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Home >> Mitsubishi >> 1996 >> Galant S, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 156 (Air Bag Restraint System) >> Diagnosis & Testing >> Mut-II Can Communicate With Other Systems

Mut-II Can Communicate With Other Systems

WARNING: This page is about a different car, the 1995 Mitsubishi Galant. However, it is still accessible from the selected car via links, so may be relevant.
  1. Before proceeding, read and understand all air bag service precautions. See SERVICE PRECAUTIONS  . Turn ignition switch to LOCK position. Disconnect negative battery cable. Shield cable terminal. Wait at least 60 seconds before servicing. Remove rear console assembly for access to SDU. See Figure & 6.
  2. At SDU connector, use a screwdriver to push lock spring horizontally (toward SDU) to unlock lock lever (DO NOT  insert screwdriver between lock lever and lock spring). See Figure . Press and hold lock lever in and disconnect SDU Red 14-pin connector.
  3. Connect SDU Red 14-pin connector to SRS Check Harness (MB991530) connector No. 3. See Fig 1 . At SRS check harness connector No. 5, check for continuity between ground and terminals No. 19 and 20. See Fig 1 . If there is no continuity, replace harness between SDU and ground.
    Fig 1: Identifying SRS Check Harness (MB991530) Connectors
    G91H12465Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  4. If there is continuity, reconnect negative battery cable. Turn ignition on. Measure voltage between ground and terminals No. 11 and 12 of SRS check harness connector No. 5. If less than 9 volts is present at either or both terminals, replace harness between SDU and fuse. See Fig 2 . If 9 or more volts is present at both terminals, replace SDU.
Fig 2: Identifying SDU Connector Terminals
G94H42918Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.