Nissan Qashqai (2007-2010). Manual - part 349
COOLING FAN
EC-915
< COMPONENT DIAGNOSIS >
[MR20DE (WITH EURO-OBD)]
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COOLING FAN
Description
INFOID:0000000001089515
Cooling fan operates at each speed when the current flows in the cooling fan motor as follows.
Refer to
for cooling fan operation.
Component Function Check
INFOID:0000000001089516
1.
CHECK COOLING FAN LOW SPEED FUNCTION
With CONSULT-III
1.
Turn ignition switch ON.
2.
Perform “COOLING FAN” in “ACTIVE TEST” mode with CONSULT-III and touch “LOW” on the CON-
SULT-III screen.
3.
Make sure that cooling fans operates at low speed.
Without CONSULT-III
1.
Start engine and let it idle.
2.
Turn air conditioner switch and blower fan switch ON.
3.
Make sure that cooling fan operates at low speed.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Check cooling fan low speed control circuit.
2.
CHECK COOLING FAN HIGH SPEED FUNCTION
With CONSULT-III
1.
Touch “HI” on the CONSULT-III screen.
2.
Make sure that cooling fans operates at higher speed than low speed.
Without CONSULT-III
1.
Turn ignition switch OFF.
2.
Turn air conditioner switch and blower fan switch OFF.
3.
Disconnect engine coolant temperature sensor harness connector.
4.
Connect 150
Ω
resistor to engine coolant temperature sensor harness connector.
5.
Restart engine and make sure that cooling fan operates at higher speed than low speed.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check cooling fan high speed control circuit.
Diagnosis Procedure
INFOID:0000000001089517
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R harness connector and cooling fan relay-3 harness connector.
3.
Check the voltage between IPDM E/R harness connector or cooling fan relay-3 harness connector and
ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
DETECT MALFUNCTIONING PART
Check the following.
IPDM E/R
cooling fan relay-3
Ground
Voltage
Connector
Terminal
Connec-
tor
Terminal
E14
53
E59
1
Ground
Battery voltage
3