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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 Figure. For testing procedure, see Fig 1 - Fig 5 .

Fig 1: Testing Procedure Hydraulic Brake Booster Pump Motor ON Time (1 Of 5)
G00199414Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing Procedure Hydraulic Brake Booster Pump Motor ON Time (2 Of 5)
G00198621Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Testing Procedure Hydraulic Brake Booster Pump Motor ON Time (3 Of 5)
G00198622Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: Testing Procedure Hydraulic Brake Booster Pump Motor ON Time (4 Of 5)
G00199415Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 5: Testing Procedure Hydraulic Brake Booster Pump Motor ON Time (5 Of 5)
G00199416Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002