Case

One of following conditions met:

A, B, C or D

A. Diagnostic signal duty ratio from air injection control driver

1 % or more, and 10 % or less

B. Diagnostic signal duty ratio from air injection control driver

30 %

C. Diagnostic signal duty ratio from air injection control driver

49 %

D. Diagnostic signal duty ratio from air injection control driver

91 % or more, and 99 % or less

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