Chrysler 300M 2002 Service Manual page 2486

Symptom List:
P0110-INTAKE AIR TEMPERATURE SENSOR STUCK
P0111-INTAKE AIR TEMPERATURE SENSOR PERFORMANCE
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P0110-INTAKE AIR TEMPERA-
TURE SENSOR STUCK.
When Monitored and Set Condition:
P0110-INTAKE AIR TEMPERATURE SENSOR STUCK
When Monitored: Engine Running.
Set Condition: After 4 warm-up cycles, the PCM did not see a 2°C (18°F) change in the
IAT Sensor voltage within 200 miles . Two Trip Fault
P0111-INTAKE AIR TEMPERATURE SENSOR PERFORMANCE
When Monitored: Engine off time is greater than 480 minutes. Ambient temperature is
greater than 4°C (39°F).
Set Condition: After a calibrated amount of cool down time, the PCM compares the ECT
Sensor, IAT Sensor and the Ambient Air Temperature Sensor values. If the IAT Sensor
value is not within 2°C (18°F) of the other two temperartue sensors an error is detected.
Two Trip Fault.
INTERMITTENT CONDITION
IAT SENSOR SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE
IAT SENSOR VOLTAGE BELOW 1.0 VOLTS
IAT SENSOR SIGNAL CIRCUIT OPEN
SENSOR GROUND CIRCUIT OPEN
IAT SENSOR SIGNAL SHORTED TO GROUND
IAT SIGNAL CIRCUIT SHORT TO SENSOR GROUND
PCM HIGH
PCM LOW
TEST
1 Ignition on, engine not running.
With the DRBIII , read DTCs and record the related Freeze Frame data.
Is the Good Trip Counter displayed and equal to zero?
Yes → Go To 2
→ Go To 9
No
POSSIBLE CAUSES
ACTION
57
DRIVEABILITY - NGC
APPLICABILITY
All