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Home >> Lexus >> 1997 >> SC 300 L6-3.0L (2JZ-GE) >> Repair and Diagnosis >> Cruise Control >> Cruise Control Module >> Testing and Inspection >> Back-up Power Source Circuit

Back-up Power Source Circuit

CIRCUIT DESCRIPTION
The ECU back-up power source provides power even when the ignition is off and is used for DTC memory, etc..





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INSPECTION PROCEDURE
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