Chrysler 2005 Crossfire SRT6 Service Manual page 4160

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ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT (CONTINUED)
7.
READ A/C HEATER CONTROL MODULE DTC'S WITH DRB III
Turn the ignition off.
Reconnect the Engine Coolant Temperature Sensor connector.
Turn the ignition on.
With the DRB III , read A/C Heater Control Module DTC's.
Wait two minutes.
With the DRB III , read A/C Heater Control Module DTC's.
Does the DRB III display an Engine Coolant Temperature Sen-
sor Failure DTC?
Yes >> Replace the Engine Coolant Temperature Sensor. (Refer
to 7 - COOLING/ENGINE/ENGINE COOLANT TEMP
SENSOR - REMOVAL).
Perform BODY VERIFICATION TEST.
No >> Go to 8
8.
READ A/C HEATER CONTROL MODULE DTC'S WITH DRB III
Ensure the Engine Coolant Temperature Sensor is connected at this
time.
Start the engine.
Turn the A/C system on and run for at least five minutes.
With the DRB III , read A/C Heater Control Module DTC's.
Does the DRB III display an Engine Coolant Temperature Sen-
sor Failure DTC?
Yes >> Replace the Engine Coolant Temperature Sensor. (Refer
to 7 - COOLING/ENGINE/ENGINE COOLANT TEMP
SENSOR - REMOVAL).
Perform BODY VERIFICATION TEST.
No >> The condition that caused this DTC to set is currently not
present. Inspect the related wiring harness for a possible intermittent condition.
Perform BODY VERIFICATION TEST.
9.
MEASURE THE RESISTANCE BETWEEN GROUND AND THE ENGINE COOLANT TEMPERATURE
SENSOR SIGNAL CIRCUIT
Turn the ignition off.
Disconnect the Powertrain Control Module harness connector.
Note: Check connector - Clean/repair as necessary.
Measure the resistance between ground and the Engine Coolant Tem-
perature Signal circuit at the Powertrain Control Module connector.
Is the resistance below 1000.0 ohms?
Yes >> Repair the Engine Coolant Temperature Sensor Signal cir-
cuit for a short to ground.
Perform BODY VERIFICATION TEST.
No >> Go to 10
HEATING & AIR CONDITIONING - ELECTRICAL DIAGNOSTICS 24 - 31