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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 and Fig 3 .

Fig 1: Wiring Diagram Pressure Switch Circuit
G00199421Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing Procedure Pressure Switch Circuit (1 Of 2)
G00198631Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Testing Procedure Pressure Switch Circuit (2 Of 2)
G00198632Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002