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BRAKELIGHT Switch Circuit Check

  1. Ensure ignition is off. Disconnect harness connector at CC ECU. Using ohmmeter, check continuity between CC ECU harness connector terminals No. 3 (Gray/Red wire) and terminal No. 15 (Blue wire) with brake pedal released. See. Continuity should exist.
  2. If no continuity exists, check wiring and harness connectors. See appropriate wiring diagram under WIRING DIAGRAMS  . Repair wiring or harness connectors as necessary.
  3. If wiring and harness connectors are okay, check brakelight switch. See BRAKELIGHT SWITCH TEST  under COMPONENT TESTS.
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