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2008
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LX 570
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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 - DTC P0128 - P0453
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DTC P0418 Secondary Air Injection System Control "A" Circuit; DTC P0419 Secondary Air Injection System Control "B" Circuit
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Component Operating Range
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.