B5: Check For O2 Sensor Failure
With the conditions held as B4, suddenly decelerate to idle.
Has the voltage dropped to 400mV or less?
Yes
GO to B6, B6: Check For O2 Sensor Failure
No
Renew O2 sensor, reconnect plug(s).
GO to B8, B8: Stop
With the conditions held as B4, suddenly decelerate to idle.
Has the voltage dropped to 400mV or less?
Yes
GO to B6, B6: Check For O2 Sensor Failure
No
Renew O2 sensor, reconnect plug(s).
GO to B8, B8: Stop