Diagnosis & Repair (Using Hand-Held Tester)

WARNING: This page is about a different car, the 2003 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.

For wiring diagram, see Fig 1. For diagnosis and repair, see Fig 2 and Fig 3 .

Fig 1: Brake Switch Wiring Diagram

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Fig 2: Diagnosis & Repair Of Stop Light Switch (Step 1-3)

Fig 3: Diagnosis & Repair Of Stop Light Switch (Step 4)