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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control Module (ECM) Diagnostic Trouble Codes - 2 Of 11 >> ECM-1600: Boost Pressure Sensor. Signal Too High. Intermittent Fault (B6284T; 1999-2001) >> Signal too high. Intermittent fault >> Checking wiring and connectors

Checking wiring and connectors

Check the boost pressure sensor connector. Check for contact resistance and oxidation. Check for loose connections.

Check the signal cable between control module terminal #A23 (#A23) and boost pressure sensor terminal 3. Check for an intermittent open-circuit. Check for an intermittent short-circuit to supply voltage.

Check the ground lead between control module terminal #A60 (#A60) and boost pressure sensor terminal 2. Check for an intermittent open-circuit.

Other information 

Fig 1: Identifying Boost Pressure Sensor Connector Terminals
GLL104130Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Ohmmeter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 3: Identifying Boost Pressure Sensor
GLL100933Courtesy of VOLVO CARS OF NORTH AMERICA.