Chrysler Sebring 2004 Service Manual page 2860

IN CAR TEMP SENSOR FAILURE (ATC ASPIRATOR FAILURE) —
Continued
TEST
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.
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?
Yes → Go To 3
→ Repair the Fused B(+) circuit for an open.
No
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?
Yes → Repair the Aspirator Motor Driver circuit for a short to voltage.
→ Go To 4
No
ACTION
Go To 2
Go To 6
Go To 8
Go To 9
Go To 12
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
311
HEATING & A/C
APPLICABILITY
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