SRS-ECU Memory Check

SRS-ECU MEMORY CHECK
Required Special Tool:
- MB991502: Scan tool (MUT-II)

CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991502.




1. Connect scan tool MB991502 to the data link connector (16-pin).

NOTE: If the battery power supply has been disconnected or disrupted by the collision, scan tool MB991502 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.

2. Read (and write down) all displayed DTC.




3. Read the data list (fault duration and how many times memories are erased) using scan tool MB991502.
4. Erase DTC's and after waiting 5 seconds or more read (and write down) all displayed DTC's.