Outline Of Diagnosis
Judge as NG when any one of the followings is established.
Judgment1:
When the input amplifier circuit operation of throttle position sensor 1 is abnormal.
Judgment2:
When the learning value of backup RAM is incorrect.
Judgment3:
When SUM value of backup RAM is outside the standard value.
Judgment4:
When the communication between main CPU and sub CPU is abnormal.
Judgment5:
If the CPU operation is abnormal.
Judgment6:
If the CPU operation is abnormal (FPU check).