Chrysler Crossfire. Manual - part 474
(P0111) INTAKE AIR TEMPERATURE SENSOR CIRCUIT PERFORMANCE (SRT) (CONTINUED)
When Monitored and Set Condition
•
When Monitored: With the ignition on.
•
Set Condition: An improper voltage level has been detected by the Powertrain Control Module (PCM) on the
Intake Air Temperature Sensor circuit.
POSSIBLE CAUSES
IAT SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
IAT SENSOR SIGNAL CIRCUIT SHORT TO GROUND
IAT SENSOR SIGNAL CIRCUIT SHORT TO SENSOR GROUND CIRCUIT
IAT SENSOR SIGNAL CIRCUIT OPEN
SENSOR GROUND CIRCUIT OPEN
INTAKE AIR TEMPERATURE SENSOR
POWERTRAIN CONTROL MODULE
For a complete Powertrain Control Module Circuit Diagram, (Refer to 9 - ENGINE - SCHEMATICS AND DIA-
GRAMS).
Diagnostic Test
1.
CHECK FOR CURRENT DTC
Turn the ignition on.
With the DRB III
T
, read PCM DTCs.
Is this DTC present?
Yes
>> For complete diagnosis of this DTC, refer to (P0113) IAT
SENSOR CIRCUIT HIGH (SRT).
No
>> Go To 2
2.
INTERMITTENT WIRING AND CONNECTORS
The conditions necessary to set this DTC are not present at this time.
Note: Check connectors — Clean/repair as necessary. Poor pin to terminal connections can set DTCs. Using
the wiring diagram/schematic as a guide, inspect the wiring and connectors specific to this DTC. Wiggle the
wires while checking for shorts and open circuits.
Note: Check for any Technical Service Bulletins that may apply.
Were there any problems found?
Yes
>> Repair as necessary.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No
>> The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for
a possible intermittent condition.
ZH
ENGINE - ELECTRICAL DIAGNOSTICS
9 - 41