Service Manual (KLZ1000C) — page 617 of 762

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SELF-DIAGNOSIS SYSTEM 17-15
Self-Diagnosis

                                 Output Signal
Service       Parts or
                                Usable Range or                    Backups by ECU
Codes         Function
                                     Criteria
                              Front wheel rotation
                              sensor must send 48
          Front Wheel                               When this error happens, the ECU stops all
   27                         signals to the ECU at
          Rotation Sensor                           auxiliary controls (Power Mode, KTRC).
                              the 1 rotation of the
                              wheel.
                                                    If the vehicle-down sensor system has failures
          Vehicle-down        Output Voltage        (the output voltage is out of the usable range,
   31
          Sensor              0.2  4.8 V           wiring short or open), the ECU shuts off the
                                                    fuel pump relay.
                                                    If the oxygen sensor has failures (no signal,
                                                    wiring short or open) on the terminals, the
                              Output Voltage
   33     Oxygen Sensor                             ECU stops the current to the heater, and it
                              0.2  1.5 V
                                                    stops the feedback control with the oxygen
                                                    sensor.
          Immobilizer
                                                    If the immobilizer system fails (no signal,
          Amplifier
   35                                   –           wiring short or open), the vehicle does not
          (Equipped
                                                    start, and does not run.
          Models)
                              The ignition key must If the blank key or broken key is used, the
   36     Ignition Key
                              use register key.     vehicle does not start the engine.
                              The ECU sends the
          ECU
                              data to the meter
   39     Communication                                                      –
                              unit through the CAN
          Line
                              communication line.
                              The purge valve       If the purge valve fails (the ECU recognize the
          Purge Valve         controls the flow of  purge valve ON without the activation signal
  3A      (Other than CA      the purge air for the from the ECU), the ECU sets the duty rate for
          Model)              canister and shutting the purge valve 0% and sets internal control
                              the solenoid valve.   to Actuator Malfunction Backup Mode (*4).
                              The injector must
                                                    When this error happens, the ECU stops all
                              send signals
   41     Fuel Injector #1*                         auxiliary controls (Power Mode, KTRC, Cruise
                              continuously to the
                                                    Control System).
                              ECU.
                              The injector must
                                                    When this error happens, the ECU stops all
                              send signals
   42     Fuel Injector #2*                         auxiliary controls (Power Mode, KTRC, Cruise
                              continuously to the
                                                    Control System).
                              ECU.
                              The injector must
                                                    When this error happens, the ECU stops all
                              send signals
   43     Fuel Injector #3*                         auxiliary controls (Power Mode, KTRC, Cruise
                              continuously to the
                                                    Control System).
                              ECU.
                              The injector must
                                                    When this error happens, the ECU stops all
                              send signals
   44     Fuel Injector #4*                         auxiliary controls (Power Mode, KTRC, Cruise
                              continuously to the
                                                    Control System).
                              ECU.