Diagnostic Method
WARNING: This page is about a different variant/trim than selected.
Detect the trouble by calculating the time from the beginning of the fuel cut to the beginning of the rear oxygen sensor voltage starting to drop.
Fig 1: Beginning Of The Fuel Cut To The Beginning Of The Rear Oxygen Sensor Voltage Starting To Drop Graph
- Abnormality Judgment
Judge as NG when the following conditions are established.
JUDGMENT VALUE CHARTMalfunction Criteria Threshold Value Time when rear oxygen sensor voltage changed to 0.5 V after the fuel cut started. > 4000 ms Time Needed for Diagnosis: 10 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.
- Normality Judgment
Judge as OK and clear the NG if the following conditions are established.
JUDGMENT VALUE CHARTMalfunction Criteria Threshold Value Time when rear oxygen sensor voltage changed to 0.5 V after the fuel cut started. ≤ 4000 ms Time Needed for Diagnosis: 10 seconds