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Clearing Codes: Cis-E

  1. On Federal vehicles, disconnect vehicle battery. Stored codes are now erased. On California vehicles, disconnecting vehicle battery will not erase codes. Each code stored in CIS-E control unit must be erased individually. Start engine and idle. If using a pulse counter to diagnose vehicle, go to step 3). If pulse counter is not available, go to next step.
  2. If diagnosing a California vehicle, turn ignition on. Press non-locking switch, located on diagnostic connector in right rear corner of engine compartment, for 2-4 seconds. When fault is displayed, press non-locking switch for 6-8 seconds. Fault is now cleared. Continue procedure until all stored faults have been erased.
  3. Press START button on pulse counter for 2-4 seconds maximum. Pulse counter will display fault code. Press start button again for 6-8 seconds. Fault code is erased when pulse counter no longer displays fault code. Repeat procedure for other stored fault codes. When pulse counter displays "1", no faults are stored. Disconnect test equipment.
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