Malfunction Threshold

Either one of the conditions is met for at least 10 seconds.

• The peak voltage of the smoothed amplitude of knock sensor 1 (bank 1) is less than 0.0003 V at the engine speed [Engine Speed] of 2,000 rpm.
• The peak voltage of the smoothed amplitude of knock sensor 1 (bank 1) is less than 0.0015 V at the engine speed [Engine Speed] of 4,000 rpm.