Subaru IMPREZA GD 2007 Series Manual page 2184

asieps_tobira_IM_US.book 117 ページ ２０１２年１月１７日 火曜日 午後３時４８分
Diagnostic Trouble Code (DTC) Detecting Criteria
BC:DTC P0410 SECONDARY AIR INJECTION SYSTEM
1. OUTLINE OF DIAGNOSIS
Detect NG judging from the secondary air delivery pipe pressure and pulses of the secondary air delivery
pipe pressure.
2. ENABLE CONDITION
Secondary Parameters
Estimate ambient temperature
Battery voltage
Atmospheric pressure
Engine
Pump supply pressure diagnosis
Amount of intake air
Secondary air pump
Combination valve
Combination valve closed pulse diagno-
sis
Feasible area for diagnosis
After fuel cut
Combination valve change over pressure
diagnosis
Amount of intake air
Engine speed
After fuel cut
3. GENERAL DRIVING CYCLE
Perform diagnosis during secondary air pump operation
Enable Conditions
4.4°C (39.92°F)
7 V
563 mmHg
In operation
≥ 2 g (0.07 oz)/second
Operating
Open
≥ 1 (See Map 4)
≥ 500 milliseconds
≥ 2 g (0.07 oz)/second
and
≤ 20 g (0.7 oz)/second
< 4000 rpm
≥ 1,000 milliseconds
GD(STI)-117
GENERAL DESCRIPTION