2008 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

Without CONSULT-III

NOTE:
  • It is better to count the time accurately with a clock.
  • It is impossible to switch the diagnostic mode when an accelerator pedal position sensor circuit has a malfunction.
  1. Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING ".
  2. Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
  3. Start engine and warm it up to normal operating temperature.
  4. Check that all items listed under the topic PREPARATION (previously mentioned) are in good order.
  5. Turn ignition switch OFF and wait at least 10 seconds.
  6. Confirm that accelerator pedal is fully released, turn ignition switch ON and wait 3 seconds.
  7. Repeat the following procedure quickly five times within 5 seconds.
    1. Fully depress the accelerator pedal.
    2. Fully release the accelerator pedal.
  8. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 20 seconds until the MIL stops blinking and turned ON.
  9. Fully release the accelerator pedal within 3 seconds after the MIL turned ON.
  10. Start engine and let it idle.
  11. Wait 20 seconds.
    Fig 1: Accelerator Pedal - Operation Diagram
    G04874824Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Rev up the engine two or three times and make sure that idle speed and ignition timing are within the specifications. Refer to "BASIC INSPECTION ".
    ITEM SPECIFICATION

    ITEM SPECIFICATION
    Idle speed M/T: 800 ± 50 RPM (in Neutral position)
    CVT: 650 ± 50 RPM (in P or N position)
    Ignition timing M/T: 10 ± 5° BTDC (in Neutral position)
    CVT: 10 ± 5° BTDC (in P or N position)
  13. If idle speed and ignition timing are not within the specification, Idle Air Volume Learning will not be carried out successfully. In this case, find the cause of the incident by referring to the DIAGNOSTIC PROCEDURE  below.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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