Diagnostic Method
Judge as NG when the continuous time of completing the malfunction criteria below becomes more than 5 seconds.
Judgment Value
JUDGMENT VALUE
| Malfunction Criteria | Threshold Value |
|---|---|
| Voltage | ≥ 10.9 V |
| Time after engine starting | ≥ 50 sec. |
| Cumulative amount of the front lambda sensor heater control duty every 128 milliseconds. | ≥ 28000% |
| Front oxygen (A/F) sensor impedance. | ≥ 500 Ω |
Time Needed for Diagnosis: 5 seconds
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.