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Left Front Solenoid Valves

  1. Ensure ignition is off. Using DVOM, measure resistance between terminals No. 3 and 20 of ABS ECU connector. If resistance is 3-5 ohms, left front inlet solenoid valve is okay; go to step 4). If resistance is not 3-5 ohms, go to next step.
  2. Disconnect valve block connector. Measure resistance between valve block terminals No. 6 and 7. Left front inlet solenoid valve resistance should be 3-5 ohms. If resistance is not 3-5 ohms, replace valve block. If resistance is 3-5 ohms, go to next step.
  3. Check Green/White wire between terminal No. 20 of ABS ECU connector and terminal No. 6 of valve block connector for a short or open circuit. Repair wiring as necessary. Also, ensure Red/Yellow wire between terminal No. 3 of ABS ECU connector and terminal No. 7 of valve block connector is not shorted or open. If Green/White and Red/Yellow wires are okay, go to next step.
  4. Using DVOM, measure resistance between terminals No. 2 and 3 of ABS ECU connector. If resistance is 5-7 ohms, left front outlet solenoid valve is okay, go to step 6). If resistance is not 5-7 ohms, go to next step.
  5. Disconnect valve block connector. Measure resistance between valve block terminals No. 5 and 7. Left front outlet solenoid valve resistance should be 5-7 ohms. If resistance is not 5-7 ohms, replace valve block. If resistance is 5-7 ohms, check Green/Yellow wire between terminals No. 2 of ABS ECU connector and No. 5 of valve block connector for a short or open circuit. Repair wiring as necessary. If Green/Yellow wire is okay, go to next step.
  6. Ensure ignition is off. Connect a jumper wire between ABS ECU connector terminals No. 1, 2 and 20. Press and hold brake pedal. Left front wheel should not rotate. Turn ignition on. Left front wheel should now rotate, but brake pedal should not go to floor. If left front wheel and brake pedal do not function as described, replace valve block assembly.
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