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Home >> Volvo >> 2009 >> C70 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 1 Of 8 >> ECM-120A: Intake Air Temperature (IAT) Sensor. Faulty Signal (B5244S4; 2006-2007) >> Faulty Signal >> Checking The Connector
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Checking The Connector

HINT: The intake air temperature (IAT) sensor is integrated in the mass air flow (MAF) sensor. 

Check the intake air temperature (IAT) sensor connector and terminals. Check for contact resistance. Check for oxidation.

Remedy as necessary.

Other information 

Fig 1: Identifying 5-Pin Connector
GLL104141Courtesy of VOLVO CARS CORPORATION
Fig 2: Identifying Ohms Display
GLL101042Courtesy of VOLVO CARS CORPORATION
Fig 3: Identifying Intake Air Temperature (IAT) Sensor
GLL102926Courtesy of VOLVO CARS CORPORATION