Diagnostic Procedure
WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURES - A/C HEAD, EBL INPUT SHORTED TO BATTERY - MTC
| TEST | ACTION | APPLICABILITY |
|---|---|---|
| 1 | With the DRBIII®, record and erase Body Computer DTC's. Turn the ignition off. Disconnect the A/C - Heater Control C1 harness connector. Turn the ignition on. Measure the voltage of the A/C Switch Sense circuit. Is the voltage above 10.0 volts? Yes --> Go To 2 No --> Go To 3 |
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| 2 | Turn the ignition off. Disconnect the A/C - Heater Control C1 harness connector. Disconnect the Body Control Module C2 harness connector. Turn the ignition on. Measure the voltage of the A/C Switch Sense circuit. Is there any voltage present? Yes --> Repair the A/C Switch Sense circuit for a short to voltage. Calibration must be performed after repair/replacement is completed. Perform BODY VERIFICATION TEST - VER 1 . No --> Replace and program the Body Control Module in accordance with the Service Information. Calibration must be performed after repair/replacement is completed. Perform BODY VERIFICATION TEST - VER 1 . |
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| 3 |
NOTE:
Make sure that the A/C - Heater Control C1 harness connector is connected to the A/C - Heater Control. Turn the ignition on.With the DRBIII®, record and erase Body Computer DTC's.With the DRBIII®, read Body Computer DTCs.Does the DRBIII® display: A/C Head, EBL Input Shorted To Batt?Yes --> Replace the A/C - Heater Control in accordance with the Service Information.Calibration must be performed after repair/replacement is completed.Perform BODY VERIFICATION TEST - VER 1 .No --> Using the wiring diagram/schematic as a guide, inspect the wiring and connectors for conditions causing an intermittent short.Calibration must be performed after repair/replacement is completed.Perform BODY VERIFICATION TEST - VER 1 . |
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