Malfunction Threshold

One of these symptoms occur:

Symptom 1

The average value of the battery current sensor input deviates from the range of 2.24 V to 2.76 V.

Symptom 2

The absolute current value difference between the ISOC signal and the ISOCF signal is 10 A or more for at least 2 seconds when the battery current sensor current value is in the range of -30 A to 30 A.