Chrysler 2005 Sebring, Руководство по обслуживанию, Страница: 2077 / 3204

CAUTION: DTC 26 can be created if the in-car tem-
perature sensor is disconnected while the BCM is
operating. This can happen by disconnecting con-
nectors from the BCM or the ATC A/C-heater control
with the battery connected (even with the ignition
switch in the OFF position). To correct, clear DTC
26 from the BCM.
NOTE: Removing connections without disconnect-
ing the battery may generate a DTC. The negative
battery cable should always be disconnected prior
to servicing any electrical component.
If a DTC does not reappear using the procedure
above, check the history of the vehicle for a low bat-
tery condition, or ambient temperatures below 4° C
(40° F).
TROUBLE CODES FROM THE ATC CONTROL
The DTC’s can be checked with the ATC control if
a DRBIII
!
scan tool is not available. The DTC’s are
stored in the BCM. The A/C-heater control can only
be placed into the diagnostic mode while the engine
is running and the vehicle is not moving. Set the
A/C-heater control to a 24° C (75° F) setting (so there
is no confusion with DTCs 23 - 51) (Fig. 2).
NOTE: It is important that no other control knob or
button is pushed until all DTC’s are read. Pushing
any control button except Panel Mode or turning
the blower fan control knob will end the diagnostic
test without showing the rest of the DTC’s. There
also may be other DTC’s stored in the BCM not
related to the climate control system. These DTC’s
can only be found using the DRBIII
" scan tool.
To place the ATC system into diagnostic mode,
press and hold the Floor, Mix and Defrost buttons (at
the same time). The ATC control display will begin to
blink. Release the Floor, Mix and Defrost buttons.
Once the A/C-heater control enters the diagnostic
mode, the display on the A/C-heater control will con-
tinue to blink until it completes an error check and a
climate control door calibration. Then it will display
any DTC’s that are present in the BCM related to
the climate control system. If there are no climate
control related DTC’s, the ATC system will return to
its normal operation as indicated by the temperature
symbol (C or F). DTC’s related to the ATC system
will appear on the display in numerical form. The
ATC control can only show one DTC at a time. Under
certain circumstances, more than one DTC could be
in the memory. To scroll through any additional
DTC’s, press the Panel Mode button on the ATC con-
trol.
TROUBLE CODES FROM THE MTC CONTROL
The DTC’s can be checked with the MTC control
and the Odometer Display of the Mechanical Instru-
ment Cluster if a DRBIII
!
scan tool is not available.
The MTC control can only be placed into the diagnos-
tic mode while the engine is running and the vehicle
is not moving. To place the system into it’s diagnostic
mode, adjust the MTC control to the following set-
tings: (Fig. 3)
(1) The engine must be running with vehicle not
moving.
(2) The fan speed set to any speed except OFF.
(3) The temperature control knob in full cold (full
counterclockwise position).
(4) The mode control knob must be placed in
Defrost position (full clockwise position).
(5) The A/C button can be On or Off.
(6) Press and hold the rear window defogger (EBL)
button until the mechanical instrument cluster
odometer display indicates an “AC00”. The BCM will
chime once and the MTC A/C button LED will begin
blinking.
(7) Release the EBL button and wait until the
MTC A/C button LED stops blinking. This means
that the error check and climate control door calibra-
tion is complete.
Fig. 2 Entering Self-Diagnostic Mode
1 - PRESS BUTTONS SIMULTANEOUSLY
Fig. 3 MTC Control Head
24 - 4 HEATING & AIR CONDITIONING
JR
HEATING & AIR CONDITIONING (Continued)