does this tool can do on-board monitoring test ?

Hello Dear, yes! ediag ya-101 obd2 scanner can do on-board monitoring test.it reads 40 live data PIDs,including FUELSYS(fuel system status), LOAD_PCT(Calculated load value), ECT(Engine Coolant Temperature), SHRTFT(Short term fuel trim-bank), LONGFT(Long term fuel trim-bank), Engine RPM, VSS(Vehicle Speed Sensor), SPARKADV(Ignition timing advance for cylinder 1), IAT(Intake air temperature), MAF(Mass Air Flow), TP(Absolute Throttle Position), EQ_RATB1S1(Equivalence Ratio Bank 1, Sensor1), O2B1S1(Oxygen sensor output voltage), EVAP_PCT(Commanded Evaporative Purge), etc.

what’s the difference from ad310 and ms309?

Here are differences among ya101,ad310 and ms309 as follow: -software difference: ad310 and ms309 only provide some basic obd2 functions. But ediag ya-101 obd2 scanner is capable of full OBD2 diagnostic functions like Read/Erase codes, I/M Readiness, Data Stream, Freeze Frame, Support to O2 Sensor Test, On-board Monitor Test(mode 6), EVAP System Test(mode 8), Vehicle Information. -Hardware difference: ediag ya-101 obd2 scanner equipped with 35.5 inch long diagnostic cable.but ad310 only has 2.5 feet cable. Our ya-101 comes with 1.8 inch color screen,but ad310 and ms309 only have black and withe screen.

ya 101 tool is compatible with toyota solara year of 2001 ?

Yes any car or truck, that's 97 and up, , take note,,,it monitors/checks everything , but no abs sensors,

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2026 Ver. EDIAG OBD2 Scanner YA-101 Auto Code Reader for Check Engine Light,O2 Sensor,EVAP Test,On-Board Monitor Test,Smog Check,OBD2 Diagnostic Scan Tool for All OBD2 Cars Since 1996-Upgrade Version

Product ID: 161043062

Details

Brand
EDIAG
Operating System
Windows XP
Power Source
Battery
Product Dimensions
3"L x 2"W x
Screen Size
1.8 Inches

🌐Supports 9 languages

📊40+ live data PIDs

🔧10 OBD2 modes support

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$U1894

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Sold byAmazon UruguayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚗 Diagnose Like a Pro, Save Like a Boss!

COMPLETE OBD 2 DIAGNOSTIC POWERHOUSE - Unlock all 10 OBD2 modes including EVAP & Mode 6 for pro-level insights.
UNIVERSAL COMPATIBILITY ACROSS 12 V CARS - Works seamlessly with virtually all OBD2 vehicles from 1996-2026.
REAL TIME ENGINE DATA AT YOUR FINGERTIPS - Monitor 40+ live parameters like RPM, O2 sensors & coolant temp instantly.
BUILT IN CODE LIBRARY BATTERY HEALTH CHECK - Decode fault codes instantly and keep your battery status in check.
PLUG PLAY SIMPLICITY WITH LIFETIME UPDATES - No registration needed, plus free lifetime software updates via USB.

The 2026 Ver. EDIAG YA-101 is a compact, user-friendly OBD2 scanner designed for all 12V gasoline vehicles from 1996 to 2026. It supports all 10 OBD2 diagnostic modes, offers live data streaming of over 40 engine parameters, and includes a built-in DTC lookup library in 9 languages. With plug-and-play functionality, a 1.8-inch color screen, and free lifetime software updates, it empowers both beginners and pros to quickly identify and clear engine codes, monitor battery health, and pass smog checks with confidence.

Specifications

ASIN	B07YHDFSP3
Best Sellers Rank	#49,234 in Automotive ( See Top 100 in Automotive ) #277 in Code Readers & Scan Tools
Brand Name	EDIAG
Customer Reviews	4.3 4.3 out of 5 stars (3,639)
Item Dimensions L x W x H	3"L x 2"W x 6"H
Manufacturer	EDIAG
Manufacturer Part Number	1
Model Number	1
Native Resolution	128x64
Operating System	Windows XP
Power Source	Battery Powered
Screen Size	1.8 Inches
UPC	753215881475

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