Chrysler Sebring, Stratus sedan, Sebring Convertible. Manual — part 79
TEST
ACTION
APPLICABILITY
11
If there are no possible causes remaining, view repair.
All
Repair
Replace and program the Body Control Module in accordance with
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
301
HEATING & A/C
EVAPORATOR SENSOR FAILURE - ATC & MTC —
Continued
Symptom:
HEAD STATUS RX FAILURE - ATC
When Monitored and Set Condition:
HEAD STATUS RX FAILURE - ATC
When Monitored:
With the ignition on.
Set Condition:
This DTC will set if the Automatic Temperature Control does not receive
the message from the Body Control Module for more than 2 seconds. This message operates
the VF Segments and LEDs in the ATC display panel.
POSSIBLE CAUSES
AUTOMATIC TEMPERATURE CONTROL
BODY CONTROL MODULE
WIRING CAUSING INTERMITTENT CONDITION
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, record and erase Body Computer DTC’s.
Cycle the ignition switch.
With the DRBIII
t, read the Body Computer DTCs.
Does the DRBIII
t display: Head Status RX Failure?
All
Yes
→ Go To 2
No
→ Go To 3
2
Turn the ignition on.
With the DRBIII
t in Automatic Temperature Control, Monitor Display, PCI Bus Info
ATC, look for ATC Status Msg Pres.
Does the DRBIII
t display: ATC Status Msg Pres: Yes?
All
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.
3
Turn the ignition off.
NOTE: Visually inspect the related wiring harness and circuits. Look for
any chafed, pierced, pinched, or partially broken wires.
NOTE: Visually inspect the related wiring harness connectors. Look for
broken, bent, pushed out, or corroded terminals.
NOTE: Refer to any Technical Service Bulletins (TSB) that may apply.
Were any problems found?
All
Yes
→ Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
302
HEATING & A/C
Symptom:
IN CAR TEMP SENSOR FAILURE (ATC ASPIRATOR FAILURE)
When Monitored and Set Condition:
IN CAR TEMP SENSOR FAILURE (ATC ASPIRATOR FAILURE)
When Monitored:
With the ignition on.
Set Condition:
The BCM detects an abnormally high voltage (above 4.8 volts) or an
abnormally low voltage (below 0.31 volts) on the in-car temperature sensor signal.
POSSIBLE CAUSES
FUSED B(+) CIRCUIT OPEN
ASPIRATOR MOTOR DRIVER CIRCUIT SHORTED TO VOLTAGE
ASPIRATOR MOTOR DRIVER CIRCUIT OPEN
AUTOMATIC TEMPERATURE CONTROL - OPEN ASPIRATOR MOTOR
BODY CONTROL MODULE - ASPIRATOR DRIVER OPEN
BODY CONTROL MODULE - ASPIRATOR STAYS RUNNING
ASPIRATOR MOTOR DRIVER CIRCUIT SHORTED TO GROUND
IN-CAR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
AUTOMATIC TEMPERATURE CONTROL - ASPIRATOR STAYS RUNNING
BODY CONTROL MODULE - SHORTED IN-CAR TEMP SENSOR SIGNAL
IN-CAR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
IN-CAR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO SENSOR GROUND
IN-CAR TEMPERATURE SENSOR SIGNAL CIRCUIT OPEN
BODY CONTROL MODULE - OPEN IN-CAR TEMP SENSOR SIGNAL
AUTOMATIC TEMPERATURE CONTROL - IN-CAR SENSOR CODE
SYSTEM IS OPERATIONAL AT THIS TIME
SENSOR GROUND CIRCUIT OPEN
BODY CONTROL MODULE - OPEN SENSOR GROUND
303
HEATING & A/C
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
Completely cover the aspirator inlet (below the blower switch) with a piece of tissue
paper.
NOTE: The tissue paper should hold in place, verifying that the aspirator
motor is running.
Turn the ignition off.
Stay in the vehicle, close all doors and ensure that all lights are off.
Wait three minutes. Open and close the driver door and observe the aspirator motor.
The motor should run for approximately 60 seconds after the courtesy lamps have
faded out and then stop.
Disconnect the Automatic Temperature Control harness connector.
Turn the ignition on.
Measure the voltage of the In-Car Temperature Sensor Signal circuit. The voltage
should be between 4.5 volts and 5.2 volts.
Select the appropriate findings.
All
Aspirator motor inoperative
Aspirator timer inoperative
In-Car Temp Sense above 5.3 volts
In-Car Temp Sense below 4.5 volts
None of the above
2
Turn the ignition off.
Disconnect the Automatic Temperature Control harness connector.
Turn the ignition on.
Measure the voltage between the Fused B(+) circuit and ground.
Is the voltage above 10.0 volts?
All
Yes
→ Go To 3
No
→ Repair the Fused B(+) circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
3
Turn the ignition off.
Disconnect the Automatic Temperature Control harness connector.
Disconnect the Body Control Module C1 harness connector.
Turn the ignition on.
Measure the voltage between the Aspirator Motor Driver circuit and ground.
Is the voltage above 0.2 volts?
All
Yes
→ Repair the Aspirator Motor Driver circuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
304
HEATING & A/C
IN CAR TEMP SENSOR FAILURE (ATC ASPIRATOR FAILURE) —
Continued
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