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DTC P0420, P0430 THREE WAY CATALYST FUNCTION EC-325 C D E F G H I J K L M A EC 4. CHECK IGNITION TIMING Check the following items. Refer to OK or NG OK >> GO TO 5. NG >> Follow the 5. CHECK INJECTORS 1. Stop engine and then turn ignition switch ON. 2. Check voltage between ECM terminals 5, 6, 7, 13, 14, 15, 16, 17 3. Refer to Wiring Diagram for Injectors, OK or NG OK >> GO TO 6. NG >> Perform EC-665, "Diagnostic Procedure" 6. CHECK IGNITION SPARK 1. Turn ignition switch OFF. 2. Remove ignition coil assembly from rocker cover. 3. Connect a known-good spark plug to the ignition coil assembly. 4. Disconnect all injector harness connectors. 5. Place end of spark plug against a suitable ground and crank engine. 6. Check for spark. OK or NG OK >> GO TO 7. NG >> Check ignition coil with power transistor and their circuit. Refer to . Items Specifications Ignition timing 12 °
± 5 ° BTDC (in P or N position) Target idle speed 650 ± 50 rpm (in P or N position) Voltage: Battery voltage PBIB0069E SEF575Q |