FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Lexus
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1995
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ES 300 V6-3.0L (1MZ-FE)
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Repair and Diagnosis
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Powertrain Management
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Testing and Inspection
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Component Tests and General Diagnostics
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A/C Idle Up Circuit
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Description
Description
CIRCUIT DESCRIPTION
When the air conditioning operates (increased engine load), this circuit switches the VSV ON and increases the amount of bypass air to increase the
idle speed
, thus maintaining driveability.