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Home >> Lexus >> 2001 >> IS 300 L6-3.0L (2JZ-GE) >> Repair and Diagnosis >> Body and Frame >> Body Control Systems >> Body Control Module >> Testing and Inspection >> Component Tests and General Diagnostics >> Ignition Switch Power Source Circuit
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Ignition Switch Power Source Circuit

CIRCUIT DESCRIPTION
When the ignition switch is turned to the ACC position, battery positive voltage is applied to the terminal ACC of the ECU and when the ignition switch is turned to the ON position, battery positive voltage is applied to the terminal IG of the ECU.

Wiring Diagram:






Steps 1 - 3:




INSPECTION PROCEDURE
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