Nissan Quest E52. Manual - 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

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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”.

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