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Home >> Dodge and Ram >> 2005 >> SRT-4 >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Diagnostic Procedures >> Diagnostic Information And Procedures >> Compass/Mini-Trip Computer >> Symptom: *COMPASS/TEMPERATURE MIRROR DOES CALIBRATE >> Diagnostic Procedure

Diagnostic Procedure

DIAGNOSTIC PROCEDURE - *COMPASS/TEMPERATURE MIRROR DOES CALIBRATE

TEST ACTION APPLICABILITY
1 Perform the Compass/Temp Mirror Self-Check.
Turn the ignition on.
Depress and hold the Zone/Cal button (left reading lamp button) for 20 - 25 seconds.
Turn the ignition on and then release the STEP button.
NOTE: The Compass/Temp Module will illuminate all of the VF segments and then display a "P" for Pass or an "F" for Fail.

Exit the self-check by depressing the Zone/Cal button or cycling the ignition.
Did the Compass/Temp Mirror display an "F" during the self-check?
Yes --> Replace the Compass/Temp Mirror in accordance with the Service Information. NOTE: After replacing the CTM, it must be calibrated to operate properly. Refer to STANDARD PROCEDURE or "CTM Does Not Calibrate".
Perform BODY VERIFICATION TEST - VER 1 .
No --> Go To 2		 All
2
NOTE: Ensure that the vehicle has been properly demagnetized before attempting to calibrate the compass. Refer to STANDARD PROCEDURE .
NOTE: The compass must be calibrated after any replacement or display "lock-up".
Calibrate the compass using the following steps:Drive the vehicle to an area away from any large metal objects or overhead power lines.Ensure that the proper magnetic variance zone is stored in the compass memory.Turn the ignition on and ensure that the compass display is not blank.Depress and hold the STEP button for 5-10 seconds until "ZONE" appears in the display, then release the STEP button.The number displayed is the variance zone stored in the compass memory.If necessary, refer to the VARIANCE MAP .To change the variance zone, depress the STEP button to scroll through the zone numbers 1-15 until the desired zone is displayed.After selecting the proper zone, wait approximately 15 seconds for the compass display to return to normal.With the engine running, depress and hold the STEP button for 5-10 seconds, "ZONE" will appear, then "CAL".Release the STEP button within 2 seconds of "CAL" illuminating.With "CAL" displayed, drive slowly, less than 5 MPH (8 kPH) in 3 complete 360 degree circles."CAL" will turn off and the compass will be calibrated.Did the compass calibrate?Yes --> Test Complete.No --> Ensure that all calibration instructions have been followed carefully. Attempt to re-calibrate the compass, if unsuccessful, replace the Compass/Temp Mirror in accordance with the Service Instructions.Perform BODY VERIFICATION TEST - VER 1 .		 All
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