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Home >> Lexus >> 2007 >> GX 470 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC P0657 - P2A03 >> DTC P1613: Secondary Air Injection Driver Malfunction >> Component Operating Range
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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 is operating
and
0% when secondary air injection system is not operating
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