Diagnostic Procedure 34 (Cont'd) - Cooling Fan Control
EF & EC-2009flowchartUnverifiedSteps 1) and 2) of power supply check are only performed for models with air conditioner. This is the supplement (2009-series) version using 'cooling fan' terminology.
TROUBLE DIAGNOSES
Diagnostic Procedure 34 (Cont'd)
Cooling Fan Control diagnostic
1
INSPECTION START
2
A: CHECK COOLING 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". 4) Turn blower fan switch "ON". 5) Run engine at idle for a few minutes with air conditioner operating. 6) Make sure that cooling 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 cooling fan begins to operate during warm-up.
OK
INSPECTION END
NG
3
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 cooling fan relay. 5) Check voltage between cooling fan relay terminals (2), (5) and ground. Voltage: Battery voltage
NG
Check the following: - 65A fusible link - 25A fusible link - Harness continuity between battery and cooling fan relay. If NG repair harness or connectors.
OK
4
(A) - continues to next page