Diagnostic Method
- Abnormality Judgment
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
JUDGMENT VALUE REFERENCE CHARTMalfunction Criteria Threshold Value Terminal voltage level when ECM outputs ON signal
orHigh level Terminal voltage level when EGR operates High level Time Needed for Diagnosis: 2500 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
- Normality Judgment
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 REFERENCE CHARTMalfunction Criteria Threshold Value Terminal voltage level when ECM outputs ON signal Low level Terminal voltage level when EGR operates Low level Time Needed for Diagnosis: 256 ms