SRS-Ecu Memory Check

Required Special Tool: 

• MB991958: Scan Tool (MUT-III Sub Assembly)
  • MB991824: Vehicle Communication Interface (V.C.I.)
  • MB991827: MUT-III USB Cable
  • MB991910: MUT-III Main Harness A (Vehicles with CAN communication)

1. Connect scan tool MB991958 to the data link connector (16-pin).
2. Read (and write down) all displayed diagnostic trouble codes (Refer to DIAGNOSTIC TROUBLE CODE CHART ).
   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.
   Fig 1: Connecting Scan To Data Link Connector

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

   Data list 

   DATA LIST
   
   

   NO.	DATA LIST ITEM	APPLICABILITY
   01	Failure continuation time 1	Maximum time to be stored: 9,999 minutes (approximately seven days)
   02	Failure continuation time 2
   10	Elimination times	Maximum time to be stored: 255

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.
6. After waiting 15 seconds or more, note all displayed diagnostic trouble codes (Refer to HOW TO READ AND ERASE DIAGNOSTIC TROUBLE CODES ).