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 PROCEDURE - VF SEGMENTS STUCK ON ONE SETTING, OR DISPLAYS
| TEST | ACTION | APPLICABILITY |
|---|---|---|
| 1 | Turn the ignition on. With the DRBIII®, record and erase Body Computer DTC's. Cycle the ignition switch. With the DRBIII®, read the Body Computer DTCs. Does the DRBIII® display any DTCs? Yes --> Refer to the appropriate category for the related symptom(s). Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 2 |
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| 2 | Which symptom is present? ATC Panel displays --F Go To 3 Some VF Segmnts/LEDs fail to illuminate Go To 4 Display won't change when pressing buttons Go To 5 All VF Segmnts & LEDs fail to illuminate Go To 9 |
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| 3 | Turn the ignition on. With the DRBIII® in Automatic Temperature Control, Monitor Display, PCI Bus Info ATC, look for ATC Status Msg Pres. Does the DRBIII® display: ATC Status Msg Pres: Yes? Yes --> Replace the Automatic Temperature Control in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 . No --> Replace and program the Body Control Module in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 . |
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| 4 | Turn the ignition on. With the DRBIII® in Automatic Temperature Control, Actuators, select VFD and observe the ATC display. Are all of the VF segments on the ATC display illuminated? Yes --> Replace and program the Body Control Module in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 . No --> Replace the Automatic Temperature Control in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 . |
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| 5 | Turn the ignition on. With the DRBIII® in Automatic Temperature Control, Inputs/Outputs, read the switch states while pressing the Auto; Off; A/C; Recirc; Panel; Floor; Mix; Bilevel; EBL; and Defrost buttons on the ATC one at a time. Does each switch state change from Open to Closed accordingly? Yes --> Go To 6 No --> Replace the Automatic Temperature Control in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 . |
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| 6 | Turn the ignition on. While observing the ATC temperature display, press and hold the Temp Up button for several seconds. While observing the ATC temperature display, press and hold the Temp Down button for several seconds. Does the temperature display change accordingly? Yes --> Go To 7 No --> Replace the Automatic Temperature Control in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 . |
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| 7 | Turn the ignition on. With the DRBIII® in Automatic Temperature Control, Monitor Display, PCI Bus Info ATC, look for ATC Status Msg Pres. Does the DRBIII® display: ATC Status Msg Pres: Yes? Yes --> Go To 8 No --> Replace and program the Body Control Module in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 . |
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| 8 | Turn the ignition on. With the DRBIII® in Automatic Temperature Control, Actuators, select VFD and observe the ATC display. Are all of the VF segments on the ATC display illuminated? Yes --> Replace and program the Body Control Module in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 . No --> Replace the Automatic Temperature Control in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 . |
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| 9 | Turn the ignition off. Disconnect the Automatic Temperature Control harness connector. Turn the ignition on. Measure the voltage between the Fuse Ignition Switch Output circuit and ground. Is the voltage above 10.0 volts? Yes --> Go To 10 No --> Repair the Fused Ignition Switch Output circuit for an open. Perform BODY VERIFICATION TEST - VER 1 . |
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| 10 | Turn the ignition off. Disconnect the Automatic Temperature Control harness connector. Close all doors and ensure all lights are off. Wait one minute for the Body Control Module to go to sleep. Measure the resistance between ground and each of the Ground circuits. Is the resistance below 10.0 ohms on both circuits? Yes --> Replace the Automatic Temperature Control in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 . No --> Repair the Ground circuit with a resistance above 10.0 ohms for an open. Perform BODY VERIFICATION TEST - VER 1 . |
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