Diagnostic Procedure 34 (Cont'd) - Radiator Fan Control
EF & EC-162flowchartSteps 1) and 2) of power supply check are only performed for models with air conditioner.
TROUBLE DIAGNOSES
Diagnostic Procedure 34 (Cont'd)
Radiator Fan Control diagnostic
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INSPECTION START
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A: CHECK RADIATOR FAN OPERATION. [With air conditioner] 1) Start engine. 2) Set temperature lever at full cold position. 3) Turn air conditioner switch "ON". 4) Turn blower fan switch "ON". 5) Run engine at idle for a few minutes with air conditioner operating. 6) Make sure that radiator fan operates. [Without air conditioner] 1) Start engine. 2) Keep engine speed at about 2,000 rpm until engine is warmed up sufficiently. 3) Make sure that radiator fan begins to operate during warm-up.
O.K.
INSPECTION END
N.G.
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B: CHECK POWER SUPPLY. 1) Turn air conditioner switch "OFF". 2) Turn blower fan switch "OFF". Step 1) and 2) are only performed for model with air conditioner. 3) Stop engine. 4) Disconnect radiator fan relay. 5) Check voltage between radiator fan relay terminals (2), (5) and ground. Voltage: Battery voltage
N.G.
Check the following. - 65A fusible link - 25A fusible link - Harness continuity between battery and radiator fan relay. If N.G., repair harness or connectors.
O.K.
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(A) - continues to next page