2002 Nissan-Datsun Sentra SE-R, AutomaticFACTORY OEM SERVICE PROCEDURE

Trouble Diagnoses With Battery/Starting/Charging System Tester: Notes

NOTE: To ensure a complete and thorough diagnosis, the battery, starter and generator test segments must be done as a set from start to finish.
  1. Turn off all loads on the vehicle electrical system.
  2. Perform battery and starting system test with Battery/Starting/Charging system tester.
  3. Press "ENTER" to begin the charging system test.
    Fig 1: Tester Display - Charging System
    G02054665Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Start engine.
  5. Press "ENTER" until "LOADS OFF REV ENGINE 5 SEC" is displayed.
    Fig 2: Tester Display - Rev Engine 5 Seconds
    G02054666Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Raise and hold the engine speed at 1,500 to 2,000 rpm for about 5 seconds, then return the engine to idle.

    Once the increase in engine rpm is detected, press "ENTER" to continue.

    NOTE:
    • If after 30 seconds an increase in engine idle speed is not detected, "RPM NOT DETECTED" will display.
    • Some engines may have a higher idle initially after starting, particularly when the engine is cold. The tester may detect this without any other action being taken. If this occurs, continue on with the testing process. The final results will not be affected.
  7. The tester now checks the engine at idle and performs the DIODE/RIPPLE check.
    Fig 3: Tester Display - Engine At Idle & Diode/Ripple
    G02054667Courtesy of NISSAN MOTOR CO., U.S.A.
  8. When complete, the tester will prompt you to turn on the following electrical loads.
    • Heater fan set to highest speed. Do not run the A/C or windshield defroster.
    • Headlamp high beam
    • Rear window defogger
      NOTE: Do not run the windshield wipers or any other cyclical loads.
  9. Press "ENTER" to continue.
    Fig 4: Tester Display - Enter To Cont...
    G02054668Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Raise and hold the engine speed at 1,500 to 2,000 rpm for about 5 seconds, then return the engine to idle. Once the increase in engine rpm is detected, press "ENTER" to continue.
    NOTE: If after 30 seconds an increase in engine idle speed is not detected, "RPM NOT DETECTED" will be displayed. Press "ENTER" to restart the test.
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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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