SRS-Ecu Memory Check

Required Special Tools:

MB991958: Scan Tool (MUT-III Sub Assembly)
- MB991824: Vehicle Communication Interface
- MB991827: MUT-III USB Cable
- MB991911: MUT-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.

Fig 1: Connecting Special Tool MB991865 To Special Tool MB991866
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Read (and write down) all displayed DTC (Refer to DTC CHART ).
Read the data list (fault duration and how many times memories are erased) using scan tool MB991958.

Fig 2: Data List Chart
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Erase the DTC and, after waiting five seconds or more, read (and write down) all displayed DTC (Refer to DTC CHART ).