The ELM 327 is a great entry level diagnostic tool

for small workshops that need to get into vehicle diagnostics. 

This is a "universal" interface,

compatible with all OBD2 Protocols,

so it will work on most cars from 1998 up to the present

(please read information below for compatibility info)

This should be the ELM tool of choice for the

professional or workshop that deals with various cars.

 

 

OBD-II Protocols:ISO15765-4 (CAN) ISO14230-4 (KWP2000) ISO9141-2 J1850 VPW J1850 PWM
Using the FREE OBDSA Scantool Software, or any other generic OBD2 software,
it allows you to :

Read diagnostic trouble codes, both generic and
manufacturer-specific, and display their meaning
Clear trouble codes and turn off the MIL

("Check Engine" light)

Display current sensor data (depending on your vehicle), including: Engine RPMCalculated Load ValueCoolant TemperatureFuel System Status Vehicle SpeedShort Term Fuel TrimLong Term Fuel TrimIntake Manifold Pressure Timing AdvanceIntake Air TemperatureAir Flow RateAbsolute Throttle Position Oxygen sensor voltages/associated short term fuel trimsFuel System status Fuel Pressure