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Diagnostic Method

At the main IC, check the sent signal at each timing which occurs just before the tumble generator valve output is set to ON → OFF, and judge open NG when the open NG signal is sent 96 ms x 10 time(s) in a row.

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Overcurrent NG signal input Low

Time Needed for Diagnosis:  96 ms x 10 time(s)

Malfunction Indicator Light Illumination:  Illuminates as soon as a malfunction occurs.

Judge as OK and clear the NG when the OK signal is sent.

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Overcurrent NG signal input High

Time Needed for Diagnosis:  Less than 1 second