Service Manual (KLZ1000C) — page 612 of 762

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17-10 SELF-DIAGNOSIS SYSTEM
Self-Diagnosis
Service Code Reading
○The service code(s) is displayed on the LCD by the two
  or three numbers or letters.
                           NOTE
  ○The service code of the ABS adds “B” at the left side of
    the code.
  ○The service code of the IMU adds “E” at the left side of
    the code.
○For DFI system and immobilizer system (equipped mod-
 els), when there are two or more problems, all the service
 codes can be stored and the display will begin starting
 from the lowest number service code in the numerical or-
 der.
○For ABS, the service codes display at random.
○Then after completing all codes, the display is repeated
 until the ignition switch is turned off or push and hold the
 upper button and reset button.
○For example, if three problems occurred in the order of
 46, 11, 31, the service codes are displayed (each two
 seconds) from the lowest number in the order listed as
 shown below.
  (11 → 31 → 46) → (11 → 31 → 46) → · · · (repeated)
○Pushing the upper button while displaying the service
 codes, the LCD displays the next service code.
Service Code Erasing
• The service codes stored in memory of the ECU can be erased using Kawasaki Diagnostic System.
                                                 NOTE
  ○When erasing the stored service code memory, the accelerator position and throttle position initial
   data of the throttle body are erased. Therefore, you must register the initial data to the ECU. Wait
   the 10 seconds at the idle speed and the coolant temperature 40°C (104°F) or more to register
   the initial data of the sensor position to the ECU.
  If the Kawasaki Diagnostic System is not available, do the following procedures.
1. Turn on the ignition switch and start the engine.
2. Keep the idling speed more than 30 seconds.
3. Run the vehicle more than 5 minutes at a speed of 40 km/h (25 mph) or more.
    Be sure to keep the engine running during procedures 2 and 3 for more than 10 minutes in total.
4. Turn the ignition switch off.
5. Repeat the above procedures 3 times.
6. Start the engine and check that the yellow engine warning indicator light (LED) goes off.
Service Code Table
○The service codes of the immobilizer system appear to system equipped models.
            DTC
Service (Diagnostic
                            System                               Problems
Codes     Trouble
           Code)
           P0120
           P0121
  11       P0122              ETV       Throttle position sensor malfunction, wiring open or short
           P0220
           P0223