2004 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2004  Factory Service Manual EC-274Revision: August 2007
DTC P0441 EVAP CONTROL SYSTEM
2004 QX56
4. CHECK EVAP PURGE LINE
1. Turn ignition switch OFF.
2. Check EVAP purge line for improper connection or disconnection.
Refer to EC

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INFINITI QX56 2004  Factory Service Manual DTC P0441 EVAP CONTROL SYSTEM
EC-275
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8. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR CONNECTOR
1. Disconnect EVAP control system pressure sensor h

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INFINITI QX56 2004  Factory Service Manual EC-276Revision: August 2007
DTC P0442 EVAP CONTROL SYSTEM
2004 QX56
DTC P0442 EVAP CONTROL SYSTEMPFP:14950
On Board Diagnosis LogicUBS00H4O
This diagnosis detects leaks in the EVAP purge line using en

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INFINITI QX56 2004  Factory Service Manual DTC P0442 EVAP CONTROL SYSTEM
EC-277
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Revision: August 20072004 QX56
CAUTION:
Use only a genuine NISSAN fuel filler cap as a replacement. If an incorrect fuel filler cap is u

Page 1469 of 3371

INFINITI QX56 2004  Factory Service Manual EC-278Revision: August 2007
DTC P0442 EVAP CONTROL SYSTEM
2004 QX56
3. Stop vehicle.
4. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
5. Select MODE 7 with GST.
–If P0442 is d

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INFINITI QX56 2004  Factory Service Manual DTC P0442 EVAP CONTROL SYSTEM
EC-279
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5. INSTALL THE PRESSURE PUMP
To locate the EVAP leak, install EVAP service port adapter and pres-
sure pum

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INFINITI QX56 2004  Factory Service Manual EC-280Revision: August 2007
DTC P0442 EVAP CONTROL SYSTEM
2004 QX56
6. CHECK FOR EVAP LEAK
 With CONSULT-II
1. Turn ignition switch ON.
2. Select “EVAP SYSTEM CLOSE” of “WORK SUPPORT” mode wit

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INFINITI QX56 2004  Factory Service Manual DTC P0442 EVAP CONTROL SYSTEM
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7. CHECK FOR EVAP LEAK
 Without CONSULT-II
1. Turn ignition switch OFF.
2. Apply 12 volts DC to EVAP canis