Diagnostic Procedure
WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE - TAILGATE CYLINDER LOCK SWITCH INOPERATIVE
| TEST | ACTION | APPLICABILITY |
|---|---|---|
| 1 | With the DRBIII®, read DTCs. Are there any Tailgate related codes present? Yes --> Refer to POWER DOOR LOCKS/RKE . Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 2 |
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| 2 | Disconnect the Tailgate Cylinder Lock Switch connector. Turn the ignition and all lights off. Measure the resistance between ground and the Tailgate Switch Ground circuit. Is the resistance below 15.0 ohms? Yes --> Go To 3 No --> Repair the Tailgate Switch Ground circuit for an open. Perform BODY VERIFICATION TEST - VER 1 . |
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| 3 | Disconnect the Tailgate Cylinder Lock Switch connector. Turn the ignition on. Measure the voltage between ground and the Tailgate Cylinder Lock Switch circuit. Is the voltage above 4.9 volts? Yes --> Replace the Tailgate Cylinder Lock Switch. Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 4 |
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| 4 | Disconnect the Tailgate Cylinder Lock Switch connector. Connect a jumper wire between the Tailgate Cylinder Lock Switch Mux circuit in the Lock Motor connector and ground. Disconnect the Body Control Module C2 connector. Measure the resistance between ground and the Tailgate Cylinder Lock Switch Mux circuit. Is the resistance below 5.0 ohms? Yes --> Replace the Body Control Module. Perform BODY VERIFICATION TEST - VER 1 . No --> Repair the Tailgate Cylinder Lock Switch Mux wire for an open. Perform BODY VERIFICATION TEST - VER 1 . |
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