Checking the wiring and component

Check the circuit between engine control module (ECM) terminal #B11 and the battery. Check for an open-circuit. See the relevant Wiring diagram information.

Other information 

• To connect the breakout box, see Connecting the breakout box
• To access the control module, see Replacing the engine control module (ECM)
• For information about signals see Signal specification
• See Checking wiring and terminals .

Fig 1: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

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  Refer to Verification