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 - BATTERY IOD DISCONNECT AT BCM
| TEST | ACTION | APPLICABILITY |
|---|---|---|
| 1 | Connect the DRB to the Data Link Connector. Turn the ignition on. With the DRB, erase BCM DTC's. Turn the ignition off then turn the ignition on. With the DRB, read BCM DTC's. Does the DRB display: Battery IOD Disconnect at BCM? Yes --> Go To 2 No --> No problem found at this time. Use the wiring diagrams located in the service information to help isolate a possible intermittent wiring problem. Perform BODY VERIFICATION TEST - VER 1 . |
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| 2 | Inspect fuse #34 in the Junction Block. Is the fuse open? Yes --> Re-install or replace Junction Block fuse #34. Use the wiring diagrams located in the service information to help isolate a possible intermittent wiring problem. Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 3 |
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| 3 | Remove Fuse #34 from the Junction Block. Using a 12-volt test light connected to ground, probe the Fused B+ side of the fuse. Is the test light illuminated? Yes --> Go To 4 No --> Check PDC Fuse #7 for an open. If OK, repair the Fused B+ circuit for an open between the PDC and the Fuse. Perform BODY VERIFICATION TEST - VER 1 . |
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| 4 | Install Fuse #34 in the Junction Block. Remove the BCM from the Junction Block. Using a 12-volt test light connected to ground, probe the Fused B+ circuit in the Junction Block Body Control Module connector cavity 15.
NOTE:
Make sure all the Junction Block connectors are connected at this time Is the test light illuminated? Yes --> Replace the Body Control Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1 . No --> Replace the Junction Block in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1 . |
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