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Home >> Lexus >> 1997 >> SC 400 V8-4.0L (1UZ-FE) >> Repair and Diagnosis >> Body and Frame >> Locks >> Keyless Entry >> Testing and Inspection >> ECU Power Source Circuit
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

ECU Power Source Circuit

CIRCUIT DESCRIPTION
When the wireless door lock main switch is ON, battery positive voltage is applied to terminal + B of the wireless door lock ECU, causing the ECU to operate.





WIRING DIAGRAM











INSPECTION PROCEDURE