CHECK CURRENT DATA.

1) Turn the ignition switch to ON.

2) Read the data of secondary air piping pressure signal using Subaru Select Monitor or general scan tool.

NOTE:

• Subaru Select Monitor

For detailed operation procedures, refer to “READ CURRENT DATA FOR ENGINE”.

• General scan tool

For detailed operation procedures, refer to the general scan tool operation manual.

QUESTION
Is the measured value less than 53.3 kPa (400 mmHg, 15.8 inHg) ?
Yes	No
	Even if DTC is detected, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again. NOTE: In this case, temporary poor contact of connector may be the cause.