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Abs-4 - Solenoid Valve Switch Closed

  1. Disconnect solenoid valve harness connector from solenoid valve connector. Using an ohmmeter, check resistance between switch terminal of solenoid valve connector and valve body. See Figure . If resistance is less than 10,000 ohms, replace hydraulic unit. If resistance is greater than 10,000 ohms, go to next step.
  2. Check resistance between switch terminal and ground terminal of solenoid valve connector. See Figure . If resistance is less than 10,000 ohms, replace hydraulic unit. If resistance is greater than 10,000 ohms, go to next step.
  3. Disconnect negative battery cable. Disconnect ABS control unit harness connector. Check resistance between ABS control unit harness connector terminal "F" and chassis ground. See Figure .
  4. If resistance is less than 10,000 ohms, repair short in solenoid valve switch wire between solenoid valve and ABS control unit. If resistance is greater than 10,000 ohms, replace ABS control unit.
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