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Impact Sensor Circuit Test

WARNING: This page is about a different car, the 1996 Subaru SVX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disable SRS. See DISABLING & ACTIVATING AIR BAG SYSTEM  . Unplug 2-pin Orange connector AB5 (left sensor) and Blue connector AB4 (right sensor) from control unit. Plug connectors AB5 and AB4 into connector 8B of test harness "B2". See Figure .
  2. Measure resistance between terminals No. 15 and 16 at connector 5B of test harness "B2". If resistance is not 1400-1600 ohms, left impact sensor and/or wiring harness is defective. Replace left impact sensor or wiring harness as appropriate.
  3. If resistance is 1400-1600 ohms, measure resistance between terminals No. 17 and 18 at connector 5B of test harness "B2". If resistance is not 1400-1600 ohms, right impact sensor and/or wiring harness is defective. Replace right impact sensor or wiring harness as appropriate.
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