BOO Brake on-off BTDS Before top dead center C CAB ABS control unit with electromagnetic coil CANP Canister Purge exhaust valve CMP Sensor Camshaft position sensor (crankshaft turning angle sensor) CO Carbon monoxide CKT Circuit CPP Switch Clutch pedal position switch (clutch switch) CPS Crankshaft position sensor CPU Central processing unit CVT Continuously variable transmission CRS Child restraint system CTS Coolant temperature sensor D DC Direct current DLC Digit link connector (series data link) DOHC Double overhead camshaft engine DOJ Double offset joint DRL Daytime running light DTC Diagnostic trouble code, diagnostic code DS Detonation sensor E ECA Electronic control assembly EBCM Electronic control module (anti-lock brake module) ECM Engine control module ECT Engine coolant temperature ECT Sensor Engine coolant temperature sensor EFE Heater Early fuel evaporation heater EFI Electronic fuel injection EGR Exhaust gas recirculation EGRT Sensor EGR temperature sensor EMI Electro magnetic interference 17