Checking The Component And Wiring

Check the cable between engine control module (ECM) terminal #B8 (#C8) and system relay coil terminal #2. Check for a short-circuit to ground. Check for an open-circuit.

Check the power supply to the starter motor.

Remedy as necessary.

Other information 

• see CONNECTING THE BREAKOUT BOX
• see SIGNAL SPECIFICATION
• see CHECKING WIRING AND TERMINALS

Fig 1: Identifying Main Relay

Courtesy of VOLVO CARS CORPORATION

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  Refer to VERIFICATION