Diagnosis & Repair (With Hand-Held Tester)

WARNING: This page is about a different car, the 2003 Lexus ES 300. 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.

Fig 1: Brake Switch Wiring Diagram

Fig 2: Diagnosis & Repair Of Brake Switch Circuit