LEMON Manuals
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GX 460 Luxury
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System (Diagnostic Codes) (3 Of 7)
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SFI System
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DTC P0418: Secondary Air Injection System Control "A" Circuit [08/2015 - 08/2018]
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Component Operating Range
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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.