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Home >> Chrysler >> 1990 >> Imperial >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.3L >> DRB-II Problems & Error Messages >> No Response Message

No Response Message

  1. Ensure ignition is turned on. Disconnect SBEC 60-pin connector. Using an ohmmeter, check Pink wire of diagnostic connector for continuity to SBEC 60-pin connector cavity No. 25. See Figure through Figure .
  2. Check Light Green wire of diagnostic connector for continuity to SBEC 60-pin connector cavity No. 45. See Figure through Figure . If continuity is not present, repair circuit as necessary. If continuity is present, replace SBEC. Attempt retest.
    • RAM TEST FAILURE Message - Replace DRB-II.
    • CARTRIDGE ERROR Message - Replace DRB-II cartridge.
    • KEY PAD TEST FAILURE Message - Power up DRB-II again with fingers off the keypad. If error message returns, replace DRB-II.
    • HIGH OR LOW BATTERY Message - Correct condition of vehicle battery and reconnect DRB-II.