Nissan Note [1688/1872] Ec 1688

Nissan Note [1688/1872] Ec 1688
EC-1688
[K9K]
TROUBLE DIAGNOSIS
*: When climate control is requested with the engine at idle speed and vehicle speed=0km/h,FANUNITLOWwillalwaysbe“ACTIVE
and FAN UNIT HIGH “INACTIVE” (except refrigerant pressure > 15 bar, vehicle speed = 0 km/ h and high engine coolant temperature).
The fan is prevented from operating under certain engine coolant temperature conditions when driving.
HEATING SUBFUNCTION
Test Condition: Engine Stopped and Ignition Switch ON
Test Condition: Engine at Idle
10 Fan speed request*
ET022:
FAN UNIT LOW
INACTIVE
TheECMrequeststheIPDME/
Rtostartthefan.
INACTIVE: The request is not
made by theECM because
DMND LNK COMP = INAC-
TIVE and A/C AUTHOR = NO.
ACTIVE: The request is made
by the ECM.
DMND LNK COMP = ACTIVE
and A/C AUTHOR = YES.
(correct refrigerant pressure
and vehicle speed = 0 km/h or
high engine coolant tempera-
ture).
NONE.
ET021:
FAN UNIT HIGH
INACTIVE
TheECMrequeststheIPDME/
Rtostartthefan.
INACTIVE: The request is not
made by the ECM because
DMND LNK COMP = INAC-
TIVE and A/C AUTHOR = NO.
ACTIVE: The request is made
by the ECM.
DMND LNK COMP = ACTIVE
and A/C AUTHOR = YES.
Refrigerant pressure > 15 Bar,
vehiclespeed=0km/horhigh
engine coolant temperature.
Order Function
Parameter or status
check or action
Display and notes Trouble diagnosis
Order Function
Parameter or status
check or action
Display and notes Trouble diagnosis
1
Engine coolant temper-
ature
PR064:
WATER TEMP
Warm: 90°C
Indicates the engine coolant
temperature in °C.
Default value: 80°C.
In the event of a malfunction,
perform the trouble diagnosis for
DTC P0115 ECT SENSOR.
Order Function
Parameter or status
check or action
Display and notes Trouble diagnosis
1
Engine coolant temper-
ature
PR064:
WATER TEMP
Warm: 90°C
Indicates the engine coolant
temperature in °C.
Default value: 80°C.
In the event of a malfunction,
perform the trouble diagnosis
for DTC P0115 ECT SEN-
SOR.

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