CARB OBD II Component Monitoring List (MIL Illumination)
California Air Resources Board (CARB) OBD II Comprehensive Component Monitoring List of Components Intended to Illuminate MilIMPORTANT: Not all vehicles have these components. The following components are intended to illuminate the Malfunction Indicator Lamp (MIL).
^ Transaxle/Transmission Range (TR) mode pressure switch
^ Transaxle/transmission turbine speed sensor (HI/LO)
^ Transaxle/transmission vehicle speed sensor (HI/LO)
^ Transaxle/transmission vehicle speed sensor (HI/LO)
^ Ignition sensor (Cam Sync, Diag)
^ Ignition sensor hi res (7x)
^ Knock Sensor (KS)
^ Engine Coolant Temperature (ECT) sensor
^ Intake Air Temperature (IAT) sensor
^ Throttle Position (TP) sensor A, B
^ Manifold Absolute Pressure (MAP) sensor
^ Mass Air Flow (MAF) sensor
^ Components intended to illuminate MIL
^ Automatic transaxle/transmission temperature sensor
^ Transaxle/transmission Torque Converter Clutch (TCC) control solenoid
^ Transaxle/transmission TCC enable solenoid
^ Transaxle/transmission shift solenoid A
^ Transaxle/transmission shift solenoid B
^ Transaxle/transmission 3/2 shift solenoid
^ Ignition Control (IC) system
^ Idle Air Control (IAC) coil
^ Evaporative emission purge vacuum switch
^ Evaporative Emission Canister Purge (EVAP) canister purge