ZEST BOLT Service Manual

Revotron 1.2T 160 iii. Dump Valve : Component Details : Turbocharger bypass valve is a solenoid valve, whose magnetic coil is energized to open the valve. Valve can be opened in any position between its 0% opening to 100% opening by controlling the magnetic coil energization. Component Location : Preliminary Checks : 1. Loose/ Damaged Connections between bypass valve and EMS ECU. 2. Check for back out of pins at both bypass valve connector and ECU connector. 3. Check for damage of pins at both bypass valve connector and ECU connector. 4. Check the continuity bypass valve connector pins to the ECU pins. 5. Check whether the bypass valve is getting main relay power supply. Circuit Schematic Diagram : Connector Information : Dump Valve 63700112250 HSG-2P C156