2007 INFINITI FX35 Service Manual

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Page 1881 of 4366

INFINITI FX35 2007 Service Manual DTC P1217 ENGINE OVER TEMPERATURE EC-505
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Revision: 2006 July 2007 FX35/FX45
4. CHECK COOLING FAN MOTOR-1 CIRCUIT-I
1. Disconnect cooling fan motor-1 h

Page 1882 of 4366

INFINITI FX35 2007 Service Manual EC-506
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DTC P1217 ENGINE OVER TEMPERATURE
Revision: 2006 July 2007 FX35/FX45
8. CHECK COOLING FAN MOTOR-2 CIRCUIT-I
1. Disconnect cooling fan motor-2 harness connector.
2. Check harness cont

Page 1883 of 4366

INFINITI FX35 2007 Service Manual DTC P1217 ENGINE OVER TEMPERATURE EC-507
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Revision: 2006 July 2007 FX35/FX45
Main 12 Causes of OverheatingNBS003UN
*1: Turn the ignition switch ON.
*2:

DTC P1217 ENGINE OVER TEMPERATURE EC-507
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Revision: 2006 July 2007 FX35/FX45
Main 12 Causes of OverheatingNBS003UN
*1: Turn the ignition switch ON.
*2: Engine running at 3,000 rpm for 10 minutes.
*3: Drive at 90 km/h (55 MPH) for 30 minutes and then let idle for 10 minutes.
*4: After 60 minutes of cool down time.
For more information, refer to CO-7, "
OVERHEATING CAUSE ANALYSIS" .
Component InspectionNBS003UO
COOLING FAN MOTORS-1 AND -2
1. Disconnect cooling fan motor harness connectors.
2. Supply cooling fan motor terminals with battery voltage and check operation.
Engine Step Inspection item Equipment Standard Reference page
OFF 1
Blocked radiator
Blocked condenser
Blocked radiator grille
Blocked bumper
Visual No blocking —
2
Coolant mixtureCoolant tester 50 - 50% coolant mixture MA-13, "Anti-Freeze
Coolant Mixture Ratio"
3Coolant levelVisual Coolant up to MAX level
in reservoir tank and radi-
ator filler neck CO-11, "Changing
Engine Coolant"
4Radiator capPressure tester 59 - 98 kPa
(0.6 - 1.0 kg/cm2 , 9 - 14
psi) (Limit) CO-15, "
Checking Radia-
tor Cap"
ON*25Coolant leaksVisual No leaks
CO-11, "LEAK CHECK"
ON*26ThermostatTouch the upper and
lower radiator hoses Both hoses should be hot
CO-27, "WATER INLET
AND THERMOSTAT
ASSEMBLY"
ON*17Cooling fanCONSULT-II Operating See trouble diagnosis for
DTC P1217 ( EC-496,
"DTC P1217 ENGINE
OVER TEMPERATURE"
).
OFF 8
Combustion gas leakColor checker chemical
tester 4 Gas analyzer Negative —
ON*
39Coolant temperature
gaugeVisual Gauge less than 3/4 when driving —
Coolant overflow to
reservoir tankVisual No overflow during driving and idling CO-11, "Changing
Engine Coolant"
OFF*410Coolant return from
reservoir tank to radia-
torVisual Should be initial level in reservoir tank CO-11, "Changing
Engine Coolant"
OFF 11Cylinder headStraight gauge feeler
gauge 0.1 mm (0.004 in) Maxi-
mum distortion (warping) EM-103, "Cylinder Head
Distortion"
12Cylinder block and pis-
tonsVisual No scuffing on cylinder walls or piston EM-123, "CYLINDER
BLOCK"
SEF734W

Page 1884 of 4366

INFINITI FX35 2007 Service Manual EC-508
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DTC P1217 ENGINE OVER TEMPERATURE
Revision: 2006 July 2007 FX35/FX45
Cooling fan motor should operate.
If NG, replace cooling fan motor.
Cooling fan speed Cooling fan motor terminals

Page 1885 of 4366

INFINITI FX35 2007 Service Manual DTC P1225 TP SENSOR EC-509
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Revision: 2006 July 2007 FX35/FX45
DTC P1225 TP SENSORPFP:16119
Component DescriptionNBS003UP
Electric throttle control actu

Page 1886 of 4366

INFINITI FX35 2007 Service Manual EC-510
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DTC P1225 TP SENSOR
Revision: 2006 July 2007 FX35/FX45
Diagnostic ProcedureNBS003US
1. CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Turn ignition switch OFF.
2. Remove the in

Page 1887 of 4366

INFINITI FX35 2007 Service Manual DTC P1226 TP SENSOR EC-511
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Revision: 2006 July 2007 FX35/FX45
DTC P1226 TP SENSORPFP:16119
Component DescriptionNBS003UU
Electric throttle control actu

Page 1888 of 4366

INFINITI FX35 2007 Service Manual EC-512
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DTC P1226 TP SENSOR
Revision: 2006 July 2007 FX35/FX45
Diagnostic ProcedureNBS003UX
1. CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Turn ignition switch OFF.
2. Remove the in

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