SRS-Ecu Memory Check

Required Special Tools:

MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: V.C.I.
- MB991827: M.U.T.-III USB Cable
- MB991911: M.U.T.-III Main Harness B

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).
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 (and write down) all displayed DTC (Refer to DIAGNOSTIC TROUBLE CODE CHART ).

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

DTC No.	DATA LIST ITEM	APPLICABILITY
92	Number indicating how often the memory is cleared	Maximum time to be stored: 250 times
93	How long a problem has lasted (How long it takes from the occurrence of the problem till the first air bag squib igniting signal.)	Maximum time to be stored: 9,999 minutes (approximately 7 days)
94	How long a problem has lasted (how long it takes from the first air bag squib igniting signal till now.)

Erase DTC's and after waiting 5 seconds or more read (and write down) all displayed DTC's (Refer to DIAGNOSTIC TROUBLE CODE CHART ).