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Diagnosis And Testing - Latch Mounted Hood Ajar Switch

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect and isolate the negative cable from the battery.
  2. Disconnect the wire harness connector from the hood ajar switch.
  3. Check for continuity between the two terminals of the hood ajar switch. There should be continuity with the hood latch open, and only the continuity of the two 500 ohm diagnostic resistors with the hood latch closed. If OK, use a diagnostic scan tool and the appropriate diagnostic procedure to complete testing of the Body Control Module (BCM) as well as the circuits between the BCM and the hood ajar switch. If not OK, replace the ineffective hood ajar switch.
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