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.

ALL GAUGES NOT OPERATING - DIAGNOSTIC PROCEDURE

TEST	ACTION
1	Turn the ignition on. With the DRBIII(R), select System Monitors, then J1850 Module Scan. Does the DRBIII(R) display MIC PRESENT on the BUS? Yes --> Go To 2 No --> Refer to the COMMUNICATION category and perform the appropriate symptom. Perform BODY VERIFICATION TEST - VER 1 .
2	Turn the ignition on. With the DRBIII(R), select Body, MIC, MODULE DISPLAY. Does the DRBIII(R) display NO RESPONSE from MIC? Yes --> Refer to the symptom list for problems related to *NO RESPONSE FROM THE INSTRUMENT CLUSTER. Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 3
3	Turn the ignition on. With the DRBIII(R), select Body, MIC, SYSTEM TESTS, PCM Monitor. Does the DRBIII(R) display PCM INACTIVE ON THE BUS? Yes --> Refer to the symptom list for problems related to *NO RESPONSE FROM THE POWERTRAIN CONTROL MODULE. Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 4
4	Turn the ignition off. Remove and inspect the #14 Fuse in the Junction Block. If the fuse is open, replace with a good fuse and turn the ignition on. Turn the ignition off. Remove and inspect the #14 Fuse in the Junction Block. Is the fuse open? Yes --> Repair the short to ground in the Fused Ignition Switch Output circuit. Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 5
5	Turn the ignition off. Disconnect the Instrument Cluster C1 harness connector. Check connectors - Clean/repair as necessary. Using a 12-volt test light connected to 12-volts, check the ground circuit. Does the test light illuminate brightly? Yes --> Go To 6 No --> Repair the open in the Instrument Cluster Ground circuit. Perform BODY VERIFICATION TEST - VER 1 .
6	Turn the ignition off. Disconnect the Instrument Cluster C1 harness connector. Check connectors - Clean/repair as necessary. Turn the ignition on. NOTE: Ensure the battery is fully charged. Measure the voltage of the Fused B+ Ignition Switch Output circuit in the Instrument Cluster C1 harness connector. Is the voltage above 10.5 volts? Yes --> Replace the Instrument Cluster in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 . No --> Repair the open in the Fused B+ Ignition Switch Output circuit. Perform BODY VERIFICATION TEST - VER 1 .