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Diagnostic Method

Judge as NG when the following conditions are established with diagnosis enable conditions successful.

JUDGMENT VALUE CHART

Malfunction Criteria Threshold Value
Duration time of (Standard ignition timing - Actual ignition timing ≤ 0 °CA) > 5000 ms

Time Needed for Diagnosis:  5000 ms

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

Judge as OK and clear the NG if the following conditions are established.

JUDGMENT VALUE CHART

Malfunction Criteria Threshold Value
Duration time of (Standard ignition timing - Actual ignition timing > 0 °CA) > 1000 ms

Time Needed for Diagnosis:  1000 ms