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Description NLEC1633 SYSTEM DESCRIPTION NLEC1633S01 Sensor Input Signal to ECM ECM func- tion Actuator Camshaft position sensor Engine speed EGR vol- EGR volume control valve Mass air flow sensor Amount of intake air Engine coolant temperature sensor Engine coolant temperature Ignition switch Start signal Throttle position sensor Throttle position Vehicle speed sensor Vehicle speed Battery Battery voltage Air conditioner switch Air conditioner operation Power steering oil pressure switch Power steering load signal Electrical load Electrical load signal Park/Neutral position switch Park/Neutral position TCM (Transmission Control Module) Gear position, shifting signal This system controls flow rate of EGR led from exhaust manifold + Extremely light load engine operation + Mass air flow sensor malfunction + Engine idling + Low engine coolant temperature + Excessively high engine coolant temperature + High-speed engine operation + Wide open throttle + Low battery voltage + Engine starting SEF551W DTC P1402 EGR FUNCTION (OPEN) (WHERE FITTED) SR20DE Description EC-921 |