2005 Nissan 350Z Owner's Manual - Page 266

READINESS FOR INSPECTION/ MAINTENANCE (I/M) TEST (US only) Due to legal requirements in some states/ areas, 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, check the vehicle's inspection/ maintenance test readiness condition. Turn the ignition switch ON without starting the engine. If the Malfunction Indicator Lamp (MIL) comes on steady for 20 seconds and then blinks for 10 seconds, the I/M test condition is "not ready". If the MIL does not blink after 20 seconds, the I/M test condition is "ready". If the MIL indicates the vehicle is in a "not ready" condition, 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. Allow the engine to idle until the engine coolant temperature 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 10 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 9 minutes. 4. Stop the vehicle. Leave the engine running. 5. Accelerate the vehicle to 35 MPH (55 km/h) and maintain the speed for 20 seconds. 6. Repeat steps 4 and 5 at least 10 times. 7. Accelerate the vehicle to 55 MPH (88 km/h) and maintain the speed for at least 3 minutes. 8. Stop the vehicle. Place the automatic trans- mission gear selector lever in the P (Park) or N (Neutral) position or the manual transmission shift lever in the N position. 9. Turn the engine off. 10. Repeat steps 1 through 8 at least one more time. If step 1 through 7 is interrupted, repeat the preceding step. Any safe driving mode is acceptable between steps. Do not stop the engine until step 7 is completed. Technical and consumer information 9-23