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EC-1146 [YD (WITH EURO-OBD)] DTC P0404 EGR VOLUME CONTROL VALVE Diagnostic Procedure EBS013DW 1. CHECK EGR VOLUME CONTROL VALVE POWER SUPPLY CIRCUIT-I 1. Turn ignition switch OFF, wait at least 10 seconds and then turn ON. 2. Check voltage between ECM terminals 119, 120 and ground OK or NG OK >> GO TO 2. NG >> Go to . 2. CHECK EGR VOLUME CONTROL VALVE POWER SUPPLY CIRCUIT-II 1. Turn ignition switch OFF. 2. Disconnect EGR volume control valve harness connector. 3. Turn ignition switch ON. 4. Check voltage between EGR volume control valve terminals 2, 5 OK or NG OK >> GO TO 8. NG >> GO TO 3. Voltage: Battery voltage MBIB1096E MBIB0911E Voltage: Battery voltage PBIB0431E |