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Home >> Lexus Truck >> 1997 >> LX 450 L6-4.5L (1FZ-FE) >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Cruise Control >> Cruise Control Module >> Testing and Inspection >> Component Tests and General Diagnostics >> Back-up Power Source Circuit

Back-up Power Source Circuit

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





WIRING DIAGRAM








INSPECTION PROCEDURE
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