2001 Nissan Altima Owner's Manual - Page 249

2001 Nissan Altima Manual

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READINESS FOR INSPECTION/MAINTENANCE (I/M) TEST (US only) Due to legal requirements in some states and Canadian Provinces, your vehicle may be required to be in what is called the ''ready condition'' for an Inspection/Maintenance (I/M) test of the emission control system. The vehicle is set to the ''ready condition'' when it is driven through certain driving patterns. Usually, the ready condition can be obtained by ordinary usage of the vehicle. If a powertrain system component is repaired or the battery is disconnected, the vehicle may be reset to a ''not ready'' condition. Before taking the I/M test, drive the vehicle through the following pattern to set the vehicle to the ready condition. If you cannot or do not want to perform the driving pattern, a NISSAN dealer can conduct it for you. WARNING Always drive the vehicle in a safe and prudent manner according to traffic conditions and obey all traffic laws. 1. Start the engine when the engine coolant temperature gauge needle points to C. Allow the engine to idle until the gauge needle points between the C and H (normal operating temperature). 2. Accelerate the vehicle to 55 mph (88 km/h), then quickly release the accelerator pedal completely and keep it released for at least 6 seconds. 3. Quickly depress the accelerator pedal for a moment, then drive the vehicle at a speed of 53 to 60 mph (86 to 96 km/h) for at least 5 minutes. 4. Stop the vehicle. 5. Accelerate the vehicle to 35 mph (55 km/h) and maintain the speed for 20 seconds. 6. Repeat steps four through five at least three times. 7. Accelerate the vehicle to 55 mph (88 km/h) and maintain the speed for at least 3 minutes. 8. Stop the vehicle (shift lever in the ''P'' or ''N'' position). 9. Rev the engine up between 2,500 and 3,500 rpm and hold it for 3 consecutive minutes, then release the accelerator pedal completely. 10. Wait 5 seconds at idle. 11. Rev the engine up between 2,000 and 3,000 rpm and maintain it for 5 consecutive minutes. 12. Stop the vehicle and turn the engine off. 13. Repeat steps one through twelve at least one more time. If step one through seven is interrupted, repeat the preceding step. Any safe driving mode is acceptable between steps. Do not stop the engine until step seven is completed. 10-20 Technical and consumer information

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Due to legal requirements in some states
and Canadian Provinces, your vehicle may
be required to be in what is called the ‘‘ready
condition’’
for
an
Inspection/Maintenance
(I/M) test of the emission control system.
The vehicle is set to the ‘‘ready condition’’
when it is driven through certain driving
patterns. Usually, the ready condition can be
obtained by ordinary usage of the vehicle.
If a powertrain system component is repaired
or the battery is disconnected, the vehicle
may be reset to a ‘‘not ready’’ condition.
Before taking the I/M test, drive the vehicle
through the following pattern to set the ve-
hicle to the ready condition. If you cannot or
do not want to perform the driving pattern, a
NISSAN dealer can conduct it for you.
WARNING
Always drive the vehicle in a safe and
prudent
manner
according
to
traffic
conditions and obey all traffic laws.
1. Start the engine when the engine coolant
temperature gauge needle points to C.
Allow the engine to idle until the gauge
needle points between the C and H (nor-
mal operating temperature).
2. Accelerate the vehicle to 55 mph (88
km/h), then quickly release the accelera-
tor pedal completely and keep it released
for at least 6 seconds.
3. Quickly depress the accelerator pedal for
a moment, then drive the vehicle at a
speed of 53 to 60 mph (86 to 96 km/h) for
at least 5 minutes.
4. Stop the vehicle.
5. Accelerate the vehicle to 35 mph (55
km/h) and maintain the speed for 20
seconds.
6. Repeat steps four through five at least
three times.
7. Accelerate the vehicle to 55 mph (88
km/h) and maintain the speed for at least
3 minutes.
8. Stop the vehicle (shift lever in the ‘‘P’’ or
‘‘N’’ position).
9. Rev the engine up between 2,500 and
3,500 rpm and hold it for 3 consecutive
minutes,
then
release
the
accelerator
pedal completely.
10. Wait 5 seconds at idle.
11. Rev the engine up between 2,000 and
3,000 rpm and maintain it for 5 consecu-
tive minutes.
12. Stop the vehicle and turn the engine off.
13. Repeat
steps
one
through
twelve
at
least one more time.
If step one through seven is interrupted,
repeat the preceding step. Any safe driving
mode is acceptable between steps. Do not
stop the engine until step seven is com-
pleted.
READINESS FOR
INSPECTION/MAINTENANCE
(I/M) TEST (US only)
10-20
Technical and consumer information