|
|
DTC P0456 EVAP CONTROL SYSTEM EC-459 C D E F G H I J K L M A EC Revision: 2006 August 2006 Murano Diagnostic Procedure NBS0035L 1. CHECK FUEL FILLER CAP DESIGN 1. Turn ignition switch OFF. 2. Check for genuine NISSAN fuel filler cap design. OK or NG OK >> GO TO 2. NG >> Replace with genuine NISSAN fuel filler cap. 2. CHECK FUEL FILLER CAP INSTALLATION Check that the cap is tightened properly by rotating the cap clockwise. OK or NG OK >> GO TO 3. NG >> 1. Open fuel filler cap, then clean cap and fuel filler neck threads using air blower. 2. Retighten until ratcheting sound is heard. 3. CHECK FUEL FILLER CAP FUNCTION Check for air releasing sound while opening the fuel filler cap. OK or NG OK >> GO TO 5. NG >> GO TO 4. 4. CHECK FUEL TANK VACUUM RELIEF VALVE Refer to EC-33, "FUEL TANK VACUUM RELIEF VALVE (BUILT INTO FUEL FULLER CAP)" OK or NG OK >> GO TO 5. NG >> Replace fuel filler cap with a genuine one. SEF915U |