2004 INFINITI FX35 Service Manual

dead battery warning light fuel tank removal bonnet radio four wheel drive

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INFINITI FX35 2004 Service Manual EC-860
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DTC P0127 IAT SENSOR
Revision: 2004 November 2004 FX35/FX45
Component InspectionABS00C2G
INTAKE AIR TEMPERATURE SENSOR
1. Check resistance between intake air temperature sensor termi-

Page 2202 of 4449

INFINITI FX35 2004 Service Manual DTC P0128 THERMOSTAT FUNCTION
EC-861
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Revision: 2004 November 2004 FX35/FX45
DTC P0128 THERMOSTAT FUNCTIONPFP:21200
On Board Diagnosis LogicABS00C2I
Engine coolant te

DTC P0128 THERMOSTAT FUNCTION
EC-861
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Revision: 2004 November 2004 FX35/FX45
DTC P0128 THERMOSTAT FUNCTIONPFP:21200
On Board Diagnosis LogicABS00C2I
Engine coolant temperature has not risen enough to open the thermostat even though the engine has run long
enough.
This is due to a leak in the seal or the thermostat stuck open.
DTC Confirmation ProcedureABS00C2J
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
For best results, perform at ambient temperature of –10°C (14°F) or higher.
For best results, perform at engine coolant temperature of –10°C (14°F) to 60°C (140°F).
WITH CONSULT-II
1. Replace thermostat with new one. Refer to CO-51, "THERMOSTAT AND WATER CONTROL VALVE" .
Use only a genuine NISSAN thermostat as a replacement. If an incorrect thermostat is used, the MIL may
come on.
2. Turn ignition switch ON.
3. Select “COOLAN TEMP/S” in “DATA MONITOR” mode with CONSULT-II.
4. Check that the “COOLAN TEMP/S” is above 60°C (140°F).
If it is below 60°C (140°F), go to following step.
If it is above 60°C (140°F), cool down the engine to less than 60°C (140°F), then retry from step 1.
5. Drive vehicle for 10 consecutive minutes under the following conditions.
If 1st trip DTC is detected, go to EC-861, "
Diagnostic Procedure" .
WITH GST
1. Follow the procedure “WITH CONSULT-II” above.
Diagnostic ProcedureABS00C2K
1. CHECK ENGINE COOLANT TEMPERATURE SENSOR
Refer to EC-862, "
Component Inspection" .
OK or NG
OK >>INSPECTION END
NG >> Replace engine coolant temperature sensor.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0128
0128Thermostat functionThe engine coolant temperature does not
reach to specified temperature even though
the engine has run long enough.
Thermostat
Leakage from sealing portion of thermo-
stat
Engine coolant temperature sensor
VHCL SPEED SE 80 - 120 km/h (50 - 75 MPH)

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INFINITI FX35 2004 Service Manual EC-862
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DTC P0128 THERMOSTAT FUNCTION
Revision: 2004 November 2004 FX35/FX45
Component InspectionABS00C2L
ENGINE COOLANT TEMPERATURE SENSOR
Check resistance as shown in the figure.
<Reference

Page 2204 of 4449

INFINITI FX35 2004 Service Manual DTC P0132, P0152 HO2S1
EC-863
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Revision: 2004 November 2004 FX35/FX45
DTC P0132, P0152 HO2S1PFP:22690
Component DescriptionABS00C2N
The heated oxygen sensor 1 is plac

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INFINITI FX35 2004 Service Manual EC-864
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DTC P0132, P0152 HO2S1
Revision: 2004 November 2004 FX35/FX45
DTC Confirmation ProcedureABS00C2Q
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition

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INFINITI FX35 2004 Service Manual DTC P0132, P0152 HO2S1
EC-865
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Revision: 2004 November 2004 FX35/FX45
Wiring DiagramABS00C2R
BANK 1
TBWM0228E

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INFINITI FX35 2004 Service Manual EC-866
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DTC P0132, P0152 HO2S1
Revision: 2004 November 2004 FX35/FX45
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground

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INFINITI FX35 2004 Service Manual DTC P0132, P0152 HO2S1
EC-867
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Revision: 2004 November 2004 FX35/FX45
BANK 2
TBWM0229E

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