Acho que vou comprar esse que o Phill mostrou, só que no Ebay (U$8,07)
Ligo no notebook e fica perfeito
Mini ELM327 V1.5 Bluetooth OBD-II OBD2 Car Auto Diagnostic Scanner Tool AdapterOBD SCAN&Bluetooth of PC/PDA/mobile/etc.OBD SCAN is the newly developed wireless scan tool. It supports OBD-II protocols
Features:
Automatic
SAE J1850 PWM(41.6Kbaud)
SAE J1850 VPW(10.4Kbaud)
ISO9141-2(5 baud init,10.4Kbaud)
ISO14230-4 KWP(5 baud init,10.4 Kbaud)
ISO14230-4 KWP(fast init,10.4 Kbaud)
ISO15765-4 CAN(11bit ID,500 Kbaud)
ISO15765-4 CAN(29bit ID,500 Kbaud)
ISO15765-4 CAN(11bit ID,250 Kbaud)
ISO15765-4 CAN(29bit ID,250 Kbaud)
SAE J1939 CAN(29bit ID,250*Kbaud)
USER1 CAN(11*bit ID,125*Kbaud)
USER2 CAN(11*bit ID,50*kbaud)
*default settings(user adjustable)
Works with all OBD-II compliant vehicles
Wireless (Bluetooth) 5~10 meter
Software included for Palm, PDA,Mobile
Software included for Windows PC
Software included for Windows Smartphone
Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database).
Clear trouble codes and turn off the MIL ("Check Engine" light)
Display current sensor data, including:
Engine RPM
Calculated Load Value
Coolant Temperature
Fuel System Status
Vehicle Speed
Short Term Fuel Trim
Long Term Fuel Trim
Intake Manifold Pressure
Timing Advance
Intake Air Temperature
Air Flow Rate
Absolute Throttle Position
Oxygen sensor voltages/associated short term fuel trims
Fuel System status
Fuel Pressure
Vou deixar essa imagem registrada aqui no fórum