Sensor Testing
- Turn the ignition switch to the OFF position. Disconnect and isolate the battery negative cable (Fig 1
). Disconnect the ambient temperature sensor wire harness connector.
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- Measure the resistance of the ambient temperature sensor. At room temperature (approx. 68°F), the sensor resistance should be between 9-11 Kilohms (9000-11000 ohms). The sensor resistance should read between these two values. If OK, refer to SENSOR CIRCUIT TESTING
. If not OK, replace the faulty ambient temperature sensor.