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Home >> Chrysler >> 2001 >> Sebring LX, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Body Diagnostic Procedures - Except Coupe) >> Diagnostic Information And Procedures >> Heating & A/C >> Symptom List: A/C SWITCH FAILURE - ATC; AUTO SWITCH FAILURE - ATC; BILEVEL SWITCH FAILURE - ATC; DEFROST SWITCH FAILURE - ATC; EBL SWITCH FAILURE - ATC; FLOOR SWITCH FAILURE - ATC; MIX SWITCH FAILURE - ATC; OFF SWITCH FAILURE - ATC; PANEL SWITCH FAILURE - ATC; RECIRC SWITCH FAILURE - ATC; TEMP DOWN FAILURE - ATC; TEMP UP FAILURE - ATC >> Diagnostic Procedure

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 SWITCH FAILURE - ATC

TEST ACTION APPLICABILITY
1 Which switch failure code is present?
Other than Temp Up/Temp Down Failure
Go To 2
Temp Up/Temp Down Failure
Go To 4		 All
2 Turn the ignition on.
With the DRBIII® in Automatic Temperature Control, Inputs/Outputs, read the switch states.
Do any of the switch states read Closed?
Yes --> Replace the Automatic Temperature Control in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1 .
No --> Go To 3		 All
3 Turn the ignition on.
With the DRBIII® in Automatic Temperature Control, Inputs/Outputs, read the switch states while pressing and then releasing the Auto; Off; A/C; Recirc; Panel; Floor; Mix; Bilevel; EBL; and Defrost buttons on the ATC.
Do any of the switch states remain Closed?
Yes --> Replace the Automatic Temperature Control in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1 .
No --> Go To 5		 All
4 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 5
No --> Replace the Automatic Temperature Control in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1 .		 All
5 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.
Did the DTC reset?
Yes --> Replace the Automatic Temperature Control in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1 .
No --> Symptom not present at this time.
Perform BODY VERIFICATION TEST - VER 1 .		 All
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