Infiniti QX56 (Z62). Manual — part 638
EC-530
< PERIODIC MAINTENANCE >
[VK56VD]
IDLE SPEED
PERIODIC MAINTENANCE
IDLE SPEED
Inspection
INFOID:0000000006218030
1.
CHECK IDLE SPEED
WITH CONSULT-III
Check idle speed in “DATA MONITOR” mode with CONSULT-III.
WITH GST
Check idle speed with Service $01 of GST.
>> INSPECTION END
IGNITION TIMING
EC-531
< PERIODIC MAINTENANCE >
[VK56VD]
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IGNITION TIMING
Inspection
INFOID:0000000006218031
1.
CHECK IGNITION TIMING
1.
Attach timing light to loop wire as shown.
2.
Check ignition timing.
>> INSPECTION END
1.
Loop wire
A.
Timing light
B.
Timing indicator
JSBIA0492ZZ
EC-532
< PERIODIC MAINTENANCE >
[VK56VD]
EVAP LEAK CHECK
EVAP LEAK CHECK
Inspection
INFOID:0000000006267340
CAUTION:
• Do not use compressed air or a high pressure pump.
• Do not exceed 4.12 kPa (0.042 kg/cm
2
, 0.6 psi) of pressure in EVAP system.
NOTE:
• Do not start engine.
• Improper installation of EVAP service port adapter (commercial service tool) to the EVAP service port may
cause a leak.
WITH CONSULT-III
1.
To locate the EVAP leak, install EVAP service port adapter (com-
mercial service tool) and pressure pump to EVAP service port.
2.
Turn ignition switch ON.
3.
Select the “EVAP SYSTEM CLOSE” of “WORK SUPPORT”
mode with CONSULT-III.
4.
Touch “START”. A bar graph (Pressure indicating display) will
appear on the screen.
5.
Apply positive pressure to the EVAP system until the pressure
indicator reaches the middle of the bar graph.
6.
Remove EVAP service port adapter (commercial service tool)
and hose with pressure pump.
7.
Locate the leak using a leak detector (commercial service tool).
Refer to
EC-45, "EVAPORATIVE EMISSION SYSTEM : System
WITHOUT CONSULT-III
1.
To locate the EVAP leak, install EVAP service port adapter (com-
mercial service tool) and pressure pump to EVAP service port.
2.
Apply battery voltage between the terminals of EVAP canister
vent control valve to make a closed EVAP system.
3.
To locate the leak, deliver positive pressure to the EVAP system
until pressure gauge points reach 1.38 to 2.76 kPa (0.014 to
0.028 kg/cm
2
, 0.2 to 0.4 psi).
4.
Remove EVAP service port adapter (commercial service tool)
and hose with pressure pump.
SEF462UA
SEF200U
SEF462UA
EVAP LEAK CHECK
EC-533
< PERIODIC MAINTENANCE >
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5.
Locate the leak using a leak detector (commercial service tool).
Refer to
EC-45, "EVAPORATIVE EMISSION SYSTEM : System
SEF200U
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