Subaru 2006 Legacy, Manual

Page: 2866 / 4302

GD(H6DO)-6 8
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
2. COMPONENT DESCRIPTION
3. ENABLE CONDITION
4. GENERAL DRIVING CYCLE
Perform diagnosis only once at a constant speed of 10 to 120 km/h (6.21 to 74.6 MPH) after 60 seconds or
more have passed after the engine starting.
(1) Atmosphere (A) Electromotive force
(2) Exhaust gas (B) Air fuel ratio
(3) ZrO
2
(C) Lean
(4) Ceramic heater (D) Rich
Secondary Parameters Enable Conditions
All secondary parameters enable condi-
tions 1 second or more
Battery voltage > 10.9 V
Atmospheric pressure > 75.1 kPa (563
mmHg, 22.2 inHg)
Closed loop control with main feedback Operating
Front oxygen (A/F) sensor impedance 0
←→
50
Ω
After engine starting 120 seconds or more
Engine coolant temperature
≥
75°C (167°F)
Engine speed 1000
←→
2500 rpm
Vehicle speed 10
←→
120 km/h (6.21
←→
74.6 MPH)
Amount of intake air 10
←→
40 g/s
Engine load < 0.02 g/rev
Learning value of EVAP conc. during
purge
≤
0.2
Total time of operating canister purge 20 seconds or more
(1)
(2)
(4)
(2)
(3)
EN-01693
(C) (B) (D)
(A)
asieps_tobira.book 68 ページ ２００９年１０月２６日 月曜日 午前９時１６分