Autel AL539B Full OBD2 Scanner 3-in-1 Code Reader Battery Tester Avometer for 12 Volts Batteries

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3-IN-1 Combo: OBD2 Scanner + Multimeter + Battery Tester

AL539B Features & Functions

  • 3-in-1 Combo: an OBDII scanner, a multimeter, and a battery tester (for battery health/starter/charging system).
  • Vehicle Coverage: most 1996 and newer OBDII & CAN vehicles across the globe.
  • Full OBD2 Modes Test: turn off the CEL; help pass the smog test; detect most emission-related car issues (graphic live stream, freeze frame data, o2 sensor test, etc.).
  • Patented One-click I/M Readiness: for fast and easy emission readiness checks.
  • Multilingual menu and DTC definitions-English, Spanish and French, etc.
  • Internet updateable and upgradeable
  • Prints data via PC
  • Free update online lifetime

>> Circuit Test (as a Multimeter / AVOmeter)

This is a simple-to-use and feature-packed diagnostic code reader. Contact the probes to a circuit, and you can use it as a multimeter / AVOmeter:
 
  • Test the voltage in both AC or DC components (if > 30V, the scan tool may be damaged).
  • Test the resistance between two circuit points (if > 50 ohms, it will display 0L).
  • Measure the flow of current between 0A~20A (if >20A, the scan tool may be damaged).
  • Can test the diodes (connect the probes to battery terminals correctly).
 

>> Battery Test (diagnose battery health, starter, and charging system status)

Connect this OBD2 scanner to your vehicle via DLC port, or contact the probes to the battery’s terminals. You can also use it to test the battery health, starter, and charging system status.
 
 
Battery Health Test: show battery voltage, and the CCA value in seconds, with concise suggestions of “Good Battery, Charge Battery, and Bad Battery” for your reference.
 
 
Starter Status Test: show crank volt, volt percent, and the crank time, with recommendations of “Cranking Normal, Cranking Abnormal, Cranking Low, and Charge Battery” for you to make the proper decision
 
 
Charging System Test: helps you find out if the output voltage of the generator and the charging current are high or low, or if there is an excessive ripple.
 
 

All Modes OBDII Scanner

The full modes of OBDII diagnostics give you a window into what may be wrong when the check engine light comes on. So you can gain insight into engine health, and even make repairs yourself instead of paying a mechanic. 
  1. Read DTCs (Diagnostic Trouble Codes): to locate the trouble area associated with the Check Engine Light.
  2. Clear DTCs (Diagnostic Trouble Codes): to turn off the Check Engine Light after servicing and repairing.
  3. View dynamic Live Data: to know how the car is performing.
  4. Display I/M Readiness Status: to know if the car is ready for the emissions test.
  5. Show Freeze Frame Data: to see what happened when the fault code is set.
  6. O2 Sensor Test: to check fuel efficiency and emission status.
  7. EVAP Test: for fuel tank system (carbon canister test).
  8. Access to on-Board Diagnostic Monitoring Test Results: to determine if some specific components or the monitors are normal.
  9. Retrieve vehicle information (VIN, CID, and CVN): to track car details and historical records.
  10. Read generic (P0, P2, P3, and U0) and manufacturer-specific (P1, P3, and U1) codes; show the DTCs definition directly, and save the search online. 

We parallel import this unit, please keep the SN secure from others.

NOTE: Not applicable to all models. Please check whether it is suitable for your vehicle model before purchasing.