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Home >> Volvo >> 2009 >> C30 R-Design, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 1 Of 8 >> ECM-200F: Engine Coolant Temperature (ECT) Sensor. Faulty Signal (B5244S4; 2007-2010) >> Faulty Signal >> Checking The Connector
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Checking The Connector

Check the connector and terminals on the engine coolant temperature (ECT) sensor. Check for contact resistance. Check for oxidation.

Remedy as necessary.

Other information 

Fig 1: Identifying 2-Bit Connector
GLL107985Courtesy of VOLVO CARS CORPORATION
Fig 2: Identifying Ohm Meter
GLL101042Courtesy of VOLVO CARS CORPORATION
Fig 3: Identifying Engine Coolant Temperature (ECT) Sensor
GLL128585Courtesy of VOLVO CARS CORPORATION