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Diagnostic Trouble Code: B1261
Diagnostic Trouble Code Name: Solar Radiation Sensor Circuit Short To Ground. Input held at less than 0.17V, External Fault
Vehicle Make: Ford
Vehicle Model: Falcon (BF)
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 Compressor Clutch Relay Control Circuit Low
Voltage
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P0645, P0646, or P0647
Circuit / System Description
When the A/C switch is pressed, the HVAC control module sends an A/C request message to the engine control module (ECM) via CAN-Bus. Therefore, the ECM grounds the A/C compressor clutch relay control circuit, which will switch the A/C compressor clutch relay. With the relay contacts closed, battery voltage is supplied to the A/C compressor clutch. The A/C compressor clutch will be activated.
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