Manual A/C Control Head Switch Inoperative - Chrysler Concorde 2004 Service Manual

Symptom:

*MANUAL A/C CONTROL HEAD SWITCH INOPERATIVE

CONTROL HEAD - OPEN SWITCH
CONTROL HEAD SWITCHES OKAY
TEST
1 Turn the ignition on.
With the DRBIII , read the Mode Switch MUX voltage.
Press and hold the A/C button and observe the DRB voltage (should be approximately
0.45 volts).
Press and hold the Rear Defogger button and observe the DRB voltage (should be
approximately 0.25 volts).
Which switch failed?
A/C Button Switch
EBL Button Switch
Both Passed
POSSIBLE CAUSES
ACTION
Replace the Control Head.
Perform BODY VERIFICATION TEST - VER 1.
Replace the Control Head.
Perform BODY VERIFICATION TEST - VER 1.
There is no problem at this time with the Control Head Switches.
Retry the system and recheck for DTC's.
Perform BODY VERIFICATION TEST - VER 1.
341
HEATING & A/C
APPLICABILITY
All