DTC 15: Ignition Output Signal

If self-diagnosis Check Engine light indicates code 15, a problem may exist in the Ignition Output Signal circuit. See Fig 1 and Fig 2 .

Fig 1: Ignition Output Signal Diagnostic Flowchart (1 Of 2)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 2: Ignition Output Signal Diagnostic Flowchart (2 Of 2)

Courtesy of AMERICAN HONDA MOTOR CO., INC.