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The ECM sets the DTC based on diagnostic signals from the AID. MONITOR STRATEGY MONITOR STRATEGY TYPICAL ENABLING CONDITIONS Case 1: TYPICAL ENABLING CONDITIONS - CASE 1 Case 2: TYPICAL ENABLING CONDITIONS - CASE 2 Related DTCs P0418: Secondary air injection system air pump circuit range Required Sensors/Components Air injection control driver Required Sensors/Components Air pump Frequency of Operation Once per drive cycle Duration 3 seconds MIL Operation Immediate Sequence of Operation None Monitor runs whenever following DTCs not present - Secondary air injection pump Operating Secondary air injection switching valve Operating Battery voltage 8 V or higher Ignition switch ON Time after ignition switch off to ON 0.5 seconds or more Starter OFF Time after starter turned from ON to OFF 0.5 seconds or more Monitor runs whenever following DTCs not present - Secondary air injection pump Not operating Secondary air injection switching valve Not operating Battery voltage 8 V or higher Ignition switch ON Time after ignition switch off to ON 0.5 seconds or more Starter OFF Time after starter turned from ON to OFF 0.5 seconds or more
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra
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