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: Engine Speed Versus Time Graph

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

   Is 1st trip DTC detected? 

   YES: Proceed to "DIAGNOSIS PROCEDURE ".

   NO: INSPECTION END