Yamaha XT 660 Fault Codes
Yamaha XT 660 motorcycles have engines, which are made up of many different parts. These parts must work together in order for the engine to function. A problem with one of the parts can make the engine not run. There are many different parts that make up an engine. The following yamaha xt 660 faults are the list of some of the parts of a motorcycle engine.
Checking the fault code is one of the most overlooked aspects of maintaining Yamaha XT 660 motorcycle. Many people don’t think about it until something goes wrong. A clogged afuel pump. Now that you know how to stay visible on your bike, and how to stay safe on your Yamaha XT 660 bike, it’s important that you know what you need. When you’re on a bike, the weather is often a factor. Here are a few tips that will help you protect yourself the next time you take your motorcycle out on the road.
Yamaha XT 660 Faults :
The warning light comes on when one of the various sensors has detected an abnormal condition in the Yamaha XT 660 engine's performance. For example, if the oil pressure drops below a certain threshold or if the air/fuel ratio rises beyond a certain point, then this would cause an immediate alert from your vehicle's engine management system.
In the list range from d01 to d59, a self-diagnosis of the system components is carried out.
Inclusion of some components is carried out by the stop engine button.
Yamaha Self-diagnosis Code List (opposite the menu number of the list, decoding of readings + nominal value):
| D: 01 = Throttle Position Sensor completely closed, indicators from 12 to 21 fully open, indicators from 96 to 106 |
| D: 02 = atmospheric pressure, in percent; |
| D: 03 = absolute atmospheric pressure in the intake circuit; |
| D: 05 = air temperature in the intake circuit; |
| D: 06 = coolant temperature; |
| D: 07 = speed sensor readings; |
| D: 08 = drop sensor position normal position, indicator 0.4 - 1.4 inverted position, indicator 3,7 - 4,4 |
| D: 09 = vehicle voltage |
| D: 13 = Throttle Position Sensor 2 completely. closed, indicator from 9 to 23 fully open, score from 94 to 108 |
| D: 14 = Throttle Position Sensor 1 completely closed, indicator from 12 to 22 fully open, indicator from 97 to 107 |
| D: 15 = throttle position sensor 2 completely closed, indicator from 10 to 24 fully open, indicator from 95 to 109 |
| D: 20 = position sensor side steps; |
| D: 21 = gearbox position sensor (neutral) |
| D: 60 = EEPROM, system error sheet (00 = no errors, 01-04 = error codes for cylinders, if there is more than one error in the memory, they are displayed alternately) |
| D: 61 = error sheet of the ignition module for sensors (00 = there are no errors in the memory, 11-70 = error codes for the components, if there are more than one error in the memory, they are displayed alternately) |
| D: 62 = the number of errors in the memory module (00 = no errors, XX - the number of errors, erasing the errors is done by turning on the "stop engine" button); |
| D: 63 = sub-category of the error code (only for error 24, if there is more than one value in memory, then the value is displayed alternately) |
THE LIST OF SELF-DIAGNOSIS BY UNITS :
| D: 30 = diagnosis of the ignition coil 1 cylinder; |
| D: 31 = diagnosis of ignition coil 2 cylinder; |
| D: 32 = diagnosis of ignition coil 3 cylinders; |
| D: 33 = diagnosis of the ignition coil 4 cylinder; |
| D: 34 = intake valve diagnosis |
| D: 36 = diagnosis of the primary injector nozzle 1 |
| D: 37 = diagnosis of the primary injector nozzle 2 |
| D: 38 = diagnosis of the primary injector nozzle 3 |
| D: 39 = diagnosis of the primary injector nozzle 4 |
| D: 40 = diagnosis of the secondary injector nozzle 1 |
| D: 41 = diagnosis of the secondary injector nozzle 2 |
| D: 42 = secondary injector diagnosis, injector 3 |
| D: 43 = diagnosis of the secondary injector nozzle 4 |
| D: 47 = diagnosis of the steering damper sensor; |
| D: 48 = intake valve valve sensor diagnosis; |
| D: 50 = diagnosis of the fuel pump relay; |
| D: 51 = diagnosis of the cooling fan motor relay; |
| D: 52 = Diagnostics of the headlamp lamp relay; |
Yamaha Error Codes
| Error Code | Explanation of error codes | Transcript |
|---|---|---|
| 11 | Error cylinder position sensor; | |
| 12 | crankshaft position sensor error; | |
| 13 | Error in the inlet pressure sensor (the sensor is within the desired range) | self-diagnosed string D: 03; |
| 14 | Error in the inlet pressure sensor (sensor disconnected or faulty) | selfdiagnosed string D: 03; |
| 15 | error position sensor throttle | self diagnosed line D: 01 + D: 13; |
| 19 | error on the incoming signal from the ECU (short circuit or disconnected sensor side footboard) | - self diagnosed line D: 20; |
| 20 | the error of sensor readings of atmospheric and absolute pressure in the inlet, not permissible values | self-diagnosed string D: 03, D: 02; |
| 21 | Error reading sensor coolant temperature | self diagnosed string D: 06; |
| 22 | Error in the inlet temperature sensor, | self-diagnosed string D: 05; |
| 23 | error sensor readings of atmospheric pressure | self-diagnosed string D: 02; |
| 24 | error of the oxygen sensor (O2 sensor, lambda probe); | |
| 30 | Error drop sensor (triggered or faulty sensor), | self-diagnosed string D: 08; |
| 33 | faulty ignition coil cylinder 1 | self-diagnosed string D: 30; |
| 34 | faulty ignition coil cylinder 2 | self-diagnosed string D: 31; |
| 35 | faulty ignition coil 3 cylinder | self diagnosed string D: 32; |
| 36 | faulty ignition coil 4 cylinder | self diagnosed string D: 33; |
| 39 | Primary circuit fault injector | self diagnosed string D: 36,37,38,39; |
| 40 | fault circuit secondary injector | self diagnosed string D: 40,41,42,43; |
| 41 | fault or short circuit in the wiring of the sensor falls | self-diagnosed string D: 08; |
Yamaha Indicators / Codes&Descriptions
| Codes | Description |
|---|---|
| d01 | throttle position (twist the throttle) |
| d02 | atmospheric pressure (absolute percentage) |
| d03 | vacuum at the inlet (the sensor in the air cleaner housing, in percent) |
| d05 | air temperature at the inlet (the sensor in the air filter housing, nominal percentage as I understand it) |
| d06 | coolant temperature at the moment |
| d07 | speed sensor (figure) |
| d08 | drop sensor (tilt) |
| d09 | voltage at the gasoline pump (tested by including a stop of the engine) |
| d20 | SEITENSTAENDER (on / off) - testing only works when off neutral |
| d21 | neutral sensor (on / off) |
| d30 | 1 coil per cylinder (when the stop button the engine is made by testing the coil 5 pulses, accompanied by a distinctive sound, with concurrently. lamp blinking Check Engine) |
| d31 | 2 cylinder coil (when the stop button the engine is made by testing the coil 5 pulses, accompanied by a distinctive sound, with concurrently. lamp blinking Check Engine) |
| d32 | 3 coil cylinder (when the stop button the engine is made by testing the coil 5 pulses, accompanied by a distinctive sound, with concurrently. lamp blinking Check Engine) |
| d33 | 4 cylinder coil (when the stop button the engine is made by testing the coil 5 pulses, accompanied by a distinctive sound, with concurrently. lamp blinking Check Engine) |
| d36 | 1 cylinder injector (when the stop button the engine is made by testing the nozzle 5 pulses, accompanied by a distinctive sound, with concurrently. lamp blinking Check Engine) |
| d37 | 2 cylinder injector (when the stop button the engine is made by testing the nozzle 5 pulses, accompanied by a distinctive sound, with concurrently. lamp |
| d38 | 3 cylinder injector (when the stop button the engine is made by testing the nozzle 5 pulses, accompanied by a distinctive sound, with concurrently. lamp blinking Check Engine) |
| d39 | 4 cylinder injector (when the stop button the engine is made by testing the nozzle 5 pulses, accompanied by a distinctive sound, with concurrently. lamp blinking Check Engine) |
| d48 | AI valve. (when the buttons stop valve engine is tested, 5 pulses, accompanied by a distinctive sound, with concurrently. lamp blinking Check Engine) |
| d50 | power relay injector and ignition system (tested in the same stop-button engine) |
| d51 | relay switching the cooling fan (tested in the same stop-button engine) |
| d52 | relay head light (PAR) (tested in the same stop-button engine) |
| d53 | testing of servo motor EXUP (tested just stop engine button, shows the value in the corners) |
| d56 | secondary servo valves (tested just stop engine button, shows the value in the corners) |
| d60 | error of the switch (the codes are displayed alternately, a list of the error codes of the switch below) |
| d61 | recorded in the memory of the error code |
| d62 | erase the stored fault codes |
| d70 | displays the code of a running program (0-255) |
Yamaha XT 660 Motorcycle Problems :
- Yamaha xt 660 after fire
- Yamaha xt 660 air cleaner clogged, poorly sealed, or missing
- Yamaha xt 660 air cleaner element clogged
- Yamaha xt 660 air duct loose
- Yamaha xt 660 air suction valve trouble
- Yamaha xt 660 air switching valve trouble
- Yamaha xt 660 backfiring when deceleration
- Yamaha xt 660 cracked or obstructed intake air pressure sensor
- Yamaha xt 660 crankshaft sensor trouble
- Yamaha xt 660 eCU ground and power supply trouble
- Yamaha xt 660 eCU trouble
- Yamaha xt 660 engine overheating - Water temperature sensor or crankshaft sensor trouble
- Yamaha xt 660 engine stalls easily
- Yamaha xt 660 engine vacuum not synchronizing
- Yamaha xt 660 exhaust Smokes Excessively
- Yamaha xt 660 firing incorrect
- Yamaha xt 660 fuel filter clogged
- Yamaha xt 660 fuel injector clogged
- Yamaha xt 660 fuel injector O-ring damage
- Yamaha xt 660 fuel injector trouble
- Yamaha xt 660 fuel line clogged
- Yamaha xt 660 fuel poor quality or incorrect
- Yamaha xt 660 fuel pressure regulator trouble
- Yamaha xt 660 fuel pressure too low or too high
- Yamaha xt 660 fuel pump bearings may wear. Replace the fuel pump
- Yamaha xt 660 fuel pump not operating
- Yamaha xt 660 fuel pump operates intermittently and often DFI fuse blows
- Yamaha xt 660 fuel pump relay trouble
- Yamaha xt 660 fuel pump trouble
- Yamaha xt 660 fuel/air mixture incorrect
- Yamaha xt 660 fuel/air mixture incorrect
- Yamaha xt 660 gear position sensor, starter lockout or side stand switch trouble
- Yamaha xt 660 inspect and repair or replace
- Yamaha xt 660 intake air pressure sensor trouble
- Yamaha xt 660 intake air temperature sensor trouble
- Yamaha xt 660 intake air temperature sensor trouble
- Yamaha xt 660 intermittent any DFI fault and its recovery
- Yamaha xt 660 little fuel in tank
- Yamaha xt 660 main throttle sensor trouble
- Yamaha xt 660 no or little fuel in tank
- Yamaha xt 660 poor acceleration
- Yamaha xt 660 spark plug burned or gap maladjusted
- Yamaha xt 660 spark plug dirty, broken or gap maladjusted
- Yamaha xt 660 spark plug incorrect
- Yamaha xt 660 spark weak
- Yamaha xt 660 stick coil shorted or not in good contact
- Yamaha xt 660 stick coil trouble
- Yamaha xt 660 subthrottle sensor trouble
- Yamaha xt 660 subthrottle valve actuator trouble
- Yamaha xt 660 throttle body assy dust seal damage
- Yamaha xt 660 throttle body assy holder loose
- Yamaha xt 660 throttle valves will not fully open
- Yamaha xt 660 unstable (rough) idling
- Yamaha xt 660 unstable fuel pressure
- Yamaha xt 660 vacuum hose
- Yamaha xt 660 vehicle-down sensor trouble
- Yamaha xt 660 water or foreign matter in fuel Change fuel
- Yamaha xt 660 water temperature sensor trouble
The first sign that your Yamaha XT 660 motorcycle's starter system is working well is the warning light that appears when you switch on the ignition. It will illuminate for a few seconds, and then go out. This is a good sign that your starter system is working properly and you'll be able to start your motorcycle without difficulty.
Possible Failure Types :
- Strange Yamaha XT 660 engine noise.
- Yamaha XT 660 fog from engine.
- Strange Yamaha XT 660 engine noise.
- Yamaha XT 660 Vibrations and Rattling
- Yamaha XT 660 Loud Acceleration
- Yamaha XT 660 rusty exhaust
- Yamaha XT 660 blockages in exhaust pipe
- Yamaha XT 660 wear and tear exhaust
Yamaha Motor Company was formed in 1955 as an associate company of Yamaha Corporation, which still holds the majority voting stake in the company. Much of the development of their motorcycles is derived from motorsports, which shows with exceptional supersport models such as the YZF-R1.
Check other Yamaha fault codes.Common abbreviations and their meanings below:
ABS: Anti-Lock Braking System ACR: Automatic Compression Release AFR: Air Fuel Ratio AIS: Active Intake Solenoid ATS: Air Temperature Sensor BAS: Bank Angle Sensor BCM: Body Control Module CAN: Controller Area Network CCM: Cruise Control Module CKP: Crank Position Sensor DLC: Datalink Connector DTC: Diagnostic Trouble Codes ECM: Electronic Control Module ECT: Engine Coolant Temperature ECU: Electronic Control Unit EFI: Electronic Fuel Injection EFP: Electronic Fuel Pump ET: Engine Temperature sensor FI: Fuel Injectors FPR: Fuel Pressure Regulator H-DSSS: Harley-Davidson® Smart Security System HCU: Hydraulic Control Unit, ABS HFSM: Hands Free Security Module HO2S: Heated Oxygen Sensor IAC: Idle Air Control actuator IAT: Intake Air Temperature sensor ICM: Ignition Control Module IMAP: MAP + IAT in one unit ISS: Ion Sensing System JSS: Jiffy Stand Sensor LHCM: Left Hand Control Module MAP: Manifold Absolute Pressure sensor MHR: Right Hand Control Module RCM: Reverse Control Module TCA: Throttle Control Actuator TGS: Twist Grip Sensor TMAP: Intake Air Temperature / Manifold Absolute Pressure equipment TPS: Throttle Position Sensor TSM / TSSM: (Turn Signal / Turn Signal Security Module) VE: Volume Efficiency VIN: Vehicle Identification Number VSS: Vehicle Speed Sensor WSS: Wheel Speed Sensor
These abbreviations, and the accompanying list of trouble codes, can be a great start when your Yamaha check engine light comes on. As mentioned above, if you are not comfortable with electrical diagnostic work, a dealership or qualified technician can offer assistance. Please keep in mind that even though you have the ability to clear a DTC using the onboard diagnostic feature, you shouldn't clear the code prior to your service appointment. Let the technician view and clear the codes as they troubleshoot the issue.
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