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Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Supplemental Restraint System (SRS) -- Lancer Evolution) >> Post-Collision Diagnosis >> SRS-Ecu Memory Check

SRS-Ecu Memory Check

WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

Required Special Tool: 

CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.
  1. Connect scan tool MB991958 to the data link connector (16-pin).
  2. Read (and write down) all displayed diagnostic trouble codes (Refer to SRS-ECU  , OCCUPANT CLASSIFICATION-ECU  ).
    NOTE: If the battery power supply has been disconnected or disrupted by the collision, scan tool MB991958 cannot communicate with the SRS-ECU. Check the battery, then check and, if necessary, repair the front wiring harness and the instrument panel wiring harness before proceeding.
  3. Read the data list (fault duration and how many times memories are erased), using scan tool MB991958 (Refer to DATA LIST REFERENCE TABLE  ).
  4. Erase the diagnostic trouble codes, and then turn the ignition switch to the LOCK (OFF) position.
  5. Wait for at least one second, and then turn the ignition switch to the ON position again.
    Fig 1: Connecting Special Tool MB991910 To Data Link Connector
    G05396550Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  6. After waiting 15 seconds or more, note all displayed diagnostic trouble codes (Refer to SRS-ECU  , OCCUPANT CLASSIFICATION-ECU  ).