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DTC 11, 12 & 13: Front Impact Sensor 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.
  1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS . Disable air bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM .
  2. Remove front impact sensors. See FRONT IMPACT SENSOR  under REMOVAL & INSTALLATION. Measure resistance of each front impact sensor at sensor terminals. Resistance of each sensor should be 738-902 ohms. Check continuity between impact sensor terminals and mounting bracket. Continuity should not exist. If resistance and continuity are as specified, go to next step. If resistance and continuity is not as specified, replace front impact sensor. Go to step  6.
  3. Install front impact sensors. Connect front impact sensor connectors. Disconnect SRS ECU connector C-115. See Figure. Measure resistance between SRS connector C-115, terminals No. 3 (Black/Blue wire) and No. 4 (White/Blue wire). See Figure. If resistance is 738-902 ohms, go to next step. If resistance is not 738-902 ohms, check wire harness between SRS ECU connector C-115 and left front impact sensor connector A-18. See WIRING DIAGRAMS . Replace wire harness if damaged. Go to step  6.
  4. Measure resistance between SRS connector C-115, terminals No. 1 (White/Red wire) and No. 2 (Black/Red wire). If resistance is not 738-902 ohms, go to next step. If resistance is 738-902 ohms, replace SRS ECU. See SRS ELECTRONIC CONTROL UNIT (SRS ECU)  under REMOVAL & INSTALLATION. Go to step  6.
  5. Inspect wire harness between SRS ECU connector C-115 and right front impact sensor connector A-27. If wire harness is okay, go to next step. Replace wire harness if damaged. Go to next step.
  6. Reconnect SRS components. Activate air bag system. Using scan tool, check for DTC's. If DTC's 11, 12 or 13 are retrieved by scan tool, go to step  1. If DTC's 11, 12 or 13 are not retrieved by scan tool, system is normal at this time. Intermittent condition may exist.
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