Nissan Quest E52. Instruction — part 483
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FUEL PRESSURE
8.
Check the following.
• Fuel hoses and fuel tubes for clogging
• Fuel filter for clogging
• Fuel pump
• Fuel pressure regulator for clogging
9.
If OK, replace fuel pressure regulator.
If NG, repair or replace malfunctioning part.
10. Before disconnecting Fuel Pressure Gauge kit [SST: — (J-44321)] and Fuel Pressure Adapter [SST: — (J-
44321-6)], release fuel pressure to zero.
HOW TO SET SRT CODE
EC-143
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HOW TO SET SRT CODE
Description
INFOID:0000000009651006
OUTLINE
In order to set all SRTs, the self-diagnoses as in the “SRT ITEM” table must have been performed at least
once. Each diagnosis may require actual driving for a long period of time under various conditions.
SRT ITEM
The table below shows required self-diagnostic items to set the SRT to “CMPLT”.
*1: Though displayed on the CONSULT screen, “HO2S HTR” is not SRT item.
*2: If completion of several SRTs is required, perform driving patterns (DTC confirmation procedure), one by
one based on the priority for models with CONSULT.
SRT SERVICE PROCEDURE
SRT item
*1
(CONSULT indication)
Performance
Priority
*2
Required self-diagnostic items to set the SRT to “CMPLT”
Corresponding
DTC No.
CATALYST
1
Three way catalyst function
P0420, P0430
EVAP SYSTEM
1
EVAP control system purge flow monitoring
P0441
EVAP control system
P0456
HO2S
1
Air fuel ratio (A/F) sensor 1
P014C,
P014D,P014E,
P014F
Heated oxygen sensor 2
P0137, P0157
Heated oxygen sensor 2
P0138, P0158
Heated oxygen sensor 2
P0139, P0159
EGR/VVT SYSTEM
2
Intake value timing control function
P0011, P0021
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HOW TO SET SRT CODE
If a vehicle has failed the state emissions inspection due to one or more SRT items indicating “INCMP”, review
the flowchart diagnostic sequence, referring to the following flowchart.
SRT Set Driving Pattern
INFOID:0000000009651007
CAUTION:
JSBIA0400GB
HOW TO SET SRT CODE
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Always drive the vehicle in safe manner according to traffic conditions and obey all traffic laws.
*1: Depress the accelerator pedal until vehicle speed is 90 km/h (56 MPH), then release the accelerator pedal
and keep it released for more than 10 seconds. Depress the accelerator pedal until vehicle speed is 90 km/h
(56 MPH) again.
*2: Checking the vehicle speed with GST is advised.
• The time required for each diagnosis varies with road surface conditions, weather, altitude, individual driving
habits, etc.
• “Zone A” is the fastest time where required for the diagnosis under normal conditions*. If the diagnosis is not
completed within “Zone A”, the diagnosis can still be performed within “Zone B”.
JPBIA5320GB
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