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940 L4-2.3L SOHC VIN 88 B230F (1992)

Engine, Cooling and Exhaust > Cooling System > Relays and Modules - Cooling System > Radiator Cooling Fan Motor Relay > Component Information > Testing and Inspection > Without Engine Cooling Fan Ignition Advance System > Page 3891

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Radiator Cooling Fan Motor Relay: Testing and Inspection
Engine Cooling Fan Ignition Advance System

    When performing the following tests refer to SCHEMATIC DIAGRAMS/ELECTRICAL AND ELECTRONIC DIAGRAMS.

1.

Install a suitable ignition timing light onto engine as per manufacturer's instructions.

2.

Start and operate engine until normal operating temperature is reached.

3.

With engine idling, connect two jumper wires at thermal switch to each other.

4.

With the jumper wires connected, the electrical cooling fan should operate and the ignition setting should advance by 13° as indicated by the
timing light.

5.

If either the electric cooling fan does not operate or ignition timing is not advanced by 13°, replace relay assembly as required and repeat test
procedure.

Engine, Cooling and Exhaust > Cooling System > Relays and Modules - Cooling System > Radiator Cooling Fan Motor Relay > Component Information > Testing and Inspection > Without Engine Cooling Fan Ignition Advance System > Page 3891

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