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Home >> Lexus >> 2003 >> GS 300 L6-3.0L (2JZ-GE) >> 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

CIRCUIT DESCRIPTION

This is the backup power source for the A/C control assembly. Power is supplied even when the ignition switch is off and is used for diagnostic trouble code memory, etc.

Wiring Diagram:






Step 1 - 2:




Step 3:




INSPECTION PROCEDURE
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