2005 INFINITI FX35 Service Manual

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Page 1713 of 4731

INFINITI FX35 2005 Service Manual EC-320
[VQ35DE]
DTC P0420, P0430 THREE WAY CATALYST FUNCTION
Revision: 2005 July 2005 FX
7. CHECK FUNCTION OF IGNITION COIL-II
1. Turn ignition switch OFF.
2. Disconnect spark plug and connect a kno

Page 1714 of 4731

INFINITI FX35 2005 Service Manual DTC P0420, P0430 THREE WAY CATALYST FUNCTION EC-321
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Revision: 2005 July 2005 FX
11 . CHECK INTERMITTENT INCIDENT
Refer to EC-163, "
TROUBLE DIAGNOS

Page 1715 of 4731

INFINITI FX35 2005 Service Manual EC-322
[VQ35DE]
DTC P0441 EVAP CONTROL SYSTEM
Revision: 2005 July 2005 FX
DTC P0441 EVAP CONTROL SYSTEMPFP:14950
System DescriptionABS006QL
NOTE:
If DTC P0441 is displayed with other DTC such as P212

Page 1716 of 4731

INFINITI FX35 2005 Service Manual DTC P0441 EVAP CONTROL SYSTEM EC-323
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Revision: 2005 July 2005 FX
Always perform test at a temperature of 5°C (41 °F) or more.
WITH CONSULT-II
1. Sta

DTC P0441 EVAP CONTROL SYSTEM EC-323
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Revision: 2005 July 2005 FX
Always perform test at a temperature of 5°C (41 °F) or more.
WITH CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and let it idle for at least 70 seconds.
4. Select “PURG FLOW P0441” of “EVAPORATIVE SYSTEM” in “DTC CONFIRMATION” mode with CON- SULT-II.
5. Touch “START”. If “COMPLETED” is displayed, go to step 7.
6. When the following conditions are met, “TESTING” will be displayed on the CONSULT-II screen. Maintain the conditions continuously until “TESTING” changes to “COMPLETED”. (It will take at least 35 seconds.)
If “TESTING” is not changed for a long time, retry from step 2.
7. Make sure that “OK” is displayed after touching “SELF-DIAG RESULTS”. If “NG” is displayed, refer to EC-
324, "Diagnostic Procedure" .
Overall Function CheckABS006QO
Use this procedure to check the overall monitoring function of the EVAP control system purge flow monitoring.
During this check, a 1st trip DTC might not be confirmed.
WITH GST
1. Lift up drive wheels.
2. Start engine (TCS switch or VDC switch OFF) and warm it up to normal operating temperature.
3. Turn ignition switch OFF, wait at least 10 seconds.
4. Start engine and wait at least 70 seconds.
5. Set voltmeter probes to ECM terminals 32 (EVAP control system pressure sensor signal) and ground.
6. Check EVAP control system pressure sensor value at idle speed and note it.
7. Establish and maintain the following conditions for at least 1 minute.
Selector lever Suitable position
VHCL SPEED SE 32 - 120 km/h (20 - 75 MPH)
ENG SPEED 500 - 3,000 rpm
B/FUEL SCHDL 1.3 - 9.0 msec
COOLAN TEMP/S 70 - 100 °C (158 - 212 °F)
PBIB0826E
Air conditioner switch ON
Headlamp switch ON
Rear window defogger switch ON
Engine speed Approx. 3,000 rpm
Gear position Any position other than P, N or R
PBIB1109E

Page 1717 of 4731

INFINITI FX35 2005 Service Manual EC-324
[VQ35DE]
DTC P0441 EVAP CONTROL SYSTEM
Revision: 2005 July 2005 FX
8. Verify that EVAP control system pressure sensor value stays 0.1V less than the value at idle speed (mea-
sured at step 6)

Page 1718 of 4731

INFINITI FX35 2005 Service Manual DTC P0441 EVAP CONTROL SYSTEM EC-325
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Revision: 2005 July 2005 FX
4. CHECK EVAP PURGE LINE
1. Turn ignition switch OFF.
2. Check EVAP purge line for i

Page 1719 of 4731

INFINITI FX35 2005 Service Manual EC-326
[VQ35DE]
DTC P0441 EVAP CONTROL SYSTEM
Revision: 2005 July 2005 FX
8. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR CONNECTOR
1. Disconnect EVAP control system pressure sensor harness connector.

Page 1720 of 4731

INFINITI FX35 2005 Service Manual DTC P0442 EVAP CONTROL SYSTEM EC-327
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Revision: 2005 July 2005 FX
DTC P0442 EVAP CONTROL SYSTEMPFP:14950
On Board Diagnosis LogicABS006QQ
This diagnosis

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