Classification Of Symptom Using Freeze Frame Data

Apply the values of «Actual Secondary Pressure» and «Secondary Actual Current» recorded in the freeze frame data onto the graph shown in the following figure, and judge if either low-voltage malfunction or high-voltage malfunction occurs.

Fig 1: Actual/Secondary Pressure Graph

Courtesy of SUBARU OF AMERICA, INC.

NOTE: Symptom that the DTC P0841 illuminates can be classified into 2 patterns.

Low-voltage malfunction: detected due to insufficient oil pressure
High-voltage malfunction: detected due to excessive oil pressure

Fig 1: Actual Secondary Pressure Graph

Courtesy of SUBARU OF AMERICA, INC.

NOTE: Symptom that the DTC P0841 illuminates can be classified into 2 patterns.

Low-voltage malfunction: detected due to insufficient oil pressure
High-voltage malfunction: detected due to excessive oil pressure