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Diagnostic Trouble Code: B1101
Diagnostic Trouble Code Name: Battery Voltage High
Vehicle Make: Daewoo
Vehicle Model: Tosca (V250)
Diagnostic Code Entered By: ZerOne
Diagnostic Code Entered On: Wed Oct 06, 2010 11:00 pm
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Please Note: The DTC Information provided has been randomly generated.
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Diagnostic Trouble Code Description:
Air Conditioning Evaporator Temperature Sensor Circuit
Possible Sensor Faults
HVAC Control Module
Possible Related Diagnostic Trouble Codes
DTC B3933
Circuit / System Description
The A/C evaporator temperature sensor is a 2-wire negative temperature co-efficient thermistor. A signal and low reference circuit enables the sensor to operate. As the air temperature surrounding the sensor increases, the sensor resistance decreases. The sensor signal voltage decreases as the resistance decreases. The sensor operates within a temperature range between -40 to +85?C (-40 to +185?F). The sensor signal varies between 0-5?V. The HVAC control module converts the signal to a range between 0-255?counts. As the air temperature increases the count value will decrease. If the HVAC control module detects a malfunctioning sensor, then the control module software will use a default air temperature value. The default action ensures that the HVAC system can adjust the inside air temperature near the desired temperature until the condition is corrected.
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