Stratus Sedan V6-2.7L VIN R (2002)
the ATS, the circuits, and PCI bus communications are con- firmed to be OK, but the CMTC temperature display is inoperative or incorrect, replace the
CMTC.
AMBIENT TEMPERATURE SENSOR TEST
1. Turn the ignition OFF.
2. Disconnect the ATS harness connector.
3. Measure the resistance of the ATS using the following mid max values:
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0° C°(32° F) Sensor Resistance = 29.33 - 35.99 Kilohms
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10° C(50° F) Sensor Resistance = 17.99 - 21.81 Kilohms
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20° C(68° F) Sensor Resistance = 11.37 - 13.61 Kilohms
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25° C(77° F) Sensor Resistance = 9.12 - 10.86 Kilohms
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30° C(86° F) Sensor Resistance = 7.37 - 8.75 Kilohms
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40° C(104° F) Sensor Resistance = 4.90 - 5.75 Kilohms
The sensor resistance should read between these mid max values. If the resistance values are no OK, replace the Sensor.