Chrysler 2005 Crossfire SRT6 Service Manual page 4135

24 - 6 HEATING & AIR CONDITIONING - ELECTRICAL DIAGNOSTICS
AMBIENT TEMPERATURE SENSOR CIRCUIT (CONTINUED)
5.
MEASURE THE RESISTANCE OF THE SENSOR GROUND CIRCUIT
With the ignition off.
Measure the resistance of the Sensor Ground circuit from the Instru-
ment Cluster harness connector to the Ambient Temperature Sensor
harness connector.
Is the resistance below 5.0 ohms?
Yes >> Replace the Instrument Cluster. (Refer to 8 - ELECTRI-
CAL/INSTRUMENT CLUSTER - REMOVAL)
Perform BODY VERIFICATION TEST.
No >> Repair the Sensor Ground circuit for an open.
Perform BODY VERIFICATION TEST.
6.
READ AMBIENT TEMPERATURE SENSOR VOLTAGE WITH DRB III
Turn the ignition off.
Disconnect the Ambient Temperature Sensor harness connector.
Note: Check connector - Clean/repair as necessary.
Turn the ignition on.
With the DRB III , read the Ambient Temperature Sensor voltage.
Does the DRB III
greater?
Yes >> Go to 7
No >> Go to 9
display AMBIENT TEMP: 4.5 VOLTS or
ZH