Replacing relay in engine compartment central electrical unit: Installation

Fig 1: Identifying Position Of Relays In Engine Compartment Central Electrical Unit

Courtesy of VOLVO CARS OF NORTH AMERICA.

Replace the relay. Position the relay as shown in the illustration.

• Test relay function.

Install the cover and screws. Check that the cover has an airtight seal with the edges of the central electrical unit.

• Test relay function.

Position of relays in engine compartment central electrical unit: 

• 101/102 Cruise control
• 103 Fuel pump
• 104/108 Headlamp relay and bulb failure warning sensor
• 105 Overload relay X
• 106 Overload relay 15I
• 107 Spare.