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

Engine, Cooling and Exhaust > Cooling System > Radiator Cooling Fan > Radiator Cooling Fan Motor > Component Information > Testing and Inspection > Engine Cooling Fan & Relay > Page 3615

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Radiator Cooling Fan Motor: Testing and Inspection
Troubleshooting

Constant Half Speed

1. Short circuit to ground in low speed signal cable.
2. Defective engine cooling fan relay.

Constant High Speed

1. Short circuit to ground in high speed signal cable.
2. Defective engine cooling fan relay.

No Low Speed

Defective fan or cooling fan relay.

No High Speed

1. Open circuit in high speed signal cable.
2. Defective engine cooling fan relay or cooling fan.

No Low or High Speed

1. Open circuit in power cable to ground lead.
2. Defective engine cooling fan relay or cooling fan.

Engine, Cooling and Exhaust > Cooling System > Radiator Cooling Fan > Radiator Cooling Fan Motor > Component Information > Testing and Inspection > Engine Cooling Fan & Relay > Page 3615

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