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Home >> Lexus >> 2003 >> LX 470 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Miscellaneous Controls >> BRAKELIGHT Switch

BRAKELIGHT Switch

  1. Disconnect electrical connector at brakelight switch. Brakelight switch is located near top of brake pedal. Note terminal identification on brakelight switch. See Fig 1.
  2. Using ohmmeter, check that continuity exists between terminals No. 1 and 2 with brake pedal depressed. Check that no continuity exists between terminals No. 1 and 2 with brake pedal released.
  3. Check that no continuity exists between terminals No. 3 and 4 with brake pedal depressed. Check that continuity exists between terminals No. 3 and 4 with brake pedal released. Adjust or replace brakelight switch if operation is not as described.
    Fig 1: Identifying Brakelight Switch Terminals
    G98C11447Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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