Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

(CARB) OBD II - List of Components Intended to Illuminate MIL

IMPORTANT: Not all vehicles have these components.
^ Transmission Range (TR) Mode Pressure Switch
^ Transmission Turbine Speed Sensor (HI/LO)
^ 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
^ Automatic Transmission Temperature Sensor
^ Transmission Torque Converter Clutch (TCC) Control Solenoid
^ Transmission TCC Enable Solenoid
^ Transmission Shift Solenoid A
^ Transmission Shift Solenoid B
^ 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)