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Electrical Test - "Resume" System

  1. Check all fuses and connections. Adjust brake release valve and switch. Disconnect switch harness 3-wire connector at lower end of steering column. Check switch continuity using continuity chart.
    "RESUME" SWITCH CONTINUITY CHART

    Button Slider Continuity
    Released OFF None
    Released ON Blu-Blk
    Released RESUME Brn-Blu-Blk
    Half In ON None
    Full In ON Brn-Blu
    Releasing ON Brn-Blu-Blk
  2. Disconnect resume connector at transducer. Inside passenger compartment, connect an ohmmeter between Dark Green wire (in engage switch connector) and ground. Resistance should measure 31-35 ohms. If not, check transducer ground.
  3. Disconnect main wiring connector at transducer. With resume connector still unplugged, measure between Dark Green wire (in engage switch connector) and each terminal of resume connector. One terminal should have between 25-29 ohms resistance, which will drop to zero when brake pedal is depressed.
  4. The other terminal in resume connector should have continuity to ground. If not, repair brake switch or harness. Connect resume wiring on transducer. Measure resistance between "Hold" terminal on transducer and ground. If not 5-7 ohms, check ground connection.
  5. Apply battery voltage to "Hold" terminal. Resume valve should pull in, and solenoid in transducer engage. If not, replace resume valve or transducer as necessary.
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