Checking wiring and components

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 that the resistance in the system relay (2/14) between terminals 1 and 2 is approximately 75 Ω at +20 °C.

Replace the system relay if necessary.

Fig 1: Identifying System Relay Control Connector Terminals

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Fig 2: Identifying Ohmmeter

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Fig 3: Identifying Integrated Relay/Fusebox In Engine Compartment

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Refer to Checking wiring and components

Check the signal cable between engine control module (ECM) terminal 10 and system relay base terminal 1 for a short-circuit to supply voltage. Remedy according to Short-circuit to supply voltage. Permanent faults .

Other information

To connect the breakout box, see Connecting the breakout box. EMS 2000 .

Fig 1: Identifying EMS2000

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Fig 2: Identifying Voltage Display

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Fig 3: Identifying System Relay Base Terminals

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Refer to Verification