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Testing Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Lexus GS 430, 2004 Lexus GS 300, 2003 Lexus GS 430, 2003 Lexus GS 300, and 2002 Lexus GS 430. 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 & Fig 3 .

Fig 1: Wiring Diagram IG2 Power Source Circuit
G00199401Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing Procedure IG2 Power Source Circuit (1 Of 2)
G00199402Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Testing Procedure IG2 Power Source Circuit (2 Of 2)
G00199403Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002