NHTSA ID Number: 10192192
Manufacturer Communication Number: NTB98018G
TSB/Document Date: 2021-05-10
Summary
As part of an enhanced emissions test for Inspection & Maintenance (I/M), some States may require the System Readiness Test (SRT) status be checked. - The SRT is used to indicate whether the engine control module (ECM) has completed self diagnosis of major emissions systems and components. - In these instances the State may require completion of the SRT before permitting the emissions inspection to proceed. Refer to this Bulletin for further details.
5*
CATALYST
A/C switch: ON
ENG. RPM: 1,800 - 2,100
Selector lever: "D" (OD ON)
B/F SCHDL:
More than 1.8 msec
Steady state cruise at
53 - 58 MPH
Use ASCD or hold accelerator
to keep road speed as steady
as possible.
Drive 3 minutes
6*
7*
Idle
1 minute
Downshift then completely
release accelerator more
than 5 seconds without
braking, then idle 1minute.
Selector lever:
"D" (OD OFF)
Downshift
then decel.
O2 SENSOR
Dark shading behind section number indicates this drive pattern section must be repeated, without turning the ignition off, if it is interrupted by releasing
the accelerator when not directed to do so.
If fuel level is greater than 1/2 more time may be required to complete EVAP sections of the drive pattern. Also you may be unable to add fuel as required.
NOTE: It is better to perform this driving test when fuel level is less than 1/2.
Engine coolant
temperature
must be below
70˚C (158˚F)
before starting
engine for either
the first or
second trip.
Pre-check
Two Trip Logic
First Trip: Drive all sections 1 through 9.
Second Trip: Turn ign. off. Add 4 gallons fuel. Start engine and drive sections 4, 5, 6, 7, 8, 9.
ECM Part Numbers: 23710-54U10, -54U11, -54U12, -54U13, -54U14, -54U15, -54U16, -56U70, -56U71, -56U72, -56U73, -56U74, -56U76
System Readiness Test Drive Pattern #12
Idle
1 minute
Hold the accelerator
pedal as steady as
possible. Allow road
speed to change
if necessary.
ASCD
A/C switch: OFF
Selector lever:
"D" (OD OFF)
Steady state cruise at
31 - 44 MPH
Drive 2 minutes
9*
2nd trip:
End.
1st trip:
key off
then
repeat
4 - 9.
'96 Maxima A/T
Do not completely
release accelerator.
ASCD
A/C switch: OFF
Accelerate to 41 MPH
Decelerate to 34 MPH
Accelerate to 41 MPH
B/F SCHDL:
Less than 2.0 msec
Selector lever: "2"
ENG RPM:
Approx..3,000 RPM
Drive 2 minutes
8*
EVAP SYSTEM
Pattern #12; ‘96 Maxima A/T
NTB98-018g
25/58
Start engine,
idle at least
1.5 minutes.
Drive 3 minutes
Idle
1.5 minutes
ASCD
A/C switch: ON
ENG. RPM:
1,000 - 1,400
Selector lever: "5th"
B/F SCHDL: 1.8 - 3.0 msec
Hold recommended
B/F SCHDL: range.
Allow road speed to vary
as necessary.
2
1
O2 Sensor
Heater
ENG. RPM:
1,800 - 2,400
Selector lever:
"5th"
B/F SCHDL:
2.3 - 3.7 msec
Drive at:
50 - 65 MPH
Drive 1.5 minutes
3
*
1st Trip:
IGN switch "OFF"
10 seconds
(Not more than
5 minutes)
4
KEY
"OFF"
2nd Trip:
Turn ign.. off,
Add 4 gallons of fuel.
Do not decelerate for more
than 3 consecutive seconds.
Keep engine speed above
3,000 RPM. Allow road speed to
vary if necessary
Selector lever: "4th"
Cruise at 50 - 60 MPH
Drive 3 minutes
5
CATALYST
A/C switch: ON
ENG. RPM: 2,100 - 2,300
Selector lever: "5th"
B/F SCHDL:
More than 1.5 msec
Steady state cruise at
53 - 58 MPH
Use ASCD or hold accelerator
to keep road speed as steady
as possible.
Drive 3 minutes
6
Idle
1 minute
Downshift, then completely
release accelerator more
than 5 seconds without
braking, then idle 1 minute.
Selector lever:
"4th"
Downshift
then decel.
O2 SENSOR
Dark shading behind section number indicates this drive pattern section must be repeated, without turning the ignition off, if it is interrupted by releasing
the accelerator when not directed to do so.
If fuel level is greater than 1/2 more time may be required to complete EVAP sections of the drive pattern. Also you may be unable to add fuel as required.
NOTE: It is better to perform this driving test when fuel level is less than 1/2.
Engine coolant
temperature
must be below
70˚C (158˚F)
before starting
engine for either
the first or
second trip.
Pre-check
All Items: Two Trip Logic. Drive all sections two times.
First Trip: Drive all sections 1 through 8 then turn ign. off and allow engine to cool below 70˚C. (158˚F).
Second Trip: Start engine, drive sections 1,2,3. Turn ign. off and add 4 gallons of fuel in section 4, then start engine and drive sections 5, 6, 7, 8.
ECM Part Numbers: 23710-0L700, -0L701, -0L702, -0L707, -0L708, -0L709, -0L760, -0L761, -0L762, -0L767, -0L768, -0L769
System Readiness Test Drive Pattern #13
Hold the accelerator
pedal as steady as
possible. Allow speed
to change if necessary.
ASCD
2nd trip:
End.
1st trip:
key off
then
repeat
1 - 8.
'97 Maxima M/T
ASCD
A/C switch: OFF
Do not completely
release accelerator.
A/C switch: OFF
Accelerate to 47 MPH
Decelerate to 41 MPH
Accelerate to 47 MPH
Steady state cruise at
31 - 44 MPH
Drive 2 minutes
Selector lever:
"4th"
Idle
1 minute
8*
B/F SCHDL:
Less than 2.0 msec
Selector lever: "3rd"
ENG RPM:
Approx.
3,000 RPM
Drive 2 minutes
7*
EVAP SYSTEM
Pattern #13; ‘97 Maxima M/T
NTB98-018g
26/58
Start engine,
idle at least
1.5 minutes.
Drive 3 minutes
Idle
1.5 minutes
ASCD
A/C switch: ON
ENG. RPM:
1,400 - 1,600
Selector lever: "D" (OD ON)
B/F SCHDL: 2.5 - 2.7 msec
Hold recommended B/F
SCHDL: range. Allow road
speed to vary as necessary.
2
1
O2 Sensor
Heater
ENG. RPM:
1,600 - 2,200
Selector lever:
"D" (OD ON)
B/F SCHDL:
2.5 - 4.0 msec
Drive at:
50 - 65 MPH
Drive 1.5 minutes
3
*
1st Trip:
IGN switch "OFF"
10 seconds
(Not more than
5 minutes)
4
KEY
"OFF"
2nd Trip:
Turn ign.. off,
Add 4 gallons of fuel.
Do not decelerate for more
than 3 consecutive seconds.
Keep engine speed above
3,000 RPM. Allow road speed to
vary if necessary.
Selector lever:
"D" (OD OFF)
Cruise at 50 - 60 MPH
Drive 3 minutes
5
CATALYST
A/C switch: ON
ENG. RPM: 1,800 - 2,100
Selector lever: "D" (OD ON)
B/F SCHDL:
More than 1.8 msec
Steady state cruise at
53 - 58 MPH
Use ASCD or hold accelerator
to keep road speed as steady
as possible.
Drive 3 minutes
6
Dark shading behind section number indicates this drive pattern section must be repeated, without turning the ignition off, if it is interrupted by releasing
the accelerator when not directed to do so.
Idle
1 minute
Downshift, then completely
release accelerator more
than 5 seconds without
braking, then idle 1 minute.
Selector lever:
"D" (OD OFF)
Downshift
then decel.
O2 SENSOR
If fuel level is greater than 1/2 more time may be required to complete EVAP sections of the drive pattern. Also you may be unable to add fuel as required.
NOTE: It is better to perform this driving test when fuel level is less than 1/2.
Engine coolant
temperature
must be below
70˚C (158˚F)
before starting
engine for either
the first or
second trip.
Pre-check
ECM Part Numbers: 23710-0L710, -0L711, -0L712, -0L717, -0L718, -0L719, -0L770, -0L771, -0L772, -0L777, -0L778, -0L779
All Items: Two Trip Logic. Drive all sections two times.
First Trip: Drive all sections 1 through 8 then turn ign. off and allow engine to cool below 70˚C. (158˚F).
Second Trip: Start engine, drive sections 1,2,3. Turn ign. off and add 4 gallons of fuel in section 4, then start engine and drive sections 5, 6, 7, 8.
System Readiness Test Drive Pattern #14
Idle
1 minute
Hold the accelerator
pedal as steady as
possible. Allow speed
to change if necessary.
ASCD
A/C switch: OFF
Selector lever:
"D" (OD OFF)
Steady state cruise at
31 - 44 MPH
Drive 2 minutes
8*
2nd trip:
End.
1st trip:
key off
then
repeat
1 - 8.
'97 Maxima A/T
ASCD
A/C switch: OFF
Do not completely
release accelerator.
Accelerate to 41 MPH
Decelerate to 34 MPH
Accelerate to 41 MPH
B/F SCHDL:
Less than 2.0 msec
Selector lever: "2"
ENG RPM:
Approx.
3,000 RPM
Drive 2 minutes
7*
EVAP SYSTEM
Pattern #14; ‘97 Maxima A/T
NTB98-018g
Drive 3 minutes
Idle 1.5 minutes
27/58
*
B/F SCHDL: 2.5 - 3.0 msec
32˚C (95˚F)
before starting
engine.
ENG. RPM:
1,800 - 2,600
B/F SCHDL:
2.5 - 4.5 msec
Selector lever: "4th"
Do not decelerate for more than
3 consecutive seconds.
A/C switch: ON
ENG. RPM: 2,300 - 2,500
B/F SCHDL: More than 2.3 msec
Selector lever: "5th"
Use ASCD or hold accelerator to keep
road speed as steady as possible.
Steady state cruise at: 53 - 58 MPH
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TSB/Document ID: NTB98018G
Replacement Service Bulletin Number:
MFR Communication Date: 2013-06-07
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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