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Home >> Chrysler >> 1990 >> Imperial >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.3L >> DRB-II Diagnostic Mode
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DRB-II Diagnostic Mode

  1. Turn ignition off. Attach DRB-II Tester (C-4805) to self-test connector. Connector is located in engine compartment near left shock tower.
  2. Start engine (if possible). With foot on brake, move transmission shift lever through all positions, ending in Park. Turn A/C switch on, then off (if equipped).
  3. Turn engine off. Without starting engine again, turn ignition on. Enter vehicle model year and engine size. Read fault data on DRB-II. Refer to NO START TEST 1 (NS-1) or DRIVEABILITY TEST 1 (DR-1) for your engine.
NOTE: Actuator, sensor, solenoid and switch tests available on DRB-II will vary depending on engine, transaxle and emission packages.
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