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Home >> Mitsubishi >> 1995 >> Mirage LS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - OBD-II (1.8L) >> Self-Diagnostic System >> Using Mil

Using Mil

  1. Before entering on-board diagnostics, see SERVICE PRECAUTIONS  . Turn ignition switch to OFF position. Locate Data Link Connector (DLC), next to fuse block. Connect Diagnostic Harness (MB99159 ) between DLC self-diagnostic output terminal and chassis ground. See Fig 1 .
  2. Turn ignition switch to ON position. Disclosure of PCM memory will begin. If 2 or more systems are non-functional, they are indicated by order of increasing code number. Go to step 4).
  3. Turn ignition on, off, on, off and on within 5 seconds. Record 2-digit trouble codes as displayed by flashing MIL. Go to next step.
  4. On all models, indication is made by MIL flashes. A constant repetition of short flashes indicates system is normal.
  5. If system is abnormal, signals will appear on MIL as long and short flashes. Long flashes represent tens; short flashes represent ones. For example, 4 long flashes and 3 short flashes indicate Code 43. After recording trouble code(s), perform necessary repair(s) to indicated circuit(s). See TROUBLE CODES  .
    Fig 1: Data Link Connector (DLC) Terminal ID (1.8L)
    G95F31133Courtesy of MITSUBISHI MOTOR SALES OF AMERICA