2005 INFINITI FX35 Service Manual

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Page 1865 of 4731

INFINITI FX35 2005 Service Manual EC-472
[VQ35DE]
DTC P1217 ENGINE OVER TEMPERATURE
Revision: 2005 July 2005 FX
TBWM0307E

Page 1866 of 4731

INFINITI FX35 2005 Service Manual DTC P1217 ENGINE OVER TEMPERATURE EC-473
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Revision: 2005 July 2005 FX
Diagnostic ProcedureABS006VD
PROCEDURE A
1. INSPECTION START
Do you have CONSULT-

Page 1867 of 4731

INFINITI FX35 2005 Service Manual EC-474
[VQ35DE]
DTC P1217 ENGINE OVER TEMPERATURE
Revision: 2005 July 2005 FX
5. CHECK RADIATOR CAP
Apply pressure to cap with a tester.
OK or NG
OK >> GO TO 6.
NG >> Replace radiator cap.
6. CHECK

Page 1868 of 4731

INFINITI FX35 2005 Service Manual DTC P1217 ENGINE OVER TEMPERATURE EC-475
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Revision: 2005 July 2005 FX
PROCEDURE B
1. CHECK COOLILNG FAN POWER SUPPLY CIRCUIT
1. Turn ignition switch OF

Page 1869 of 4731

INFINITI FX35 2005 Service Manual EC-476
[VQ35DE]
DTC P1217 ENGINE OVER TEMPERATURE
Revision: 2005 July 2005 FX
4. CHECK COOLING FAN MOTOR-1 CIRCUIT-I
1. Disconnect cooling fan motor-1 harness connector.
2. Check voltage between coo

Page 1870 of 4731

INFINITI FX35 2005 Service Manual DTC P1217 ENGINE OVER TEMPERATURE EC-477
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Revision: 2005 July 2005 FX
8. CHECK COOLING FAN MOTOR-2 CIRCUIT-I
1. Disconnect cooling fan motor-2 harness

Page 1871 of 4731

INFINITI FX35 2005 Service Manual EC-478
[VQ35DE]
DTC P1217 ENGINE OVER TEMPERATURE
Revision: 2005 July 2005 FX
Main 12 Causes of OverheatingABS006VE
*1: Turn the ignition switch ON.
*2: Engine running at 3,000 rpm for 10 minutes.
*3

EC-478
[VQ35DE]
DTC P1217 ENGINE OVER TEMPERATURE
Revision: 2005 July 2005 FX
Main 12 Causes of OverheatingABS006VE
*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 InspectionABS006VF
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.
Cooling fan motor should operate.
If NG, replace cooling fan motor.
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
3Coolant levelVisual Coolant up to MAX level
in reservoir tank and radi-
ator filler neck CO-11
4Radiator capPressure tester 59 - 98 kPa
(0.6 - 1.0 kg/cm2 , 9 - 14
psi) (Limit) CO-15
ON*25Coolant leaksVisual No leaks
CO-11
ON*26ThermostatTouch the upper and
lower radiator hoses Both hoses should be hot
CO-26
ON*17Cooling fanCONSULT-II Operating See trouble diagnosis for
DTC P1217 ( EC-467
).
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
OFF*410Coolant return from
reservoir tank to radia-
torVisual Should be initial level in reservoir tank CO-11
OFF 11Cylinder headStraight gauge feeler
gauge 0.1 mm (0.004 in) Maxi-
mum distortion (warping) EM-102
12Cylinder block and pis-
tonsVisual No scuffing on cylinder walls or piston EM-122
Cooling fan speed
Cooling fan motor terminals
(+) ( −)
Middle (MID) 1 3 and 4
2 3 and 4
1 and 2 3
1 and 2 4
High (HI) 1 and 2 3 and 4
SEF734W

Page 1872 of 4731

INFINITI FX35 2005 Service Manual DTC P1225 TP SENSOR EC-479
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Revision: 2005 July 2005 FX
DTC P1225 TP SENSORPFP:16119
Component DescriptionABS006VG
Electric throttle control actuator co

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