volvo Workshop Repair Guides

Volvo Workshop Service and Repair Manuals

Relays and Modules - Cruise Control > < Diagram Information and Instructions|Page 33
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Radiator Cooling Fan Motor Relay: Testing and Inspection

EXCEPT MODELS W/ENGINE COOLING FAN IGNITION ADVANCE SYSTEM

1.

Turn ignition to ON position.

2.

Connect a suitable jumper wire between thermal switch electrical connector terminals. Do not disconnect electrical connector.

3.

With jumper wire properly installed, the engine cooling fan should activate.

4.

If fan does not operate, visually check relay, relay wiring and electrical connector for open and/or short circuits, relay for correct installation,
incorrectly grounded and/or damaged electrical connector. After conducting repairs on either the wiring, relay or electrical connector, repeat step
3.

5.

If fan still does not operate, replace relay and repeat test procedure.

Relays and Modules - Cruise Control > < Diagram Information and Instructions|Page 33