2020 Subaru Forester P code Page 25

3. ENABLE CONDITION

4. GENERAL DRIVING CYCLE

Perform the diagnosis only once after engine start.

5. DIAGNOSTIC METHOD

Abnormality Judgment

Judge as NG if the criteria below are met.

Timer for diagnosis after engine start

a. Timer stop at fuel cut

b. During the driving conditions except a) above, timer counts up as follows. 64 milliseconds + TWCNT milliseconds (at the time of 64

milliseconds)

TWCNT is defined as follows,

TWCNT = 0 at idle switch ON,

TWCNT show on the following table at idle switch OFF.