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Home >> Subaru >> 1996 >> Legacy Outback, 2.5 6 >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Anti-Lock Brake System - Except 5.3 Abs Or Abs/TCS) >> Testing >> Test 9: Stoplight Switch Problem

Test 9: Stoplight Switch Problem

WARNING: This page is about a different car, the 1995 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect brakelight operation. Repair as necessary. See WIRING DIAGRAMS  . Turn ignition off. Disconnect ABS control unit harness connector. Measure voltage between ABS control unit harness connector terminals No. 10 and 25. See Figure .
  2. Voltage should be 4 volts or greater when brake pedal is depressed. If voltage is as specified, replace ABS control unit. If voltage is not as specified, inspect and repair circuit as necessary. See WIRING DIAGRAMS  .