Radiator Fan Motor Electrical Circuit - Trouble Diagnoses — Radiator Fan Motor (Cont'd)
LC-28flowchartDistinguishes R.H.D. and L.H.D. radiator fan relay-1 layouts.
Trouble Diagnoses — Radiator Fan Motor (Cont'd)
IMPORTANT
SYMPTOM: Even though the engine is cold, the radiator fan motor is rotating.
Radiator Fan Motor — rotating when engine cold
1
1) Turn ignition switch "ON". 2) Disconnect water temperature switch. Radiator fan motor should stop.
O.K.
Replace water temperature switch with a new one.
N.G.
2
1) Disconnect radiator relay. Radiator fan motor should stop.
O.K.
Replace radiator fan relay with a new one.
N.G.
3
Go to B (circled B)
4
A: 1) Check voltage between terminal s and ground. No voltage should exist. If N.G., check harness between terminal s and radiator fan motor harness connector terminal b for shorting.