SRS-Ecu Memory Check
WARNING: This page is about a different car, the 2012 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
Required Special Tool:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824:Vehicle Communication Interface (V.C.I.)
- MB991827:M.U.T.-III USB Cable
- MB991910:M.U.T.-III Main Harness A (Vehicles with CAN Communication System)
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.
- Connect scan tool MB991958 to the data link connector (16-pin).
- Read (and write down) all displayed diagnostic trouble codes (Refer to
DIAGNOSTIC TROUBLE CODE CHART <SRS-ECU>
, Occupant classification-ECU DIAGNOSTIC TROUBLE CODE CHART <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.
- Read the data list (fault duration and how many times memories are erased), using scan tool MB991958 (Refer to DATA LIST REFERENCE TABLE ).
- Erase the diagnostic trouble codes, and then turn the ignition switch to the LOCK (OFF) position.
- Wait for at least one second, and then turn the ignition switch to the ON position again.
- After waiting 15 seconds or more, note all displayed diagnostic trouble codes (Refer to DIAGNOSTIC TROUBLE CODE CHART <SRS-ECU> , Occupant classification-ECU DIAGNOSTIC TROUBLE CODE CHART <OCCUPANT CLASSIFICATION-ECU> ).