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Home >> Lexus >> 2007 >> GS 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Steering and Suspension >> Steering >> Testing and Inspection >> Component Tests and General Diagnostics >> IG Power Source Circuit

IG Power Source Circuit

IG Power Source Circuit

DESCRIPTION
The troubleshooting procedure for a situation in which no DTCs are output but the P/S warning light is always on is specified here. The P/S warning light remains on when there is an open in the IG circuit inputting power source voltage to the power steering ECU assembly.

WIRING DIAGRAM:





INSPECTION PROCEDURE

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Steps 7-8:







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