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2009
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GX 470
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Control (SFI) System (Diagnostic Codes (P0010-P0505))
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SFI System
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DTC P0418: Secondary Air Injection System Control "A" Circuit
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Component Operating Range
Component Operating Range
Diagnostic signal duty ratio from air injection control driver
70 to 90 % when secondary air injection system operating
and
0 % when secondary air injection system not operating