Service Manual (KLZ1000C) — page 619 of 762

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SELF-DIAGNOSIS SYSTEM 17-17
Self-Diagnosis

                               Output Signal
Service         Parts or
                             Usable Range or                     Backups by ECU
Codes           Function
                                   Criteria
                           The air switching
                           valve controls the
          Air Switching    flow of the secondary If the air switching valve fails, the ECU stops
   64
          Valve            air by opening and     the feedback mode of the oxygen sensor.
                           shutting the solenoid
                           valve.
                           The oxygen sensor
                                                  If the oxygen sensor heater fails (wiring short
                           heater raises
          Oxygen Sensor                           or open), the ECU stops the current to the
   67                      temperature of the
          Heater                                  heater, and it stops the feedback mode of the
                           sensor for its earlier
                                                  oxygen sensor.
                           activation.
          Fuel Supply      Fuel correction value
   94                                                                      –
          System           exceeds a threshold.
                           The ECU monitors
                                                  If the ECU senses a battery failure (e.g. low
                           the battery voltage
                                                  battery voltage), the ECU sets to the Limp
                           when the fuel pump
   97     Battery                                 Home Mode (*1). When this error happens,
                           operates.
                                                  the ECU stops all auxiliary controls (Power
                           Detection Voltage:
                                                  Mode, KTRC, Cruise Control System).
                           less than 6.3 V
                                                  If the ETV control circuit fails (circuit voltage
                                                  low or high), the ECU sets to the Limp Home
                                                  Mode 3 (*1-3). When ETV control circuit
          ETV Control                             failure is “ROM check error” or “ASIC error,”
   98                                  –
          Circuit                                 the ECU continues self-reset and does not
                                                  start. When this error happens, the ECU stops
                                                  all auxiliary controls (Power Mode, KTRC,
                                                  Cruise Control System).
                           The IMU sends the
                           data to the ECU and
                                                  If the IMU fails, the KTRC performance is
  E8E     IMU              ABS hydraulic unit
                                                  deteriorated.
                           through the CAN
                           communication line.
                           The IMU sends the
          IMU              data to the ECU and
                                                  If the IMU fails, the KTRC performance is
  E8F     Communication    ABS hydraulic unit
                                                  deteriorated.
          Line             through the CAN
                           communication line.