SRS-Ecu Memory Check: Notes

Required Special Tool: 

• MB991958: Scan Tool (MUT-III Sub Assembly)
  • MB991824: V.C.I.
  • MB991827: MUT-III USB Cable
  • MB991910: MUT-III Main Harness A

1. Connect scan tool MB991958 to the data link connector (16-pin).
2. Read (and write down) all displayed diagnostic trouble codes (Refer to SQUIB CIRCUIT CONNECTOR LOCK SWITCH  2).
   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 Tool To Data Link Connector

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
   DATA LIST
   
   

   NO.	DATA LIST ITEM	APPLICABILITY
   1	Failure continuation time 1	Maximum time to be stored: 9,999 minutes (approximately seven days)
   2	Failure continuation time 2
   3	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 SRS AIR BAG DIAGNOSIS  ).