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P0300, P0301, P0302, P0303, P0304, P0305, P0306 MISFIRE EC-261 < DTC/CIRCUIT DIAGNOSIS > [VQ35HR] C D E F G H I J K L M A EC N P O 2. Perform “POWER BALANCE” in “ACTIVE TEST” mode with CONSULT-III. 3. Check that each circuit produces a momentary engine speed drop. Is the inspection result normal? YES >> GO TO 9. NO >> GO TO 4. 4. CHECK FUNCTION OF FUEL INJECTOR 1. Start engine and let it idle. 2. Listen to each fuel injector operation. Is the inspection result normal? YES >> GO TO 5. NO >> Perform trouble diagnosis for FUEL INJECTOR, refer to . 5. CHECK FUNCTION OF IGNITION COIL-I CAUTION: Perform the following procedure in a place with no combustible objects and good ventilation. Turn ignition switch OFF. 2. Remove fuel pump fuse (1) in IPDM E/R (2) to release fuel pres- 3. Start engine. 4. After engine stalls, crank it 2 or 3 times to release all fuel pres- 5. Turn ignition switch OFF. 6. Remove all ignition coil harness connectors to avoid the electri- 7. Remove ignition coil and spark plug of the cylinder to be 8. Crank engine for 5 seconds or more to remove combustion gas in the cylinder. 9. Connect spark plug and harness connector to ignition coil. 10. Fix ignition coil using a rope etc. with gap of 13 - 17 mm (0.52 - 0.66 in) between the edge of the spark plug and grounded metal 11. Crank engine for approximately 3 seconds, and check whether spark is generated between the spark plug and the grounded CAUTION: • Never place to the spark plug and the ignition coil within 50 cm (19.7 in). Be careful not to get an electrical shock • It might damage the ignition coil if the gap of more than 17 mm (0.66 in) is made. Is the inspection result normal? YES >> GO TO 9. NO >> GO TO 6. Clicking sound should be heard. PBIB3332E Spark should be generated. JMBIA1506ZZ JMBIA0066GB |