Diagnostic Method

Judge as NG when the following conditions are established.

Judgment1: Instruction check (a) 

Malfunction Criteria	Threshold Value
Instruction value	Different from expected value

Judgment 1: Instruction check (b) 

Malfunction Criteria	Threshold Value
Calculated result from CPU and FPU	Different from expected value

Judgment2: Soft flow check 

Malfunction Criteria	Threshold Value
Process flow result	The result and expected value do not match.

Judgment3: Soft monitor check 

Malfunction Criteria	Threshold Value
High integrated IC motor continuity cut demand	Exist

Judgment4: If the output IC operation is abnormal 

Malfunction Criteria	Threshold Value
Communication between output driver ICs	Communication failure

Judgment5: CAN register check 

Malfunction Criteria	Threshold Value
Writing value to CAN register	Read out value

Time needed for diagnosis: 

Judgment1 - (a): 2time(s)

Judgment1 - (b): 512 ms

Judgment2: 504 ms

Judgment3: 48 ms

Judgment4: 2500 ms

Judgment5: Less than 1 s

Malfunction indicator light illumination:  Illuminates as soon as a malfunction occurs.