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Old 01-10-2005, 07:33 PM   #1
AZScoobie
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Default Scanmaster 3 tested




Recently Mike from fullthrottlespeed.com sent me the Scanmaster 3 to test. One of the perks I get because of all the tuning work I do on these cars. In the pic the small SM3 can be seen at the top of the page. Also pictured is the SM3 outputing its data to a palm.

This little tool has become invaluable to me. I had never heard of the unit or read about it on the boards. I think alot of you are going to want this...

The scanmaster 3 is a small black box with a red LED read out that displays OBD2 data. Its simple to hook up as it plugs in to the OBD port under the dash. It mounts right above the steering column or anywhere you wish.

The default display is wideband AFR and Knock correction. Its pretty nice to have those two values displayed. If you are knocking you will know it by the correction display. AFR displayed is either from the factory AF sensor or any wideband that has an output. They have an optional cable that plugs right into the LM1 which is the meter of choice for me. I can now put the LM1 unit on the floor and watch the SM3's display.

By hitting a button you can scan through many OBD outputs. A couple of my favorite ones are the short and long term fuel trim data. This makes tuning close loop fuel maps a breeze..It saves me so much time its unreal. The unit can display boost, coolant temp, EGT, LT, ST, Knock correction, afr, intake temp, IDC, pulse width and the list goes on and on.. No more messing with the laptop. If you run more then 23 psi you can plug in an external 3 bar map sensor which is a real nice feature. The SM3 even recalls peak numbers so you can see what the highest boost you hit was and the hottest the coolant temp reached ect..

The SM3 also does 0-60 and 1/4 mile times. Kinda like the Gtech meter does. I have not tested this feature.

The SM3 comes with the cables needed to attach it to your laptop computer to view and graph tons of functions including WB AFR data. Great for tuning also.

One of the best features is the fact that you can view DTC trouble codes and clear them right from the SM3 panel! This saves me so much time when tuning its crazy. This thing is a perm addition to my tuning kit. I am really pleased with this thing. Its so simple to use and replaced alot of gauges. The best part about it is that I dont have to drag the laptop out to view data that I need to see. I can walk outside with the SM3 in my hand and view and clear codes on customer cars. Its a real time saver for me.

Couple of points:

Reads and clears OBD Trouble codes
Read just about any Sensor.
Replaces common gauges like boost and coolant temp.
No wiring. Plugs in.
AFR display for LM1 or any other WB.
Shows Knock correction on the fly
Small and easy to use.
costs $229.

Rants... Very few.. mainly some needed additions to the manual. The function of the SM3 is perfect and everything worked. I cant be without this little meter now. I am going to buy this one to travel and tune with and I will buy another to install into my car perm.

Here is the data sheet on the SM3

The Scanmaster 3 is a portable scan tool for monitoring data that is retrieved from the ECU (Engine Control Unit) The unit is intended to be permanently mounted so that it is always available for monitoring the state of tune of the engine.
Special Features: The Scanmaster 3 has many advanced features that set it apart from the competition.
Priority Scan™:: The Scanmaster retrieves data from the ECU as fast as the ECU can send it, however some data is more critical since it changes rapidly (e.g. O2 voltage) and is scanned more often. There are many data items that change slowly, but are very important to monitor (coolant temperature, trim values) and can be scanned less often. The Scanmaster Priority Scan™ handles this and provides large amounts of data without sacrificing the update speed of the critical data. We also use the faster Subaru specific protocall not standard OBD2 like other no specific tools. This also alllows us to display non standare data fields like Knock Correction.

Serial output: The Scanmaster 3 provides a serial port for logging data to a PDA or laptop PC. The output is at high baud rate so the datalogger will never miss any data. We include exclusive WRXd open source palm application designed for this purpose.

Analog inputs: On the rear of the unit is a 3.5mm jack for connecting two 0-5 volt external signals. These signals can be displayed on the Scanmaster as well as logged to a PDA/PC. If a wideband Air/Fuel signal is connected, the Scanmaster 3 can be configured to display that Air/Fuel ratio as the default display. The analog data can be displayed as boost (2 bar, 2.5 bar, 3 bar) and Air/Fuel ratio.

Vehicle speed: The Scanmaster 3 reads the vehicle speed sensor and calculates vehicle speed, acceleration, and performance from the data. Including 0-60, 1/4 mile time and speed, Acceleration in G. If the vehicle speed input is not connected (orange wire) the Scanmaster will use the speed data available thru the OBD-II connection.

PeakCapture: At WOT the maximum acceleration value and RPM at that point, as well as peak boost pressure are saved. To recall these values, press and hold the RECALL button, and the saved values will be displayed (Decimal6 will blink), while holding the RECALL button, press the MODE button to step thru the saved peak values that were captured. When the unit powers up, it is operating in default mode. This mode displays the O2 sensor Air/Fuel Ratio on the left side of the display, and the knock correction value on the right side. After a full throttle run, pressing the recall button will display the highest acceleration value, pressing the MODE button will step thru the other peak values: RPM @ peak accel, and the highest boost pressure. Peak capture is enabled by high throttle.

Expanded modes
- bSt = Boost pressure (psi)
- SP = Spark Advance, degrees.
- *AD1 = Analog 1 from J1 See config
- *AD2 = Analog 2 from J1 See config
- St = Short Term air/fuel learning.
- Lt = Long term air/fuel learning.
- AF = Engine Airflow, in Grams/sec (engine airflow sensor)
- r = Engine RPM
- in = Injector Pulsewidth, in Milliseconds.
- idc = Injector dutycycle, a measure of injector flow, 0-100%
- TPS = Throttle Position Sensor, percent.
- MPH = Vehicle speed,
- Acc = Acceleration (Scaled +2.55/-.99 G)
- *Et = 0-60 or QuarterMile Elapsed Time 0-19.99 sec
- CLt = Coolant Temperature, degrees F
- BAt = Battery Voltage
- AtS = Air Temperature, this sensor is located in the airflow sensor
- EGt = Exhaust Gas Temp. (Degrees F * 1000, 1.27 = 1270°)



External Logging: The Scanmaster has an RS232 port on the rear panel to connect to a PC or PDA to allow external logging. WRXd is included with the Scanmaster for PALM OS PDA's. The included cables and connectors allow connection to the PDA serial sync cable. WRXd uses a high baudrate to ensure no data is missed.




Clark
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Old 01-10-2005, 09:53 PM   #2
hondaeater69
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nice write up, and looks like a nice piece, especially on the palm. '

Is the OBD plug bulky and awkward like the ap plug? ok for everyday or just tuning?
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Old 01-11-2005, 07:35 AM   #3
antimullet
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Looks nice and compact, nice report!
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Old 01-11-2005, 09:27 AM   #4
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Quote:
The default display is wideband AFR and Knock correction. Its pretty nice to have those two values displayed. If you are knocking you will know it by the correction display.
Can you elaborate on this? I assume you mean specifically "on a dyno with steady state loading", correct?
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Old 01-11-2005, 09:32 AM   #5
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So it's essentially an EcuTek-Dash-Display-alike at 40% discount but without EcuTek User Tune features, solenoid control, and with only 2 datapoints displayable natively on the base unit.

Is that fairly accurate?

Thanks for the write-up Clark.
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Old 01-11-2005, 10:16 AM   #6
x99percent
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Quote:
Originally Posted by AZScoobie
One of the best features is the fact that you can view DTC trouble codes and clear them right from the SM3 panel! This saves me so much time when tuning its crazy.
Can the SM3 clear codes without resetting the ECU? (like EcuTeK refuses to do in DeltaDash )
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Old 01-11-2005, 10:36 AM   #7
ride5000
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looks interesting...

thanks for the writeup, clark.
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Old 01-11-2005, 05:41 PM   #8
Nat
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Clark - you say "small," can you guess at the actual dimensions? Just curious if it'll fit well on the steering column. Thanks.
Nat Ward
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Old 01-11-2005, 06:38 PM   #9
Jon [in CT]
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Quote:
Originally Posted by AZScoobie
This little tool has become invaluable to me. I had never heard of the unit or read about it on the boards. I think alot of you are going to want this...
This thread contains the product availability announcement:
http://forums.nasioc.com/forums/showthread.php?t=685861
Quote:
Originally Posted by x99percent
Can the SM3 clear codes without resetting the ECU? (like EcuTeK refuses to do in DeltaDash )
According to Mike's last post in that thread (http://forums.nasioc.com/forums/show...68&postcount=8), it can.

I think it's great to have another product to optimize Subaru performance that performs well and is priced so aggressively low.

Thanks for alerting the community, Clark.
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Old 01-11-2005, 07:15 PM   #10
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i don't plan on tuning my car myself, but i was thinking about getting this just to see how the car is running. the stock sensors are just as accurate as aftermarket gauges, right?
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Old 01-11-2005, 07:54 PM   #11
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I used this tool today to tune an STI to 513whp. Its a great little tool. My main use for it is the ST and LT fuel trims while tuning. J, the SM3 shows the knock correction numbers from the Ecu like delta dash. You can view more data points then two if you use the Palm or PC interface which is included.

The OBD plug is small and does not hang below the dash. The unit is sized to fit right on the top of the steering column. I wish they had a black cord instead of the grey though. If it was black you could not even see it. IA performance makes an OBD extender and Y cable so you can plug this in under the dash for a perm install.

Clark
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Old 01-12-2005, 03:06 PM   #12
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The $229 price is for a limited time it will go up to $249.99. We will add some functionality as we see the need (Clark's input has already been EXTREMLY helpfull, THANKS!) We supply a flash utility and upgrade can be downloaded from our tech board ( www.fullthrottletech.com ) and easily installed as they become available.
We are excited about this product it is the latest in many scan tools we had sold through the years
Mike

Last edited by Full Throttle; 01-13-2005 at 02:15 PM.
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Old 01-12-2005, 07:09 PM   #13
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Thanks for the info, I can across that gizmo a few days ago on the net and have been wondering every since.
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Old 01-13-2005, 05:07 PM   #14
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So, as stated it can clear DTC trouble codes.
So does this mean if I go into limp-mode, figure out the problem, fix it, clear the code via SM3, then I no longer have to do a ECU reset???

If so how does the unit pull the ecu out of limp mode? Merely by clearing the fault code?

Just asking cause that would be kick butt if it could!
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Old 01-18-2005, 06:18 PM   #15
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This is dumb but I really like the scanmaster 3. I am going to order one for sure. I dont know anything about PDA's and there are tons of them, any suggestions as to what to buy for the sole purpose of monitoring the scanmaster 3 info would be great.
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Old 01-18-2005, 06:24 PM   #16
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It resets the computer when you clear codes with the SM3 so yes. I am not sure of which PDA to use as I am using the laptop interface.

C
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Old 01-19-2005, 12:02 AM   #17
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Quote:
Originally Posted by BVM
This is dumb but I really like the scanmaster 3. I am going to order one for sure. I dont know anything about PDA's and there are tons of them, any suggestions as to what to buy for the sole purpose of monitoring the scanmaster 3 info would be great.
I really like the older Sony units. I have an SJ22 that I bought just for logging. It's the one in the pictures. Bright screen, easy to use.

Bob
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Old 01-19-2005, 05:16 AM   #18
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Does anybod know if this little gadget can be used on a Euro Spec WRX STI -2003?
ODB2-wise it should but I do not know if the subaru-specific protocol that this gadget is using differs?

regards,
l-O Strid
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Old 01-19-2005, 12:20 PM   #19
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This looks like a sweet little product. Nice review Clark.
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Old 01-19-2005, 02:29 PM   #20
BVM
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Not sure about that, I spoke with Adam Coe of Downham Market Subaru (here in the UK) about warranty work on my US spec scoob. He wasnt sure if they would be able to diagnose any ECM faults or emissions related problems. Didnt look into it further and I am still waiting on my clutch that took me 9 months to talk SOA into replacing under warranty thru a UK dealer.



Quote:
Originally Posted by loscooby
Does anybod know if this little gadget can be used on a Euro Spec WRX STI -2003?
ODB2-wise it should but I do not know if the subaru-specific protocol that this gadget is using differs?

regards,
l-O Strid
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Old 01-19-2005, 02:30 PM   #21
BVM
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Thanks Bob, trying to find a nice one (SJ22) on ebay right now.

Quote:
Originally Posted by Turbo_Bob
I really like the older Sony units. I have an SJ22 that I bought just for logging. It's the one in the pictures. Bright screen, easy to use.

Bob
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Old 01-19-2005, 08:22 PM   #22
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I have used this unit on 02,03,04 US WRX's, 04 and 05 US STI's and V7 and V8 JDM ECU's without issue. You cannot read EGT on 05 US sTI's. Other then that everything seems to work. Man I love this little tool. Once you have it you will see why its so damn usefull. I lay the LM1 on the floor and use the adapter cable to plug into the SM3 so the SM3 reads the LM1 WB data on the screen. The fuel trim readout is one of the best features and the fact that you can clear codes. I wish you could raise and lower the idle like Delta dash and I wish you could remove timing like you can with delta dash. Other then that and my wish for a black cable instead of the grey one I have no gripes.

Clark
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Old 01-20-2005, 06:46 AM   #23
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Just ordered one of these. I had a palm based OBD scanner that would not work with the Sti but would work on the WRX. This should be much faster than any OBD tool out there as it uses the Subaru Protocall to read the ECU. At least that is how I read the website.


TMS
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Old 01-20-2005, 12:15 PM   #24
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so what is the refresh rate ..is it using subaru select protocol? or obd-2
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Old 01-20-2005, 12:24 PM   #25
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Quote:
Originally Posted by Jaxx
so what is the refresh rate ..is it using subaru select protocol? or obd-2
According to their announcement thread it uses the subaru select protocol and will normally log at about 4-6 measurements per second but if you log fewer things that rate will go up.

If UPS is right I should get mine today for my Legacy GT.
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