Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

COMPASS/MINI TRIP COMPUTER INOPERATIVE - DIAGNOSTIC PROCEDURE

TEST	ACTION
1	Turn off the ignition. Inspect the #11 fuse in the Junction Block. If the fuse is open, replace with proper rated fuse. Cycle the ignition. Inspect the #11 fuse in the Junction Block. Is the #11 fuse open? Yes --> Repair the short to ground in the Fused Ignition Switch Output circuit. Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 2
2	Turn the ignition off. Disconnect the Overhead Console harness connector. Turn the ignition on. NOTE: Ensure the battery is fully charged. Measure the voltage of the Fused Ignition Switch Output circuit. Is the voltage above 10.5 volts? Yes --> Go To 3 No --> Repair the open in the Fused Ignition Switch Output circuit. Perform BODY VERIFICATION TEST - VER 1 .
3	Turn the ignition off. Disconnect the Overhead Console harness connector. Measure the resistance of the Overhead Console Ground circuit to a known good ground. Is the resistance above 5.0 ohms? Yes --> Repair the open in Overhead Console ground circuit. Perform BODY VERIFICATION TEST - VER 1 . No --> Replace and program the Compass/Mini-Trip Computer in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 .