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Solenoid Valve

  1. Turn ignition switch to the "ON" position. Connect voltmeter across ground and terminal No. 32 of ECU connector. Jumper terminal No. 27 of ECU connector to ground.
  2. Solenoid valve relay should switch on and voltmeter should register battery voltage.
  3. If fault is indicated, check wiring harness from ECU connector to hydraulic modulator. If wiring is not at fault, substitute a good relay and retest.
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