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Home >> Lexus >> 2009 >> GX 470 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control (SFI) System (Diagnostic Codes (P0010-P0505)) >> SFI System >> DTC P0418: Secondary Air Injection System Control "A" Circuit >> Component Operating Range
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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
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