DTC Confirmation Procedure

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.

   : GO TO 2.

1. Turn ignition switch ON and wait at least 5 seconds.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and let it idle for at least 1 minute.
4. Repeat next procedures 3 times.
   • Increase the engine speed up to between 3, 000 and 3, 500 rpm and maintain that speed for 2 minutes and 50 seconds to 3 minutes.

     Do not exceed 3 minutes. 

   • Fully released accelerator pedal and keep engine idle for approximately 5 seconds.
5. Repeat next procedure 20 times.
   • Quickly increase the engine speed up to between 4, 000 and 4, 500 rpm and maintain that speed for 25 to 30 seconds.
   • Fully released accelerator pedal and keep engine idle for at least 35 seconds.
     Fig 1: Vehicle Engine Speed Timing Pattern

     Courtesy of NISSAN NORTH AMERICA, INC.
6. Check 1st trip DTC.

   Is 1st trip DTC detected? 

   YES: Proceed to "DIAGNOSIS PROCEDURE ".

   NO: INSPECTION END