Hi guys I'm new here I live in Colorado and I have a 2009 atric cat 550 h1. It has a EFI code on screen. I have good fuel pressure and a new spark plug. It will turn over just fine but no fire. Is there a sensor other then the tilt sensor that would cause it not to run or am I just missing something small?
Won't start! Has EFI code.
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I think the tilt sensor is the only one that would keep it from firing. What does the code say?
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Isn't there a sticky that shows how to jump the connector and read the codes ?
If not
If you don't have the plug, jump the blue/red wire to black with a paper clip or similar object
ECU Error Codes
If a sensor fails or an out-of-tolerance signal is sensed by the ECU, an error code will be generated by the ECU. This will result in the analog needle swinging full scale. The EFI icon will flash.
To read the error code(s), use the following procedure:
1. Make sure the ignition switch is in the OFF position; then remove the seats.
2. Locate the diagnostic plug next to the PDM; then remove the black rubber cap.
3. Connect the Test Plug from Test Plug/Error Code List to the diagnostic plug.
4. Turn the ignition switch to the ON position and read the error code on the LCD. Refer to the following ECU Error Code List to identify the specific problem area.
ECU Error Code List
NOTE: Each of the following numerical codes will have a two-letter prefix. A prefix of AC (Active Code) or SC (Stored Code) will be displayed.
Always correct and clear Active Codes before clearing Stored Codes.
• 00 = No Fault Detected (active code only)
• 12 = CKP (Crankshaft Position) Sensor*
• 13 = APS (Air Pressure Sensor) - H1
• 13 = MAP (Manifold Absolute Pressure) Sensor - H2
• 14 = TPS (Throttle Position Sensor)
• 15 = ECT (Engine Coolant Temperature) Sensor
• 16 = Speed Sensor
• 21 = IAT (Inlet Air Temperature) Sensor
• 23 = Tilt Sensor*
• 24 = Ignition Coil #1*
• 26 = Ignition Coil #2* - H2
• 32 = Fuel Injector #1*
• 34 = Fuel Injector #2* - H2
• 40 = ISC (Idle Speed Control) Valve
• 41 = Fuel Pump Relay*
• 60 = Cooling Fan Relay
• 95 = Sensor Power
• 96 = Incorrect ECU*
• 97 = ECU Memory Power (constant battery power)
• 98 = ECU to Gauge Comm Link - H2
• 99 = Start/Run Not Possible (active code only)
*Will initiate code 99.
After all stored codes are cleared, clear the error code(s) using the following procedure.
NOTE: The ignition switch should be in the OFF position.
1. With the test plug connected to the diagnostic plug and the drive select switch in the 4WD position, hold the reverse override switch down and turn the ignition switch to the ON position.
2. After ten seconds, release the reverse override switch and turn the ignition switch to the OFF position; then turn the ignition switch to the ON position. The display should read AC00 (no fault detected).
NOTE: If the LCD still displays an error code, continue troubleshooting the appropriate component.
If not
If you don't have the plug, jump the blue/red wire to black with a paper clip or similar object
ECU Error Codes
If a sensor fails or an out-of-tolerance signal is sensed by the ECU, an error code will be generated by the ECU. This will result in the analog needle swinging full scale. The EFI icon will flash.
To read the error code(s), use the following procedure:
1. Make sure the ignition switch is in the OFF position; then remove the seats.
2. Locate the diagnostic plug next to the PDM; then remove the black rubber cap.
3. Connect the Test Plug from Test Plug/Error Code List to the diagnostic plug.
4. Turn the ignition switch to the ON position and read the error code on the LCD. Refer to the following ECU Error Code List to identify the specific problem area.
ECU Error Code List
NOTE: Each of the following numerical codes will have a two-letter prefix. A prefix of AC (Active Code) or SC (Stored Code) will be displayed.
Always correct and clear Active Codes before clearing Stored Codes.
• 00 = No Fault Detected (active code only)
• 12 = CKP (Crankshaft Position) Sensor*
• 13 = APS (Air Pressure Sensor) - H1
• 13 = MAP (Manifold Absolute Pressure) Sensor - H2
• 14 = TPS (Throttle Position Sensor)
• 15 = ECT (Engine Coolant Temperature) Sensor
• 16 = Speed Sensor
• 21 = IAT (Inlet Air Temperature) Sensor
• 23 = Tilt Sensor*
• 24 = Ignition Coil #1*
• 26 = Ignition Coil #2* - H2
• 32 = Fuel Injector #1*
• 34 = Fuel Injector #2* - H2
• 40 = ISC (Idle Speed Control) Valve
• 41 = Fuel Pump Relay*
• 60 = Cooling Fan Relay
• 95 = Sensor Power
• 96 = Incorrect ECU*
• 97 = ECU Memory Power (constant battery power)
• 98 = ECU to Gauge Comm Link - H2
• 99 = Start/Run Not Possible (active code only)
*Will initiate code 99.
After all stored codes are cleared, clear the error code(s) using the following procedure.
NOTE: The ignition switch should be in the OFF position.
1. With the test plug connected to the diagnostic plug and the drive select switch in the 4WD position, hold the reverse override switch down and turn the ignition switch to the ON position.
2. After ten seconds, release the reverse override switch and turn the ignition switch to the OFF position; then turn the ignition switch to the ON position. The display should read AC00 (no fault detected).
NOTE: If the LCD still displays an error code, continue troubleshooting the appropriate component.
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Great info! I keep losing my page!
Ok I learned today that on the port to the side of the fuse box if you connect the purple wire to the black wire it will tell you the code you have on the main screen. I have a AC21 code. The IAP sensor is not working right. I'm going to try and find where it is at tomorrow and go from there. From what I'm seeing online for other machines it sounds like this may be the issue I'm having. The hard part now is to find where it is. Thank you for helping me with this. It has been a project for sure!
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The IAT sensor is usually located in the side of the air box or intake tube before the throttle body.
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How old is the gas? On my 2009 700XTX I had a plug wire separate. It was not visible. The wire is threaded on the plug boot.
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as above old gas would have to be real old or contaminated with water or such .. one year old gas will usually still fire off run crappy but still fire , good call to check wire maybe with a ohm meter .
how's the battery charge , and also check the system grounds / electrical system
how's the battery charge , and also check the system grounds / electrical system
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Nothing worse than an engine that won't start! These Prowlers have taught me lessons that I learned and forgot years ago! Back to basics! LOL
I had a plug wire separate. It was not visible. The wire is threaded on the plug boot. Can you tell me a little more about this? Is it the plug boot on the spark plug? The Battery is new with a full charge and the gas is a little over a year old. I'm going to change it out tonight.
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Plug boot on the spark plug, hold the wire and twist the boot on/off. Also check the boot, I've n those damages also. New boots are available from Arctic Cat.
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Welcome Louis! Hopefully this will help [email protected]
Found a source for a Fuel Injector! And they do recommend a Suzuki injector. Hopefully it will be here this week! As it stands now, my engine is border line lean. I had to pick between my fuel controller, or the ECU that advances timing, and raise the rev limit to 8,300 RPM. They would not work together! The Dynatek unit is working great, and it is programmable, just need the software. This is what I ordered.
LTR 450 - KEIHIN 450cc, 550cc, 225cc OEM Replacement Brand New Keihin, direct-fit, high-performance fuel injectors for Suzuki LT450R
Ready to install
For modified and OEM stock-equivalent (225cc)
Complete with all new o-rings and/or rubber grommets
Choose your flow-rate using drop-down menu (450cc, 550cc)
3 Flow Rates:
1. (OEM flow rate is 225 cc/min)
2. 450 cc/min at 43.5 PSI (3.0 BAR)
3. 550 cc/min at 43.5 PSI (3.0 BAR)
Resistance: 12.2 Ohms
Voltage: 8-15 Volts, Nominal 13.5 Volts
Amperage: 1.0 Amps
Excellent atomization for high compression engines.
Pressure: Min. 36 PSI (2.5 bar), Max. 101 PSI (7 bar)
Surface finish: black composite
LTR 450, LT450R
Found a source for a Fuel Injector! And they do recommend a Suzuki injector. Hopefully it will be here this week! As it stands now, my engine is border line lean. I had to pick between my fuel controller, or the ECU that advances timing, and raise the rev limit to 8,300 RPM. They would not work together! The Dynatek unit is working great, and it is programmable, just need the software. This is what I ordered.
LTR 450 - KEIHIN 450cc, 550cc, 225cc OEM Replacement Brand New Keihin, direct-fit, high-performance fuel injectors for Suzuki LT450R
Ready to install
For modified and OEM stock-equivalent (225cc)
Complete with all new o-rings and/or rubber grommets
Choose your flow-rate using drop-down menu (450cc, 550cc)
3 Flow Rates:
1. (OEM flow rate is 225 cc/min)
2. 450 cc/min at 43.5 PSI (3.0 BAR)
3. 550 cc/min at 43.5 PSI (3.0 BAR)
Resistance: 12.2 Ohms
Voltage: 8-15 Volts, Nominal 13.5 Volts
Amperage: 1.0 Amps
Excellent atomization for high compression engines.
Pressure: Min. 36 PSI (2.5 bar), Max. 101 PSI (7 bar)
Surface finish: black composite
LTR 450, LT450R
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851 Posts
Question is that is he getting the pulse from the computer and did he ohm across the injector coil ?
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Yup, We need Tim's input! Thanks Tim
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Is that enough fuel for a 700? They made a orange 700 prowler? Or are we talking about the Suzuki powered 700 ATV 700 from 06. The Tony Stewart. I'm confused.
won`t start Part 2
It`s an 06 /700 Burnt orange with a Suzuki engine .
I only have 1,5 volts to the injector ?
I get the initial pulse when turning the key on . But no gas comes trough the injector
Injector works fine . Jumped it and is ok
There is a distribution box under the seat . But didn`t touch it .
This is what happened : During the last couple rides ,It would occasionally stall , or be hard to start . On the last occasion i was riding for about 5 min from cold morning start and it just quit at 20MPH for no reason . Hasen`t started since.
I have good fire at the spark
All the fuses are good
I get a fuel pulse when turning the key on
I was told to look for a possible short under the seat ????
Any ideas would be appreciated
Th u Lou
OK
It`s an 06 /700 Burnt orange with a Suzuki engine .
I only have 1,5 volts to the injector ?
I get the initial pulse when turning the key on . But no gas comes trough the injector
Injector works fine . Jumped it and is ok
There is a distribution box under the seat . But didn`t touch it .
This is what happened : During the last couple rides ,It would occasionally stall , or be hard to start . On the last occasion i was riding for about 5 min from cold morning start and it just quit at 20MPH for no reason . Hasen`t started since.
I have good fire at the spark
All the fuses are good
I get a fuel pulse when turning the key on
I was told to look for a possible short under the seat ????
Any ideas would be appreciated
Th u Lou
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