2006 INFINITI FX35 Service Manual

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Page 1889 of 4462

INFINITI FX35 2006 Service Manual DTC P1217 ENGINE OVER TEMPERATURE EC-505
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EC
Revision: 2006 December 2006 FX35/FX45
PROCEDURE B
1. CHECK COOLILNG FAN POWER SUPPLY CIRCUIT
1. Turn ignition

Page 1890 of 4462

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

Page 1891 of 4462

INFINITI FX35 2006 Service Manual DTC P1217 ENGINE OVER TEMPERATURE EC-507
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Revision: 2006 December 2006 FX35/FX45
8. CHECK COOLING FAN MOTOR-2 CIRCUIT-I
1. Disconnect cooling fan motor-

Page 1892 of 4462

INFINITI FX35 2006 Service Manual EC-508
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DTC P1217 ENGINE OVER TEMPERATURE
Revision: 2006 December 2006 FX35/FX45
Main 12 Causes of OverheatingNBS003UN
*1: Turn the ignition switch ON.
*2: Engine running at 3,000 rpm for 10

EC-508
[VQ35DE]
DTC P1217 ENGINE OVER TEMPERATURE
Revision: 2006 December 2006 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-497,
"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 1893 of 4462

INFINITI FX35 2006 Service Manual DTC P1217 ENGINE OVER TEMPERATURE EC-509
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Revision: 2006 December 2006 FX35/FX45
Cooling fan motor should operate.
If NG, replace cooling fan motor.
Coo

Page 1894 of 4462

INFINITI FX35 2006 Service Manual EC-510
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DTC P1225 TP SENSOR
Revision: 2006 December 2006 FX35/FX45
DTC P1225 TP SENSORPFP:16119
Component DescriptionNBS003UP
Electric throttle control actuator consists of throttle control mo

Page 1895 of 4462

INFINITI FX35 2006 Service Manual DTC P1225 TP SENSOR EC-511
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Revision: 2006 December 2006 FX35/FX45
Diagnostic ProcedureNBS003US
1. CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1.

Page 1896 of 4462

INFINITI FX35 2006 Service Manual EC-512
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DTC P1226 TP SENSOR
Revision: 2006 December 2006 FX35/FX45
DTC P1226 TP SENSORPFP:16119
Component DescriptionNBS003UU
Electric throttle control actuator consists of throttle control mo

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