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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Instrument Panel System Displays And Gauges) >> Diagnostic Information and Procedures >> Door Ajar Indicator Malfunction >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the suspect door latch assembly.
  2. Test for infinite resistance between the door ajar switch signal circuit and the low reference circuit in the open position.
    • If not the specified value, replace the suspect door latch assembly.
  3. Test for less than 2.0 ohms of resistance between the door ajar switch signal circuit and the low reference circuit in the closed position.
    • If greater than the specified range, replace the suspect door latch assembly.
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