Connector View : • Connector Details Component Specification : • The Canister Purge Valve (CPV) meters the gas flow which is generated during regeneration of the activated carbon filter, utilized for fuel tank ventilation. The CPV is triggered by impulses. Duration and frequency are adjusted by EMS ECU depending on the load condition of the engine. Mounted on intake manifold by bracket Sensor Stand alone Diagnosis : • Measure the resistance across the Purge valve terminals at room temperature; it should be 16+/- 2 Ohms. V. ELECTRONIC THROTTLE BODY Component Details : • A DC motor drive is used to move the throttle valve over the complete movement range. The DC motor is directly controlled by the ECU of the Diesel engine. Throttle Valve H-bridge driver of EMS ECU provides bidirectional control with active recirculation and over current detection. Component Location The throttle position sensor is mounted on intake manifold upstream side. Preliminary Checks : • 1. Please check whether dust/mud/any particle is blocking throttle valve. 2. Please check whether the throttle valve is stuck closed. 3. Please check for any throttle body related faults and rectify those faults by following their rectification procedure. CONNEC TOR DESCRIPTION 1 Ground 2 Supply 1.2L REVOTRON CNG PHASE-2 ENGINE 223
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