About ToyoSys Scan Pro
ToyoSys Scan Pro is a fast, easy-to-use diagnostic tool for Toyota, Lexus and Scion vehicles. Find out why your Check Engine Light is on, read and clear trouble codes, and access OEM enhanced modules: Engine, ECT/TCM,...
ToyoSys Scan Pro is a fast, easy-to-use diagnostic tool for Toyota, Lexus and Scion vehicles. Find out why your Check Engine Light is on, read and clear trouble codes, and access OEM enhanced modules: Engine, ECT/TCM, ABS/VSC/TRC and SRS Airbag. No ads.
ToyoSys Scan requires an ELM327-compatible OBD2 adapter (Bluetooth or Wi-Fi).
Before purchasing, please check compatibility with your car and adapter using the free version: ToyoSys Scan Free
★ OBD2 ADAPTER
• Tested: OBDLink MX, ELM327 v1.5 Bluetooth, Vgate Bluetooth, ELM327 Wi-Fi
• Compatible: OBDLink family, Kiwi family, Vgate family, BAFX Bluetooth and other ELM327 v1.4+ adapters
• Note: many low-cost "ELM327 v2.1" clones support only part of the ELM327 command set. They can read generic OBD2 data but cannot reach enhanced modules (Engine, ABS, SRS, TCM). For full Toyota diagnostics, please use a genuine or v1.4+ compatible adapter.
★ KEY FEATURES – PRO VERSION
OBD2 (all OBD2-compliant vehicles):
• Read and clear Stored, Pending and Permanent DTCs from every ECU
• Freeze Frame data recorded when the fault occurred
• Turn off the Check Engine Light (MIL) after repair
• Vehicle Information: VIN, Calibration ID (CALID), CVN, In-use Performance Tracking (IPT)
• Smog check: I/M Readiness monitors and MIL status
• Mode $06: On-board monitor test results with min/max limits and pass/fail
• Mode $05: O2 sensor test (non-CAN vehicles)
• Live Data / Data Log: all PIDs supported by your vehicle, metric or English units
Toyota / Lexus / Scion enhanced modules (read and clear):
• Engine and Engine & ECT
• TCM – Transmission Control Module / Electronically Controlled Transmission (ECT)
• ABS/VSC/TRC – Anti-lock Brakes, Vehicle Stability Control, Traction Control
• SRS – Supplemental Restraint System (Airbag)
• Built-in DTC database with over 6,300 trouble code definitions
★ SUPPORT
• Protocols: CAN (ISO 15765-4), KWP2000 (ISO 14230-4), ISO 9141-2, SAE J1850 VPW/PWM
• Vehicles: Toyota, Lexus and Scion
• Connection: Bluetooth and Wi-Fi, auto-connects to your last adapter
Toyota, Lexus and Scion are trademarks of Toyota Motor Corporation. This app is not affiliated with or endorsed by Toyota Motor Corporation.
Previous Versions
Here you can find the changelog of ToyoSys Scan Pro since it was posted on our website on 2018-03-20 04:45:34.
The latest version is 1.4 and it was updated on 2026-10-13 18:30:06. See below the changes in each version.
ToyoSys Scan Pro version 1.4
Updated At: 2026-10-10
Changes: • Android 16 support, rotation, tablets and foldables
• Auto-connects to your last ELM327; fixed Bluetooth on Android 12+
• Wi-Fi adapters: connect timeout, more stable connection
• Reads DTCs, VIN, CALID, CVN from every ECU
• More accurate Freeze Frame, Live Data, Mode 06, I/M Readiness and IPT (SAE J1979)
• SI/English units for Live Data and Freeze Frame
• Fixed stuck reading after Back and protocol check that never closed
• SRS fix for K-Line vehicles
ToyoSys Scan Pro version 1.3
Updated At: 2021-10-01
Changes: + Improve Bluetooth connection
+ Fix On-Board Diagnostic Monitor IDs test (Mode $06)
+ Fix Oxygen Sensor Test (Mode $05)
+ Fix Live Data OBD2
+ Improve check protocol OBD2, Engine, ABS, SRS, TCM
+ Fix read DTCs for Old Toyota/Lexus vehicle (ISO 9142, KW2000 Protocol)
+ Update User Interface DTC Freeze Frame
ToyoSys Scan Pro version 1.2
Updated At: 2017-11-02
Changes: Update DTCs Database
Disclaimer
Official Google Play Link
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