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Home >> Lexus >> 1999 >> LS 400 V8-4.0L (1UZ-FE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Control Assembly >> Testing and Inspection >> Back Up Power Source Circuit
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Back Up Power Source Circuit

CIRCUIT DESCRIPTION
This is the back up power source for the A/C control assembly. Power is supplied even when the ignition switch is off and is used for DTC memory, etc..




WIRING DIAGRAM

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INSPECTION PROCEDURE
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