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DTC 26: Driver-Side Seat Belt PRETENSIONER Short Circuit

WARNING: This page is about a different car, the 2003 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Ensure shorting bar in SRS ECU connector is released by using a cable tie or similar non conducting item to release shorting bar before performing electrical measurements.
  1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS . Disable SRS. See DISABLING & ACTIVATING AIR BAG SYSTEM . If DTC 34 is retrieved, go to next step. If DTC 34 is not retrieved, go to step  3.
  2. Inspect SRS ECU connector C-114. See Figure. If connector is connector is connected properly, go to next step. If connector is not connected properly, connect properly and go to step  7.
  3. Disconnect negative battery cable. Disconnect SRS ECU connector C-114 and driver-side seat belt pretensioner connector D-28. Reconnect connectors. Connect negative battery cable. Using scan tool, check for DTC's. If DTC 26 is retrieved, go to next step. If DTC 26 is not retrieved, system is normal at this time.
  4. Disconnect negative battery cable. Connect Load Resistor (MB991865) to Resistor Harness (MB991884). Connect resistor harness to driver-side seat belt pretensioner connector D-26. Connect negative battery cable. Using scan tool, check for DTC's. If DTC 26 is retrieved, go to next step. If DTC 26 is not retrieved, replace driver-side seat belt pretensioner. See SEAT BELT PRETENSIONER  under REMOVAL & INSTALLATION.
  5. Disconnect SRS ECU connector C-114 and driver-side seat belt connector D-28. Insert a cable tie or similar insulator between terminals No. 29 and 30 of SRS ECU connector to release shorting bar. See Figure. Check for continuity between terminals. If continuity exists, go to next step. If continuity does not exist, erase, then retrieve DTC's using scan tool. If DTC 24 is retrieved, replace SRS ECU. See SRS ELECTRONIC CONTROL UNIT (SRS ECU)  under REMOVAL & INSTALLATION. Go to step  7.
  6. Measure continuity of Red and Red/White wires between SRS ECU connector C-114, terminals No. 29 and 30 and driver-side seat belt pretensioner connector D-26, terminals No. 1 and 2. See WIRING DIAGRAMS . If continuity does not exist in both wires, replace SRS ECU. If continuity does exist in both wires, go to next step.
  7. Reconnect all SRS components. Activate air bag system. Using scan tool retrieve DTC's. If DTC 26 is retrieved, go to step  1. If DTC 26, is not retrieved, system is normal at this time. Intermittent condition may exist.
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