Mike's Workshop Manuals
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2012
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GX 460
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Repair and Diagnosis
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Engine Performance
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Engine Control System (Diagnostic Codes (P0300-P060E))
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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% or more, and 90% or less when secondary air injection system operating.
0% when secondary air injection system not operating.