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