Testing Procedure

WARNING: This page is about a different car, the 2004 Lexus IS 300, 2003 Lexus IS 300, and 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

For wiring diagram see Fig 1. For testing procedure see Fig 2 and Fig 3 .

Fig 1: Wiring Diagram ECU VSC Warning Light Circuit

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Fig 2: Testing Procedure ECU VSC Warning Light Circuit (1 Of 2)

Fig 3: Testing Procedure ECU VSC Warning Light Circuit (2 Of 2)