
JDiag Faslink M1 Bluetooth OBDII Diagnostic Scanner via WeChat on Android, iSO, Windows
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FasLink M1 User manual_EN V1.0
1. The JDiag FasLink M1 is designed for:
- Private DIY car owners who need low-cost daily engine fault detection, battery health inspection and routine maintenance light reset
- Mobile roadside repairmen and small auto shops for fast multi-brand OBD engine troubleshooting
- Used car dealers to check hidden fault codes, read VIN and monitor real-time engine parameters before vehicle transactions
- Global users with Android, iOS or Windows phones who refuse to download third-party diagnostic apps
- Budget vehicle inspectors focusing on emission-related OBD standard testing

2. Supported Key Functions & Features
Vehicle Diagnostic Functions
• Read and clear vehicle fault codes
• Read standard OBDII fault codes
• Read manufacturer specific fault codes
• Read stored fault codes and pending fault codes
• Read vehicle data stream
• Customize data stream display
• Sort data stream entries
• Supports more than 200 PID entries
• Read vehicle VIN code
• Read vehicle protocol information
• Identify vehicle calibration ID
• Read calibration verification code
• Read vehicle protocol ID
Maintenance Functions
• I/M Readiness test
• Monitor up to 14 sensor indicators in real time
• TPMS reset
• Service reset
• Battery test function
• Battery life detection and maintenance suggestions
Smart Features
• WeChat based diagnostic APP
• No additional APP installation required
• Automatic software update through WeChat
• Diagnostic report sharing through WeChat
• Built in user manual
• GPS positioning function
• User center for JDiag product management
• Fast feedback function
Hardware Features
• Bluetooth 4.0 BLE wireless connection
• 20 to 30 meters communication distance
• Fast search and connection speed (about 0.5 seconds)
• Gold plated OBDII pins for stable connection
• Anti drop, dust proof, and scratch resistant housing
• LED indicator for diagnostic and connection status
• ENIG PCB process for improved stability and oxidation resistance
• Supports WiFi, Bluetooth 2.0, and Bluetooth 4.0 connection options
• Environmental friendly packaging design
3. What Vehicles Does It Support?
JDiag FasLink M1 supports vehicles equipped with standard OBDII diagnostic systems.
Supported Vehicle Coverage
• Vehicles with standard OBDII DLC after 2000
• OBDII and CAN compatible vehicles
Supported Vehicle Markets
• European vehicles
• American vehicles
• Asian vehicles
Supported Vehicle Systems
• Engine Control System
• Emission System
• OBDII Diagnostic System
• Battery System
• TPMS System (for supported vehicles)
• Other standard OBDII supported systems
Supported Protocols
• ISO9141-2
• ISO14230-4 (KWP2000)
• ISO15765-4 CAN
• SAE J1850 VPW
• SAE J1850 PWM
Note:
Vehicle compatibility depends on vehicle brand, model, year, and supported OBDII protocols.
4. Please Note the Following Limitations
- Only supports engine OBD diagnosis; NO full-system coverage for ABS, SRS airbag, transmission, body control modules
- Not compatible with motorcycles, heavy trucks, engineering machinery, agricultural vehicles and pre-2000 non-OBD vehicles
- Lacks advanced functions: ECU programming, key matching, mileage correction, injector coding
- Cannot diagnose pure electric vehicles without gasoline engine OBD protocol
- Ultra-niche car models and exclusive OEM advanced functions rely on subsequent database updates
5. Hardware Accessories & Licensing Requirements
- Authorization & Activation: Free one-click activation by scanning QR code in WeChat mini-program; no personal information filling, no activation fees or annual subscriptions
- Extra Equipment Demand: Only a smartphone with WeChat installed is required; no extra cables, adapters or external power needed
- Power Supply: Directly powered by vehicle OBD port, supports 7.9V–30V vehicle voltage
6. FasLink M1 Specification
- Wireless Connection: Bluetooth 4.0 BLE (Bluetooth 2.0 / WiFi optional)
- Supported Protocols: ISO9141-2, ISO14230-4, KWP 15765-4, SAE J1850 VPW, SAE J1850-PWM
- Working Voltage: 7.9V – 30V
- Working Current: 0.24A
- Operating Temperature: -20℃ ~ 40℃
- Storage Temperature: -30℃ ~ 70℃
- Circuit Board: ENIG immersion gold anti-oxidation PCB
- OBD Pins: Gold-plated rust-proof conductive pins
- Housing: Eco-friendly screw-free double-buckle drop-proof plastic
- Box Dimension: 120mm × 80mm × 30mm
- Net Weight: 0.13KG



7. Software Update
- Update Method: Automatic online update pushed by JDiag WeChat mini-program, finished within 2 seconds on startup
- Update Cost: All mini-program function upgrades and vehicle database iterations are 100% free
- Free Update Term: Permanent free automatic updates with no time limit
8. Global Version
Unrestricted full global version without regional lock. Supported multi-languages: English, Simplified Chinese, Traditional Chinese, Japanese, German, French, Italian, Russian, Portuguese, Spanish; more languages will be released continuously for global users.
9. Warranty
12-month official hardware warranty from delivery date. Lifetime free online technical support for mini-program connection, operation and database issues. Damage caused by improper use, drop or water immersion is not covered by warranty.
10. Package List
1pc x JDiag Faslink M1 Bluetooth 4.0
Reviews coming soon.
