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.

CMTC SELF-CHECK - DIAGNOSTIC PROCEDURE

TEST	ACTION
1	NOTE: The CMTC Self Test can be performed manually or with the DRBIII(R). With the DRBIII(R), select Auto Self Test. To perform Self Test manually, follow the procedure below. Turn the ignition off.Depress and hold the STEP and RESET buttons on the CMTC.Turn the ignition on.Continue to depress both buttons until the CMTC begins the Self-Check.When the segment test begins, release the buttons.When the Self-Check test is complete, the CMTC will return to normal operation or will display either BUS or FAIL.Does the CMTC display FAIL? Yes --> Replace and program the Compass/Mini-Trip Computer in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 2
2	NOTE: The CMTC Self Test can be performed manually or with the DRBIII(R). With the DRBIII(R), select Auto Self Test. To perform the Self Test manually, follow the procedure below. Turn the ignition off.Depress and hold the STEP and RESET buttons on the CMTC.Turn on the ignition while continuing to depress the buttons.When the CMTC begins the Self Test, release the buttons.Observe the CMTC display.Does the CMTC display " - - -"? Yes --> Refer to the COMMUNICATION category and perform the appropriate symptom. Perform BODY VERIFICATION TEST - VER 1 . No --> Test Complete.

TEST

ACTION

NOTE: The CMTC Self Test can be performed manually or with the DRBIII(R). With the DRBIII(R), select Auto Self Test. To perform Self Test manually, follow the procedure below.

Turn the ignition off.Depress and hold the STEP and RESET buttons on the CMTC.Turn the ignition on.Continue to depress both buttons until the CMTC begins the Self-Check.When the segment test begins, release the buttons.When the Self-Check test is complete, the CMTC will return to normal operation or will display either BUS or FAIL.Does the CMTC display FAIL?

Yes --> Replace and program the Compass/Mini-Trip Computer in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1 .
No --> Go To 2

NOTE: The CMTC Self Test can be performed manually or with the DRBIII(R). With the DRBIII(R), select Auto Self Test. To perform the Self Test manually, follow the procedure below.

Turn the ignition off.Depress and hold the STEP and RESET buttons on the CMTC.Turn on the ignition while continuing to depress the buttons.When the CMTC begins the Self Test, release the buttons.Observe the CMTC display.Does the CMTC display " - - -"?

Yes --> Refer to the COMMUNICATION category and perform the appropriate symptom.
Perform BODY VERIFICATION TEST - VER 1 .
No --> Test Complete.