Radiator Fan Motor Test

Apply battery voltage across fan motor terminals. Radiator fan motor should operate. If motor does not operate, replace motor.

FAN MOTOR OPERATION TEST

Motor No.	Motor Speed	BatteryPositive (+)	Battery Negative (-)
1	Low	"b"	"c"
1	High	"a" & "b"	"c" & "d"
2	Low	"b"	"c"
2	High	"a" & "b"	"c" & "d"

Fig 1: Testing Radiator Fan Motors (Typical)

Courtesy of NISSAN MOTOR CO., U.S.A.