open or short circuit detected
Able
Able
x
18
EXUP servo motor
EXUP servo motor is stuck
Able
Able
x
19
Sidestand switch
20
Intake air pressure sensor
Atmospheric pressure sensor
21
Coolant temperature sensor.
Open circuit is detected in the input line from sidestand
Unable
switch to ECU
Intake air pressure sensor open or shortcircuit detected.
Able
Defective values are detected due to internal malfunction of
intake air sensor or atmospheric pressure sensor. Fixes the
pressure value to 85.0kpa
Coolant temp. sensor open or short circuit detected
Able
Unable
x
Able
x
Able
x
x
x
x
22
Intake air temperature sensor.
Intake air temp. sensor open or shortcircuit detected
Able
Able
x
x
x
x
23
Atmospheric pressure sensor
Atmospheric pressure sensor open or short circuit detected Able
Able
x
x
24
Oxygen sensor
No normal signal from oxygen sensor
Able
Able
x
25
Cyl#2 intake pressure sensor
Able
Able
x
26
Cyl#2 intake pressure sensor hose system
Able
Able
x
30
Lean angle sensor
Unable
Unable
x
x
30
Oil pressure dropped
Open or short circuit detected
PZ50: Cyl#2 intake pressure sensor
RST/FX10: Intake pressure sensor 2 (cyl #1)
Clogged or detached hose
PZ50: Cyl#2 intake pressure sensor
RST/FX10: Intake pressure sensor 2 (cyl #1)
Latch up detected. No normal signal recieved from lean
angle sensor
Engine stops when an oil pressure drop is detected
Unable
Unable
31
O2 sensor
Compensation stuck to upper limit
Able
Able
x
32
O2 sensor
Compensation stuck to lower limit
Able
Able
x
33
Ignition coil #1
Malfunction detected in primary wire of ignition coil #1
Able
(depending on number of faulty cylinders)
Able
(depending on number of faulty cylinders)
x
x
x
x
34
Ignition coil #2
Malfunction detected in primary wire of ignition coil #2
Able
(depending on number of faulty cylinders)
Able
(depending on number of faulty cylinders)
x
x
35
Ignition coil #3
Malfunction detected in primary wire of ignition coil #3
Able
(depending on number of faulty cylinders)
Able
(depending on number of faulty cylinders)
x
x
36
Ignition coil #4
Malfunction detected in primary wire of ignition coil #4
Able
(depending on number of faulty cylinders)
Able
(depending on number of faulty cylinders)
x
x
37
ISC valve (stuck fully open)
Engine speed is high when the engine is idling
Able
(unable if valve is stuck fully closed)
Able
x
x
39
Injector
Injector open circuit detected
Able/Unable
(depending on number of faulty cylinders)
Able/Unable
(depending on number of faulty cylinders)
x
x
x
41
Lean angle sensor
Lean angle sensor open or short circuit detected
Unable
Unable
x
42
Speed sensor
No normal signal are recieved from speed sensor.
Open or short circuit detected in neutral switch.
Able
Able
x
x
x
x
43
Fuel system voltage
ECU unable to monitor battery voltage
(open circuit in line to ECU)
Able or unable depending on the conditions
Able or unable depending on the conditions
x
x
x
x
44
Error in writing the amount of CO adjustment on
EEPROM
Error is detected while reading or writing on EEPROM CO
adjustment value
Able
Able
x
x
x
x
Able
Able
x
x
x
x
x
x
x
x
x
x
x
46
Vehicle system power supply
Power supply to FI system is not normal
47
Sub throttle sensor
TPS short circuit/open circuit detected
50
ECU internal malfunction
Memory check error
ECU memory is faulty (fault code might not appear on the
meter)
Able/unable
Able/unable
x
51
Immobilizer unit
Code can not be transmitted between the key and
immobilizer unit.
Unable to start.
•Radio wawe interference caused by objects around the
key and antenna.
•Immobilizer unit malfunction.
•Key malfunction
Unable to drive.
•Keep magnets and other immobilizer keys
away from keys and antennas.
•Replace the imobilizer unit
•Replace the key
x
52
Immobilizer unit
Codes between the key and immobilizer unit does not
match.
Unable to start
•Signal recieved from other transponder (failed to
recognize code after ten consecutive attempts).
•Signal recieved from unreg. standard key
Unable to drive
•Place the immobilizer unit at least 50mm
away from the transponder of other vehicles.
•Register the standard key.
x
53
Immobilizer unit
Codes cannot be transmitted between the ECU and the
immobilizer unit.
Unable to drive
•Check the wire harness and connector
•Replace the main switch/immobiliser unit
•Replace the ECU
x
54
Immobilizer unit
Codes transmitted between the ECU and the immobilizer
unit does not match.
Unable to start
Noise interference or disconnected lead/cable.
•Interference due to radio wave noise.
•Disconnected comunication harness
•Immobilizer unit malfunction
•ECU malfunction
Noise interference or disconnected lead/cable
•Interference due to radio wave noise.
•Disconnected comunication harness
•Immobilizer unit malfunction
•ECU malfunction
•Register the code, re-register key.
•check the wire harness and connectors
•Replace main switch/immobilizer unit
•Replace ECU
x
55
Immobilizer unit
Key code registration malfunction.
Unable to start.
Same standard key was attempted to be registered two
consecutive times.
Unable to drive
Register another standard key
x
59
Trottle position sensor (for trottle cable pulley)
Able/unable
Able/unable
x
60
Trottle servo motor
TPS short circuit/open circuit detected.
TPS coupler connection is loose
Trottle servo motor open or short circuit detected.
Motor is defective or ECU internal malfunction
Able/unable
Able/unable
x
x
61
ISC unit open or short circuit
Open or short circuit detected
Able
Able
65
Knock sensor
Able
Able
x
80
Grip warmer switch
Able
Able
x
81
Grip warmer
Open or short circuit detected
PZ50
Open or short circuit detected
RX10
Open or short circuit detected
Able
Able
x
82
Thumb warmer switch
Able
Able
x
83
Thumb warmer
Open or short circuit detected
RX10
Short circuit detected
Able
Able
x
84
TORS
Conditions requiring TORS operation are detected
Able
Unable
x
85
Oil pressure switch
Oil pressure switch: Open cirquit detected
Able
Able
x
88
Drive position switch or
Reverse position switch
Short circuit detected
Able
Able
x
Er-1
ECU internal malfunction output signal error
No signal recieved from ECU
Unable
Unable
x
x
x
x
Er-2
ECU internal malfunction output signal error
No signal recieved from ECU within the specified duration
Unable
Unable
x
x
x
x
Er-3
ECU internal malfunction output signal error
Data from ECU cannot be recieved correctly
Unable
Unable
x
x
x
x
Er-4
ECU internal malfunction input signal error
Non-registered data has been recieved from the meter
Unable
Unable
x
x
x
x
YAMAHA MOTOR SCANDINAVIA AB
x
FUEL INJECTION DIAGNOSTIC CODE TABLE
Diagnostic Item
code No
How to activate
Description of action
Checking method or meter display
MC/ATV: Stop switch on/off
SMB: Grip warmer switch down
Rhino: 4WD switch on/off
Displays the trottle angle
●Check with trottle fully closed
●Check with trottle fully open
Displays the atmospheric pressure
0-125 °
●Fully closed position (15-18)
●Fully open position (94-100)
Compare the actually measured atmospheric pressure with the meter value
x
x
x
x
●Not cranking:atmospheric pressure
●Cranking:intake air pressure decrease to less than the atmospheric
pressure
x
x
d:01
Throttle angle
d:02
Atmospheric pressure
d:03
d:07
Intake air pressure sensor 1
Displays the intake air pressure for cylinders #1, #2 and #3
(atmospheric pressure and intake air RX10: Intake air pressure sensor
PZ50: Cyl #1 intake pressure sensor
pressure)
RST/FX10: Intake pressuer sensor 1 (cyl #1, #2 and #3)
●Check the intake manifold pressure
●Push the starter switch and check the change in the intake air pressure.
Intake air pressure sensor 2
Displays the intake air pressure for cylinder #1
(atmospheric pressure and intake air PZ50: Cyl #2 intake pressure sensor
RST/FX10: Intake pressure sensor 2 (cyl #1)
pressure)
●Check the intake manifold pressure
●Push the starter switch and check the change in the intake air pressure.
Intake air temperature
Displays the intake air temperature.
●Check the temperature in the intake manifold or air filter case
Coolant temperature
Displays the coolant temperature.
●Check the temperature of the coolant
Speed-pulse
Displays the cumulative number of pulses that is generated when the track rotates
d:08
Lean angle sensor
d:09
d:13
Fuel system voltage (battery
voltage)
Throttle position sensor 2
d:14
Accelrator position sensor 1
d:15
Accelrator position sensor 2
d:20
Sidestand switch
d:21
Gear position switch
d:24
Throttle switch
d:26
Grip warmer operation
(PZ50, FX10, RX10)
Thumb warmer operation
d:04
d:05
d:06
d:27
●Upright 0,4-1,4
●Overturned 3,7-4,4
Displays the fuel system voltage (battery voltage)
●Fully closed position 9-23
●Fully opened position 94-108
●Fully closed position 12-22
●Fully open position 97-107
●Fully closed position 10-24
●Fully open position 95-109
●Stand retrackted- ON
●Stand extended- OFF
●Neutral- ON
●In gear- OFF
Throttle open:ON
Throttle closed: OFF
Operates the grip warmer and display the self diagnosis indicator for 120 seconds
Operates the thumb warmer and display the self diagnosis indicator for 120
seconds
Adjustment of damping force for the RX10 Öhlins EC rear shock
suspension
See servicemanual for further details
Cylinder #1 ignition coil
Actuates the cyl. #1 ignition coil and displays the self-diagnosis warning indicator
(five times at one-second intervalls)
Cylinder #2 ignition coil
Actuates the cyl. #2 ignition coil and displays the self-diagnosis warning indicator
(five times at one-second intervalls)
Cylinder #3 ignition coil
Actuates the cyl. #3 ignition coil and displays the self-diagnosis warning indicator
(five times at one-second intervalls)
Cylinder #4 ignition coil
Actuates the cyl. #4 ignition coil and displays the self-diagnosis warning indicator
(five times at one-second intervalls)
Intake funnel servo motor
Actuates the intake funnels (up/down position) for 3 sec. each.
Illumuninates the engine troubble warning light.
Cylinder #1 injector
Actuates the cyl. #1 injector and displays the self-diagnosis warning indicator (five
times at one-second intervalls)
Cylinder #2 injector
Actuates the cyl. #2 injector and displays the self-diagnosis warning indicator (five
times at one-second intervalls)
Cylinder #3 injector
Actuates the cyl. #3 injector and displays the self-diagnosis warning indicator (five
times at one-second intervalls)
Cylinder #4 injector
Actuates the cyl. #4 injector and displays the self-diagnosis warning indicator (five
times at one-second intervalls)
Cylinder #1 secondary injector
If the engine stop switch is pushed from "stop" to "run", actuates the cyl. #1
secondary injector and displays the self-diagnosis warning indicator (five times at
one-second intervalls)
Cylinder #2 secondary injector
Actuates the cyl. #2 secondary injector and displays the self-diagnosis warning
indicator (five times at one-second intervalls)
Cylinder #3 secondary injector
Actuates the cyl. #3 secondary injector and displays the self-diagnosis warning
indicator (five times at one-second intervalls)
Cylinder #4 secondary injector
Actuates the cyl. #4 secondary injector and displays the self-diagnosis warning
indicator (five times at one-second intervalls)
Steering damper solenoid
Set the engine stop switch to ON- Steering damper solenoid is ON. Set the engine
stop switch to OFF- steering damper solenoid is OFF.
Air induction system solenoid
Actuates the airinduction solenoid 5 times at 1 sec.intervals. Illumuninates the
engine trouble warning light.
Fuel injection system relay
Actuates the fuel injection system relay and displays the self-diagnosis warning
Fuel pump relay
indicator (five times at one-seconds intervals) (the indicator is off relay is on and
v.v.)
Radiator fan motor relay
Actuates the radiator fan motor relay and displays the self-diagnosis warning
indicator (five cycles at five sec. each, indicator is on for two sec. and off for three
sec.)
Headlight relay
Actuates the headlight relay and displays the self-diagnosis warning indicator (five
cycles at five sec. each, indicator is on for two sec. and off for three sec.)
d:53
EXUP servo motor
d:54
ISC (Idle Speed Control unit)
d:57
Grip warmer operation (RST)
d:58
Odometer
d:59
d:60
Passenger grip warmer operation
(RST90GTZ, PZ50VT)
EEPROM fault code display
d:61
Malfunction history code display
d:62
Malfunction history code erasure
d:63
Malfunction code reinstatement (for
faultcode no. 24 only)
d:70
Control number
d:29
d:30
d:31
d:32
d:33
d:34
d:36
d:37
d:38
d:39
d:40
d:41
d:42
d:43
d:47
d:48
d:50
d:51
d:52
Product
MC SMB ATV MOP
●Not cranking:atmospheric pressure
●Cranking:intake air pressure decrease to less than the atmospheric
pressure
x
x
x
Compare it to the value displayed on the meter (minimum displayed value:30°C)
Compare it to the value displayed on the meter (minimum displayed value:30°C)
0-999. Reset after 999.
OK if the number increases when wheel/track rotates
Remove the lean angle sensor and incline it more than 45 degrees
x
x
x
x
x
x
x
x
x
0-18,7V
Normally approx. 12,0V
Check with throttle valves fully closed/fully open
x
x
Check with throttle grip fully closed/fully open
x
Check with throttle grip fully closed/fully open
x
Set the side stand switch to on/off with the transmission in gear.
x
Shift the transmission
x
x
x
x
x
x
Displays that the switch is on or off.
Check the throttle switch.
After pushing the switch, check that the warmer becomes warm.
x
x
After pushing the switch, check that the warmer becomes warm.
x
-
x
After pushing the switch, check that a spark is produced five times.
x
x
After pushing the switch, check that a spark is produced five times.
x
x
After pushing the switch, check that a spark is produced five times.
x
x
After pushing the switch, check that a spark is produced five times.
x
x
Check the operating sound of the intake funnel servo.
x
After pushing the switch, check that the injector operates five times by
listening to its operating sound.
After pushing the switch, check that the injector operates five times by
listening to its operating sound.
After pushing the switch, check that the injector operates five times by
listening to its operating sound.
After pushing the switch, check that the injector operates five times by
listening to its operating sound.
After pushing the switch, check that the injector operates five times by
listening to its operating sound.
x
x
x
x
x
x
x
x
x
x
x
After pushing the switch, check that the injector operates five times by
listening to its operating sound.
After pushing the switch, check that the injector operates five times by
listening to its operating sound.
After pushing the switch, check that the injector operates five times by
listening to its operating sound.
Check that the operation of steering damper changes (hard/soft)
x
Check the sound of the air induction solenoid.
x
After pushing the switch, check that the FI relay operates five times by
listening to its operating sound.
x
x
x
After pushing the switch, check that the radiator fan relay operates five times
by listening to its operating sound.
x
x
x
After pushing the switch, check that the headlight relay operates five times
and the head and taillight comes on.
x
x
Actuates the EXUP servo-motor (turn to fully open/close side) when engine stop
switch is turned ON. Illuminates the engine warning light.
Actuates (fully closes/opens) the ISC valve for 3 cycles of four sec. each and
displays the self-diagnosis warning indicator.
Actuates the grip warmer and displays the self-diagnosis warning indicator for 120
sec.
Odometer is displayed on the meter (RX10)
Check the operating sound of the EXUP servo motor.
x
After pushing the switch check that the ISC unit vibrates. The ISC unit
vibrates when the valve opens.
After pushing the switch check that the warmer becomes hot.
x
-
x
Actuates the passenger grip warmer relay and headlight relay, and displays the
self-diagnosis warning indicator.
●Displays the cylinder number if an error is detected in the EEPROM CO
adjustment value for the cylinder as fault code no. 44
●If multiple cylinders are defective the display alternated every 2 sec.
●Displays the code numbers of past malfunctions (i.e. a code number of a
malfunction that occurred once and which has been corrected).
●If more than one code number is detected the display alternates every 2 sec-. To
show all the detected code numbers. When all code nubers are shown, the display
repeats the same process.
●Displays the total number of codes that are beeing detected through self
diagnosis and the fault codes in the past history.
●Erases only the history codes when the grip warmer side of the thumb/grip
warmer adjustment switch is pushed.
No malfunction code-00 Faultcode 24,40 If more than one code is detected the
display alternates every two sec. to show all the detected code numbers. When all
code numbers are displayed the process is repeated.
Displays the program control number
After pushing the switch check that the warmer becomes hot.
x
x
x
x
x
x
x
(01-03) Displays the cylinder number.
(00) Displays when there is no malfunction.
x
x
x
12-85
(00) Displays when there is no malfunction
x
x
x
00-23
(00) Displays when there is no malfunction
x
x
x
To reinstated, set the engine stop switch from "stop" to "run"
x
00-254
x
x
x
YAMAHA MOTOR SCANDINAVIA AB
x