Page 1771 of 4731
EC-378
[VQ35DE]
DTC P0456 EVAP CONTROL SYSTEM
Revision: 2005 July 2005 FX
Diagnostic ProcedureABS006RS
1. CHECK FUEL FILLER CAP DESIGN
1. Turn ignition switch OFF.
2. Check for genuine NISSAN fuel filler cap design.
OK or NG
OK >> GO TO 2.
NG >> Replace with genuine NISSAN fuel filler cap.
2. CHECK FUEL FILLER CAP INSTALLATION
Check that the cap is tightened properly by rotating the cap clockwise.
OK or NG
OK >> GO TO 3.
NG >> 1. Open fuel filler cap, then clean cap and fuel filler neck threads using air blower.
2. Retighten until ratcheting sound is heard.
3. CHECK FUEL FILLER CAP FUNCTION
Check for air releasing sound while opening the fuel filler cap.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. CHECK FUEL TANK VACUUM RELIEF VALVE
Refer to EC-42, "
FUEL TANK VACUUM RELIEF VALVE (BUILT INTO FUEL FULLER CAP)" .
OK or NG
OK >> GO TO 5.
NG >> Replace fuel filler cap with a genuine one.
SEF915U
Page 1804 of 4731
![INFINITI FX35 2005 Service Manual DTC P1031, P1032, P1051, P1052 A/F SENSOR 1 HEATER EC-411
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2. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1. D](/manual-img/42/57020/w960_57020-1803.png "INFINITI FX35 2005 Service Manual DTC P1031, P1032, P1051, P1052 A/F SENSOR 1 HEATER EC-411
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2. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1. D")
DTC P1031, P1032, P1051, P1052 A/F SENSOR 1 HEATER EC-411
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2. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect air fuel ratio (A/F) sensor 1 harness connector.
2. Turn ignition switch ON.
3. Check voltage between air fuel ratio sensor 1 terminal 3 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E18, F48
Fuse block (J/B) connector E201
10A fuse
Harness for open or short between air fuel ratio sensor 1 and fuse
>> Repair or replace harness or connectors.
4. CHECK AIR FUEL RATIO (A/F) SENSOR 1 HEATER OUTPUT SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 2 (bank 1) or 24 (bank 2) and air fuel ratio (A/F) sensor 1 terminal 4.
Refer to Wiring Diagram.
4. Also check harness for short to ground or short to power.
OK or NG
OK >> GO TO 5.
NG >> Repair open circuit or short to ground or short to power in harness or connectors. Voltage: Battery voltage
PBIB2190E
PBIB1683E
Continuity should exist.
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](/manual-img/42/57020/w960_57020-1870.png "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 1887 of 4731
EC-494
[VQ35DE]
DTC P1271, P1281 A/F SENSOR 1
Revision: 2005 July 2005 FX
2. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect air fuel ratio (A/F) sensor 1 harness connector.
2. Turn ignition switch ON.
3. Check voltage between air fuel ratio (A/F) sensor 1 terminal 3 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E18, F48
Fuse block (J/B) connector E201
10A fuse
Harness for open or short between air fuel ratio (A/F) sensor 1 and fuse
>> Repair or replace harness or connectors.
Voltage: Battery voltage
PBIB2190E
PBIB1683E
Page 1896 of 4731
DTC P1272, P1282 A/F SENSOR 1 EC-503
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Revision: 2005 July 2005 FX
2. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect air fuel ratio (A/F) sensor 1 harness connector.
2. Turn ignition switch ON.
3. Check voltage between air fuel ratio (A/F) sensor 1 terminal 3 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E18, F48
Fuse block (J/B) connector E201
10A fuse
Harness for open or short between air fuel ratio (A/F) sensor 1 and fuse
>> Repair or replace harness or connectors.
Voltage: Battery voltage
PBIB2190E
PBIB1683E
Page 1906 of 4731
DTC P1273, P1283 A/F SENSOR 1 EC-513
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Revision: 2005 July 2005 FX
4. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect air fuel ratio (A/F) sensor 1 harness connector.
3. Turn ignition switch ON.
4. Check voltage between air fuel ratio (A/F) sensor 1 terminal 3 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E18, F48
Fuse block (J/B) connector E201
10A fuse
Harness for open or short between air fuel ratio (A/F) sensor 1 and fuse
>> Repair or replace harness or connectors.
Voltage: Battery voltage
PBIB2190E
PBIB1683E
Page 1916 of 4731
DTC P1274, P1284 A/F SENSOR 1 EC-523
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Revision: 2005 July 2005 FX
4. CHECK HARNESS CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect air fuel ratio (A/F) sensor 1 harness connector.
3. Check harness connector for water. Water should not exit.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness connector.
5. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between air fuel ratio (A/F) sensor 1 terminal 3 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E18, F48
Fuse block (J/B) connector E201
10A fuse
Harness for open or short between air fuel ratio (A/F) sensor 1 and fuse
>> Repair or replace harness or connectors.
PBIB2190E
Voltage: Battery voltage
PBIB1683E
Page 1926 of 4731
DTC P1276, P1286 A/F SENSOR 1 EC-533
[VQ35DE]
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Revision: 2005 July 2005 FX
2. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect air fuel ratio (A/F) sensor 1 harness connector.
2. Turn ignition switch ON.
3. Check voltage between air fuel ratio (A/F) sensor 1 terminal 3 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E18, F48
Fuse block (J/B) connector E201
10A fuse
Harness for open or short between air fuel ratio (A/F) sensor 1 and fuse
>> Repair or replace harness or connectors.
Voltage: Battery voltage
PBIB2190E
PBIB1683E
![INFINITI FX35 2005 Service Manual EC-378
[VQ35DE]
DTC P0456 EVAP CONTROL SYSTEM
Revision: 2005 July 2005 FX
Diagnostic ProcedureABS006RS
1. CHECK FUEL FILLER CAP DESIGN
1. Turn ignition switch OFF.
2. Check for genuine NISSAN fuel f](/manual-img/42/57020/w960_57020-1770.png "INFINITI FX35 2005 Service Manual EC-378
[VQ35DE]
DTC P0456 EVAP CONTROL SYSTEM
Revision: 2005 July 2005 FX
Diagnostic ProcedureABS006RS
1. CHECK FUEL FILLER CAP DESIGN
1. Turn ignition switch OFF.
2. Check for genuine NISSAN fuel f")
![INFINITI FX35 2005 Service Manual EC-494
[VQ35DE]
DTC P1271, P1281 A/F SENSOR 1
Revision: 2005 July 2005 FX
2. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect air fuel ratio (A/F) sensor 1 harness connector.
2](/manual-img/42/57020/w960_57020-1886.png "INFINITI FX35 2005 Service Manual EC-494
[VQ35DE]
DTC P1271, P1281 A/F SENSOR 1
Revision: 2005 July 2005 FX
2. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect air fuel ratio (A/F) sensor 1 harness connector.
2")
![INFINITI FX35 2005 Service Manual DTC P1272, P1282 A/F SENSOR 1 EC-503
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2. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect air fuel ra](/manual-img/42/57020/w960_57020-1895.png "INFINITI FX35 2005 Service Manual DTC P1272, P1282 A/F SENSOR 1 EC-503
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2. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect air fuel ra")
![INFINITI FX35 2005 Service Manual DTC P1273, P1283 A/F SENSOR 1 EC-513
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4. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1. Turn ignition switch O](/manual-img/42/57020/w960_57020-1905.png "INFINITI FX35 2005 Service Manual DTC P1273, P1283 A/F SENSOR 1 EC-513
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4. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1. Turn ignition switch O")
![INFINITI FX35 2005 Service Manual DTC P1274, P1284 A/F SENSOR 1 EC-523
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Revision: 2005 July 2005 FX
4. CHECK HARNESS CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect air fuel ratio](/manual-img/42/57020/w960_57020-1915.png "INFINITI FX35 2005 Service Manual DTC P1274, P1284 A/F SENSOR 1 EC-523
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Revision: 2005 July 2005 FX
4. CHECK HARNESS CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect air fuel ratio")
![INFINITI FX35 2005 Service Manual DTC P1276, P1286 A/F SENSOR 1 EC-533
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Revision: 2005 July 2005 FX
2. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect air fuel ra](/manual-img/42/57020/w960_57020-1925.png "INFINITI FX35 2005 Service Manual DTC P1276, P1286 A/F SENSOR 1 EC-533
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2. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect air fuel ra")