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Home >> Lexus >> 2007 >> LS 460 V8-4.6L (1UR-FSE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Testing and Inspection >> Component Tests and General Diagnostics >> Back-Up Power Source Circuit

Back-Up Power Source Circuit

Back-up Power Source Circuit

DESCRIPTION
The back-up power source circuit for the air conditioning amplifier is shown below. Power is supplied even when turning the engine switch off and is used for diagnostic trouble code memory, etc.

Wiring Diagram:






Step 1:




Step 2:




INSPECTION PROCEDURE
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