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Home >> Lexus >> 2006 >> GX 470 >> Repair and Diagnosis >> Engine Performance >> System >> SFI System - Diagnostics >> DTC P0418 Secondary Air Injection System Relay "A" Circuit >> Component Operating Range

Component Operating Range

COMPONENT OPERATING RANGE

Diagnostic signal duty ratio from air injection driver 70 to 90% when secondary air injection system operating
and
0% when secondary air injection system not operating