Checking wiring and terminals

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

Check the cable between mass air flow (MAF) sensor connector terminal #3 (engine control module (ECM) side) and system relay 2/14 base terminal #5 for an open-circuit according to Open-circuit, permanent faults .

Remedy as necessary.

Fig 1: Identifying Atmospheric Pressure Sensor Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying System Relay Base Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

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Refer to Verification