FixVault

Activation Of Malfunction Indicator Light

  1. When the ignition switch is turned to ON (engine OFF), the malfunction indicator light (A) in the combination meter illuminates.
    NOTE: If the engine malfunction indicator light does not illuminate, perform diagnostics of malfunction indicator light circuit or the combination meter circuit. < Ref. to MALFUNCTION INDICATOR LIGHT DOES NOT COME ON , Malfunction Indicator Light. >
    Fig 1: Identifying Malfunction Indicator Light
    G05017520
  2. After starting the engine, the malfunction indicator light goes out. If it does not go off, either the engine or emission control system has malfunction.
    Fig 2: Identifying Blinking Pattern
    G05017521
  3. Malfunction indicator light blinks at a cycle of 1 Hz when the diagnosis system detects the misfire which might damage the catalyst.
    Fig 3: Identifying Blinking Pattern
    G05017522
  4. Turn the ignition switch to OFF and connect the test mode connector.
    1. When the ignition switch is turned to ON (engine OFF), the malfunction indicator light illuminates.
    2. After the engine starts, malfunction indicator light blinks in a cycle of 0.5 Hz. (During diagnosis)
    3. Malfunction indicator light blinks at a cycle of 3 Hz after diagnosis if there is no trouble. Malfunction indicator light illuminates if faulty.
      Fig 4: Identifying Blinking Pattern
      G05017523