The Thinkcar THINKOBD 100 is a DIY obd2 scanner that can Process full 10 Mode obd2 functions. Read Codes, Erase Codes, MIL Fault Indicator Light, Live Data, EVAP System Test, On-Board Monitor Test, View Freeze Frame, O2 Sensor Test, Vehicle Info, I/M Readiness, DTC Code Lookup, All OBDII Compliant Vehicles. This OBD2 Scanner is Easy operate, compact design with a 1.77 in. TFT color screen. The Thinkcar Thinkobd 100 car code reader works on most 1996 and newer US-based vehicles that are OBDII compliant (OBDII protocols: KWP2000, ISO9141, J1850 VPW, J1850 PWM and CAN). Use this obd2 scanner to check the status of emission-related monitors misfire system and fuel system, make sure the monitor was set before taking it to smog. Simple to use.