|
|
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-270 DTC SET CONDITIONS . Check Conditions • After 2 seconds or more pass from the time when the monitor determines normally for detecting an • Cylinder 1, 4 heated oxygen sensor (rear) signal voltage has continued to be 0.15 volt or lower. • Engine coolant temperature is higher than 76°C (169 °F). • Mass airflow sensor output is 6 g/sec or more. • At least 20 seconds have passed since fuel shut off control was canceled. • Monitoring time: 8 seconds. START V F > =4.5V 2secs HAS PASSED YES YES YES NO NO NO MALFUNCTION MONITORING CONDITIONS YES NO MONITORING CONDITIONS +5V ON AK401414 V F < 0.15V 8secs HAVE PASSED YES YES NO NO END MALFUNCTION GOOD MODULATE A/F CONDITION TO RICH |