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(a) Cumulative intake air amount 100 gm/sec or more (b) Difference between starting temperature and current temperature 10°C (18°F) or higher (c) Starting coolant temperature 60°C (140°F) or higher AIR pump OFF AIR valve Close Engine speed Less than 4800 rpm Time after engine started 1 second or more Time after AIR in operation 10 seconds or more AIR valve open stuck Not detected AIR pressure sensor open stuck (DTC P2445, P2447) Not in operation Engine load 20% or more TYPICAL MALFUNCTION THRESHOLDS Secondary Air Injection ON (Condition 1) Following conditions are met during AIR ON - Cumulative pressure pulsation 10 kPa or higher AIR pressure 2.4 kPa or higher Secondary Air Injection ON (Condition 2) Following conditions are met during AIR ON - Cumulative pressure pulsation 10 kPa or higher AIR pressure Below 2.4 kPa Secondary Air Injection ON (Condition 3) Following conditions are met during AIR ON - Cumulative pressure pulsation Below 10 kPa AIR pressure 2.4 kPa or higher Secondary Air Injection ON (Condition 4) Following conditions are met during AIR ON - Cumulative pressure pulsation Below 10 kPa AIR pressure Below 2.4 kPa Secondary Air Injection OFF (Condition 1) Following conditions are met during AIR OFF - Cumulative pressure pulsation 30 kPa or higher AIR pressure 2.4 kPa or higher 3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2440-P2443;... |