Checking the power cable

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 connector terminal 3 for the air conditioning (A/C) pressure sensor (control module side) and engine control module (ECM) terminal 74 for an open-circuit according to Open-circuit, permanent faults .

Remedy as necessary.

Fig 1: Identifying EMS2000

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Knock Sensor (KS) Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

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Refer to Verification