SRS-Ecu Memory Check
Required Special Tools:
- MB991958: Scan Tool (MUT-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- 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.
- Read (and write down) all displayed DTC (Refer to HOW TO READ AND ERASE DIAGNOSTIC TROUBLE CODES ).
- Read the data list (fault duration and how many times memories are erased) using scan tool MB991958.
DATA LIST
- Erase DTC's and after waiting 5 seconds or more read (and write down) all displayed DTC's (Refer to HOW TO READ AND ERASE DIAGNOSTIC TROUBLE CODES ).