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Home >> Volvo >> 2007 >> V70 Base, 2.5 59, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes (DTC) - 5 Of 14 >> ECM-3010: Camshaft Position (CMP) Sensor, Exhaust. Faulty Signal (B5244S; 2005-2007) >> Signal missing >> Checking components and connections

Checking components and connections

Check the connector for the camshaft position (CMP) sensor. Check for contact resistance and oxidation.

Check the signal cable between engine control module (ECM) terminal #A47 (#A47) and camshaft position (CMP) sensor 2. Check for an open-circuit. Check for a short-circuit to supply voltage. Check for a short-circuit to ground.

Check the power supply cable between control module terminal #A57 (#A57) and camshaft position (CMP) sensor 1. Check for an open-circuit. Check for a short-circuit to supply voltage. Check for a short-circuit to ground.

Check the ground lead between control module terminal #A65 (#A65) and camshaft position (CMP) sensor 3. Check for an open-circuit.

Remedy as necessary.

Other information: 

Fig 1: Identifying Connector Terminals
GLL104071Courtesy of VOLVO CARS OF NORTH AMERICA.