2008 INFINITI FX35 Service Manual

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Page 2265 of 3924

INFINITI FX35 2008 Service Manual
DTC P1140, P1145 IVT CONTROL POSITION SENSOR
EC-1025
< SERVICE INFORMATION > [VK45DE]
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Refer to Wiring Diagram.
3. Also check harness for short to ground and short to p

Page 2266 of 3924

INFINITI FX35 2008 Service Manual
EC-1026
< SERVICE INFORMATION >[VK45DE]
DTC P1140, P1145 IVT CO
NTROL POSITION SENSOR
5. Check resistance as shown below.
6. If NG, replace intake valve timing control position sensor.
Removal and In

Page 2267 of 3924

INFINITI FX35 2008 Service Manual
DTC P1148, P1168 CLOSED LOOP CONTROL
EC-1027
< SERVICE INFORMATION > [VK45DE]
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DTC P1148, P1168 CLOSED LOOP CONTROL
On Board Diagnosis LogicINFOID:0000000001326887
Thes

Page 2268 of 3924

INFINITI FX35 2008 Service Manual
EC-1028
< SERVICE INFORMATION >[VK45DE]
DTC P1211 TCS CONTROL UNIT
DTC P1211 TCS CONTROL UNIT
DescriptionINFOID:0000000001326888
The malfunction information related to TCS is trans
ferred through the

Page 2269 of 3924

INFINITI FX35 2008 Service Manual
DTC P1212 TCS COMMUNICATION LINEEC-1029
< SERVICE INFORMATION > [VK45DE]
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DTC P1212 TCS COMMU
NICATION LINE
DescriptionINFOID:0000000001326892
NOTE:
If DTC P1212 is di

Page 2270 of 3924

INFINITI FX35 2008 Service Manual
EC-1030
< SERVICE INFORMATION >[VK45DE]
DTC P1217 ENGINE
OVER TEMPERATURE
DTC P1217 ENGINE OVER TEMPERATURE
DescriptionINFOID:0000000001326896
SYSTEM DESCRIPTION
NOTE:
If DTC P1217 is displayed wit

Page 2271 of 3924

INFINITI FX35 2008 Service Manual
DTC P1217 ENGINE OVER TEMPERATUREEC-1031
< SERVICE INFORMATION > [VK45DE]
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COMPONENT DESCRIPTION
Cooling Fan Motor
The cooling fan at each speed when the current
flows

DTC P1217 ENGINE OVER TEMPERATUREEC-1031
< SERVICE INFORMATION > [VK45DE]
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COMPONENT DESCRIPTION
Cooling Fan Motor
The cooling fan at each speed when the current
flows in the cooling fan motor as follows.
CONSULT-III Reference Value in Data Monitor ModeINFOID:0000000001326897
Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000001326898
If the cooling fan or another component in the cooling system malfunctions, engine coolant temperature will
rise.
When the engine coolant temperature reaches an abnorma lly high temperature condition, a malfunction is
indicated.
This self-diagnosis has the on e trip detection logic.
CAUTION:
When a malfunction is in dicated, be sure to replace the coolant. Refer to CO-37, "
Changing Engine
Coolant". Also, replace the engine oil. Refer to LU-24, "Changing Engine Oil".
1. Fill radiator with coolant up to specified level with a filling speed of 2 liters per minute. Be sure to
use coolant with the proper mixture ratio. Refer to MA-10, "
Anti-Freeze Coolant Mixture Ratio".
Cooling fan speed Cooling fan relay
13
Stop (OFF) OFF OFF
Middle (MID) OFF ON
High (HI) ON ON
Cooling fan speed Cooling fan motor terminals
(+) (-)
Middle (MID) 1 3 and 4
2 3 and 4
High (HI) 1 and 2 3 and 4
MONITOR ITEM CONDITION SPECIFICATION
COOLING FAN Engine: After warming up, idle the
engine
Air conditioner switch: OFF Engine coolant temperature is 94
°C
(201 °F) or less OFF
Engine coolant temperature is between
95 °C (203 °F) and 104 °C (219 °F) MID
Engine coolant temperature is 105 °C
(221 °F) or more HI
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1217
1217 Engine over tempera-
ture (Overheat) Cooling fan does not operate properly (Over-
heat).
Cooling fan system does not operate proper- ly (Overheat).
Engine coolant was not added to the system using the proper filling method.
Engine coolant is not within the specified
range. Harness or connectors
(The cooling fan circuit is open or short-
ed.)
IPDM E/R
Cooling fan
Radiator hose
Radiator
Radiator cap
Water pump
Thermostat
Water control valve
For more informat ion, refer to EC-1039,
"Main 13 Causes of Overheating".
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3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 2272 of 3924

INFINITI FX35 2008 Service Manual
EC-1032
< SERVICE INFORMATION >[VK45DE]
DTC P1217 ENGINE
OVER TEMPERATURE
2. After refilling coolant, run engine to en sure that no water-flow noise is emitted.
Overall Function CheckINFOID:00000000

EC-1032
< SERVICE INFORMATION >[VK45DE]
DTC P1217 ENGINE
OVER TEMPERATURE
2. After refilling coolant, run engine to en sure that no water-flow noise is emitted.
Overall Function CheckINFOID:0000000001326899
Use this procedure to check the overall function of the cooling fan. During this check, a DTC might not be con-
firmed.
WARNING:
Never remove the radiator cap when the engine is hot. Serious burns could be caused by high pres-
sure fluid escaping from the radiator.
Wrap a thick cloth around cap. Carefully remove the cap by turning it a quarter turn to allow built-up
pressure to escape. Then turn the cap all the way off.
WITH CONSULT-III
1. Check the coolant level in the reservoir tank and radiator. Allow engine to cool before checking coolant level.
If the coolant level in the reservoir tank and/or radiator is below
the proper range, skip the following steps and go to EC-1035,
"Diagnosis Procedure".
2. Confirm whether customer filled the coolant or not. If customer
filled the coolant, skip the following steps and go to EC-1035,
"Diagnosis Procedure".
3. Turn ignition switch ON.
4. Perform “COOLING FAN” in “ACTIVE TEST” mode with CON- SULT-III.
5. If the results are NG, go to EC-1035, "
Diagnosis Procedure".
WITH GST
1. Check the coolant level in the reservoir tank and radiator.
Allow engine to cool before checking coolant level.
If the coolant level in the reservoir tank and/or radiator is below
the proper range, skip the following steps and go to EC-1035,
"Diagnosis Procedure".
2. Confirm whether customer filled the coolant or not. If customer
filled the coolant, skip the following steps and go to EC-1035,
"Diagnosis Procedure".
3. Disconnect engine coolant temperature sensor harness connec- tor.
4. Connect 200 Ω resister to the engine coolant temperature sensor
harness connector.
5. Start engine and make sure that cooling fan operates at middle speed.
Be careful not to overheat engine.
If NG, go to EC-1035, "
Diagnosis Procedure".
If OK, go to the following step.
6. Turn ignition switch OFF.
7. Disconnect 200 Ω resister from engine coolant temperature sen-
sor harness connector.
8. Connect 150 Ω resistor to engine coolant temperature sensor
harness connector.
SEF621W
SEF621W
PBIB0965E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

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