< Soaking Timer Ic Setting Diagnosis >
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When setting the activation setting time to soaking timer IC, compare the writing value to soaking timer IC with read out value. Judge as malfunction if the values do not match 3 times in a row.
Fig 1: Ignition Switch, Main Relay, Driving Cycle, ECM Counter And Soak Timer IC Counter Timing Pattern (Soaking Timer IC Setting Diagnosis)
- Abnormality Judgment
Judge as NG when the following conditions are established.
JUDGMENT VALUE
| Malfunction Criteria | Threshold Value |
|---|---|
| Writing value and read out value when setting the soaking timer | Unmatch |
| Number of retrying the soaking timer setting | ≤ 3 times |
- Normality Judgment
Judge as OK when the following conditions are established.
JUDGMENT VALUE
| Malfunction Criteria | Threshold Value |
|---|---|
| Writing value and read out value when setting the soaking timer | Match |