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Code 3, Open Dump Solenoid Circuit

  1. Turn ignition off. Disconnect RWAL EBCM connector. Measure resistance between RWAL EBCM terminal No. 9 (White/Green wire) and ground.
  2. If resistance reading is 1-3 ohms, check RWAL EBCM connections. If connections are okay, replace RWAL EBCM. See RWAL ELECTRONIC BRAKE CONTROL MODULE  under REMOVAL & INSTALLATION.
  3. If resistance reading is greater than 3 ohms, disconnect pressure limit valve connector. Measure resistance between limit valve connector terminal No. 3 (White/Green wire) and connector ground terminal No. 4 (Black wire).
  4. If resistance is now 1-3 ohms, repair open in harness White/Green or Black wire. If resistance is greater than 3 ohms, dump solenoid winding is open. Replace pressure limit valve.
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