Code 21 - VTEC Solenoid Valve

Fig 1: Code 21 Flowchart, VTEC Solenoid Valve (1 of 2)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 2: Code 21 Flowchart, VTEC Solenoid Valve (2 of 2)

Courtesy of AMERICAN HONDA MOTOR CO., INC.