Nissan Note E12. Manual — part 197
HOW TO SET SRT CODE
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Zone A refers to the range where the time, required for the diagnosis under normal conditions*, is the short-
est.
Zone B refers to the range where the diagnosis can still be performed if the diagnosis is not completed within
zone A.
*: Normal conditions refer to the following:
• Sea level
• Flat road
• Ambient air temperature: 20 - 30
°C (68 - 86°F)
• Diagnosis is performed as quickly as possible under normal conditions.
Under different conditions [For example: ambient air temperature other than 20 - 30
°C (68 - 86°F)], diagno-
sis may also be performed.
Work Procedure
INFOID:0000000009022494
1.
CHECK DTC
Check DTC.
Is any DTC detected?
YES
>> Repair malfunction(s) and erase DTC. Refer to
NO
>> GO TO 2.
2.
CHECK SRT STATUS
With CONSULT
Select “SRT STATUS” in “DTC & SRT CONFIRMATION” mode of “ENGINE” using CONSULT.
Without CONSULT
Perform “SRT status” mode with
EC-49, "On Board Diagnosis Function"
With GST
Select Service $01 with GST.
Is SRT code(s) set?
YES
>> END
NO-1 >> With CONSULT: GO TO 3.
NO-2 >> Without CONSULT: GO TO 4.
3.
DTC CONFIRMATION PROCEDURE
1. Select “SRT WORK SUPPORT” in “DTC & SRT CONFIRMATION” mode of “ENGINE” using CONSULT.
2. For SRT(s) that is not set, perform the corresponding “DTC CONFIRMATION PROCEDURE” according to
the “Performance Priority” in the “SRT ITEM” table. Refer to
EC-48, "DIAGNOSIS DESCRIPTION : Sys-
tem Readiness Test (SRT) Code"
.
3. Check DTC.
Is any DTC detected?
YES
>> Repair malfunction(s) and erase DTC. Refer to
NO
>> GO TO 7.
4.
PERFORM ROAD TEST
• Check the “Performance Priority” in the “SRT ITEM” table. Refer to
EC-48, "DIAGNOSIS DESCRIPTION :
System Readiness Test (SRT) Code"
.
• Perform the most efficient SRT set driving pattern to set the SRT properly. Refer to
.
In order to set all SRTs, the SRT set driving pattern must be performed at least once.
>> GO TO 5.
5.
PATTERN 1
1. Check the vehicle condition;
-
Engine coolant temperature is
−10 to 35°C (14 to 95°F).
-
Fuel tank temperature is more than 0
°C (32°F).
2. Start the engine.
3. Keep engine idling until the engine coolant temperature is greater than 70
°C (158°F)
NOTE:
EC-128
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HOW TO SET SRT CODE
ECM terminal voltage is follows;
• Engine coolant temperature
-
−10 to 35°C (14 to 95°F): 3.0 - 4.3 V
- 70
°(158°F): Less than 1.4 V
• Fuel tank temperature: Less than 4.1 V
>> GO TO 6.
6.
PATTERN 2
1. Drive the vehicle. And 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.
2. Depress the accelerator pedal until vehicle speed is 90 km/h (56 MPH) again
NOTE:
• Checking the vehicle speed with GST is advised.
• When steady-state driving is performed again even after it is interrupted, each diagnosis can be conducted.
In this case, the time required for diagnosis may be extended.
>> GO TO 7.
7.
CHECK SRT STATUS
With CONSULT
Select “SRT STATUS” in “DTC & SRT CONFIRMATION” mode of “ENGINE” using CONSULT.
Without CONSULT
Perform “SRT status” mode with
EC-49, "On Board Diagnosis Function"
With GST
Select Service $01 with GST.
Is SRT(s) set?
YES
>> END
NO
>> Call TECH LINE or take appropriate action.
TROUBLE DIAGNOSIS - SPECIFICATION VALUE
EC-129
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DTC/CIRCUIT DIAGNOSIS
TROUBLE DIAGNOSIS - SPECIFICATION VALUE
Description
INFOID:0000000009022495
The specification (SP) value indicates the tolerance of the value that is displayed in “SPEC” of “DATA MONI-
TOR” mode of CONSULT during normal operation of the Engine Control System. When the value in “SPEC” of
“DATA MONITOR” mode is within the SP value, the Engine Control System is confirmed OK. When the value
in “SPEC” of “DATA MONITOR” mode is NOT within the SP value, the Engine Control System may have one
or more malfunctions.
The SP value is used to detect malfunctions that may affect the Engine Control System, but will not light the
MIL.
The SP value will be displayed for the following three items:
• B/FUEL SCHDL (The fuel injection pulse width programmed into ECM prior to any learned on board correc-
tion)
• A/F ALPHA-B1 (The mean value of air-fuel ratio feedback correction factor per cycle)
• MAS A/F SE-B1 (The signal voltage of the mass air flow sensor)
Component Function Check
INFOID:0000000009022496
1.
START
Make sure that all of the following conditions are satisfied.
• Vehicle driven distance: More than 5,000 km (3,107 miles)
• Barometric pressure: 98.3 - 104.3 kPa (0.983 - 1.043 bar, 1.003 - 1.064 kg/cm
2
, 14.25 - 15.12 psi)
• Atmospheric temperature: 20 - 30
°C (68 - 86°F)
• Engine coolant temperature: 75 - 95
°C (167 - 203°F)
• Transmission: Warmed-up
- CVT models: After the engine is warmed up to normal operating temperature, drive vehicle until “FLUID
TEMP SE” (CVT fluid temperature sensor signal) indicates more than 60
°C (140°F).
- M/T models: After the engine is warmed up to normal operating temperature, drive vehicle for 5 minutes.
• Electrical load: Not applied
- Rear window defogger switch, air conditioner switch, lighting switch are OFF. Steering wheel is straight
ahead.
• Engine speed: Idle
>> GO TO 2.
2.
PERFORM “SPEC” OF “DATA MONITOR” MODE
With CONSULT
NOTE:
Perform “SPEC” in “DATA MONITOR” mode in maximum scale display.
1. Perform
.
2. Select “B/FUEL SCHDL”, “A/F ALPHA-B1” and “MAS A/F SE-B1” in “SPEC” of “DATA MONITOR” mode
with CONSULT.
3. Make sure that monitor items are within the SP value.
Is the inspection result normal?
YES
>> END
NO
>> Go to
EC-130
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TROUBLE DIAGNOSIS - SPECIFICATION VALUE
Diagnosis Procedure
INFOID:0000000009022497
OVERALL SEQUENCE
PBIB2318E
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