2008 INFINITI FX35 Service Manual

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Page 1673 of 3924

INFINITI FX35 2008 Service Manual
DTC P0850 PNP SWITCHEC-433
< SERVICE INFORMATION > [VQ35DE]
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1. Disconnect TCM harness connector.
2. Check harness continuity between A/T assembly terminal 9 and TCM te

Page 1674 of 3924

INFINITI FX35 2008 Service Manual
EC-434
< SERVICE INFORMATION >[VQ35DE]
DTC P1148, P1168 CLO
SED LOOP CONTROL
DTC P1148, P1168 CLOSED LOOP CONTROL
On Board Diagnosis LogicINFOID:0000000001326282
These self-diagnoses have the one tr

Page 1675 of 3924

INFINITI FX35 2008 Service Manual
DTC P1211 TCS CONTROL UNITEC-435
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DTC P1211 TCS CONTROL UNIT
DescriptionINFOID:0000000001326283
The malfunction information related to

Page 1676 of 3924

INFINITI FX35 2008 Service Manual
EC-436
< SERVICE INFORMATION >[VQ35DE]
DTC P1212 TCS COMMUNICATION LINE
DTC P1212 TCS COMMUNICATION LINE
DescriptionINFOID:0000000001326287
NOTE:

If DTC P1212 is displayed with DTC U1000 or U1001,

Page 1677 of 3924

INFINITI FX35 2008 Service Manual
DTC P1217 ENGINE OVER TEMPERATUREEC-437
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DTC P1217 ENGINE OVER TEMPERATURE
DescriptionINFOID:0000000001326291
SYSTEM DESCRIPTION
NOTE:

Page 1678 of 3924

INFINITI FX35 2008 Service Manual
EC-438
< SERVICE INFORMATION >[VQ35DE]
DTC P1217 ENGINE
OVER TEMPERATURE
COMPONENT DESCRIPTION
Cooling Fan Motor
The cooling fan operates at each speed when the curr ent flows in the cooling fan mot

Page 1679 of 3924

INFINITI FX35 2008 Service Manual
DTC P1217 ENGINE OVER TEMPERATUREEC-439
< SERVICE INFORMATION > [VQ35DE]
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CAUTION:
When a malfunction is in
dicated, be sure to replace the coolant. Refer to CO-10, "

DTC P1217 ENGINE OVER TEMPERATUREEC-439
< SERVICE INFORMATION > [VQ35DE]
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CAUTION:
When a malfunction is in
dicated, be sure to replace the coolant. Refer to CO-10, "
Changing Engine
Coolant". Also, replace the engine oil. Refer to LU-7, "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".
2. After refilling coolant, run engine to ensure that no water-flow noise is emitted.
Overall Function CheckINFOID:0000000001326294
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 ca p 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 befo re 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-441,
"Diagnosis Procedure".
2. Confirm whether customer filled the coolant or not. If customer
filled the coolant, skip the following steps and go to EC-441,
"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-441, "
Diagnosis Procedure".
WITH GST
1. Check the coolant level in the reservoir tank and radiator.
Allow engine to cool befo re 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-441,
"Diagnosis Procedure".
2. Confirm whether customer filled the coolant or not. If customer
filled the coolant, skip the following steps and go to EC-441,
"Diagnosis Procedure".
3. Perform IPDM E/R auto active test and check cooling fan motors operation, refer to PG-20, "
Auto Active Test"
4. If NG, go to EC-441, "Diagnosis Procedure".
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 level was not added to the
system using the proper filling method.
Engine coolant is not within the specified range. Harness or connectors
(Cooling fan circuit is open or shorted.)
IPDM E/R
Cooling fan
Radiator hose
Radiator
Radiator cap
Water pump
Thermostat
For more informat ion, refer to EC-445,
"Main 12 Causes of Overheating".
SEF621W
SEF621W
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 1680 of 3924

INFINITI FX35 2008 Service Manual
EC-440
< SERVICE INFORMATION >[VQ35DE]
DTC P1217 ENGINE
OVER TEMPERATURE
Wiring Diagram
INFOID:0000000001326295
TBWM1399E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC0

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