Outline Of Diagnosis

Detect the malfunction of crankshaft position sensor output property.

Judge NG when continuing not to input the camshaft position sensor signal.

Fig 1: Camshaft Position Sensor Signal Circuit Graph

Courtesy of SUBARU OF AMERICA, INC.

• Cylinder judgment method 

  When BTDC97°CA crankshaft position sensor signal is input, judge what cylinder piston is brought to the top dead center of compression by camshaft position sensor signal number.

  Fig 2: Camshaft Position Sensor Signal Table

  Courtesy of SUBARU OF AMERICA, INC.