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Judgment Value

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Low   
Output voltage < 1.74 V
Engine speed ≥ 2000 rpm
Throttle opening angle ≥ 15 °
Intake manifold pressure ≥ 73.3 kPa (550 mmHg, 21.7 inHg)
High (1)   
Output voltage ≥ 1.83 V
Engine speed 525 rpm - 850 rpm
Throttle opening angle < 3.5 °
Intake manifold pressure ≥ 46.7 kPa (350 mmHg, 13.8 inHg)
High (2)   
Output voltage ≥ 1.73 V
Engine speed 525 rpm - 850 rpm
Throttle opening angle < 3.5 °
Intake manifold pressure ≥ 46.7 kPa (350 mmHg, 13.8 inHg)
Fuel system diagnosis Rich side malfunction

Time Needed for Diagnosis: 

Low: 5000 ms

High: 5000 ms

Malfunction Indicator Light Illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.

Judge as OK and clear the NG when both Low side and High side become OK.

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.



JUDGMENT VALUE

Malfunction Criteria Threshold Value
Low   
Output voltage ≥ 1.74 V
Engine speed ≥ 2000 rpm
Throttle opening angle ≥ 15 °
Intake manifold pressure ≥ 73.3 kPa (550 mmHg, 21.7 inHg)
High   
Output voltage < 1.83 V
Engine speed 525 rpm - 850 rpm
Throttle opening angle < 3.5 °
Intake manifold pressure < 46.7 kPa (350 mmHg, 13.8 inHg)
Fuel system diagnosis Rich side normal

Time Needed for Diagnosis: 

Low: Less than 1 second

High: Less than 1 second