Question about 2000 Nissan Sentra

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Nissan sentra 4cyld - 2000 Nissan Sentra

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  • Nissan Master
  • 8,128 Answers

Hi, you have provided trouble codes p0100 AND p1605.


Trouble Code: P0100


Mass Airflow Sensor Circuit Malfunction
Possible Causes:



Air Intake leaks located after the MAF sensor assembly MAF sensor signal circuit is open, shorted to ground or power MAF sensor has failed PCM has failed


Trouble Code: P1605

A/T Diagnosis Communication Line Malfunction

Possible Causes:


TCM communication line circuit is open or shorted to ground TCM communication line circuit shorted to VREF or power (B+) TCM or PCM has failed TSB 01-004 (01/01) contains information related to this code
For the P0100, check the connector on top of the MAF sesnor for looseness or corrosion. Connector is on top in piocture below. nissan sentra 4cyld - jturcotte_361.jpg

Posted on Mar 25, 2011

  • 4 more comments 
  • Jeff Turcotte
    Jeff Turcotte Mar 25, 2011

    For P1605, the following TSB may apply:


    Vehicle: 2000 Nissan Sentra




    Nature of Defect:
    ELECTRICAL SYSTEM

    Bulletin Number:
    NTB00080

    Bulletin Date:
    Oct 2000




    Summary:
    SOME CUSTOMERS MAY COMMENT THAT THE VEHICLE LACKS POWER AND THAT THE TRANSMISSION REMAINS IN THIRD GEAR AT ALL TIMES DUE TO LOW BATTERY VOLTAGE. ( NHTSA ITEM NUMBER - 618805 )






    To determine cause, first check voltage at battery with engine running or remove alternator and have tested. If voltage is less than 13.5 or alternator fails test, replace alternator.

    If alternator voltage passes or ia above 13 volts, check wiring as follows.

  • Jeff Turcotte
    Jeff Turcotte Mar 25, 2011

    sorry, alternator voltage should be above 13.5.

  • Jeff Turcotte
    Jeff Turcotte Mar 25, 2011

    Here is the diagram showing the PCM connection to the transmission wires. These are the wires to check if the alternator is OK.


  • Jeff Turcotte
    Jeff Turcotte Mar 25, 2011

    here is a close-up of the diagram/wires.


  • Jeff Turcotte
    Jeff Turcotte Mar 25, 2011

    Also, please check fuse 11.






    below are the tests to check the TCM:








    If power is not getting to the TCM, trace the wiring back to the fuse box--the brown wire with a red stripe.

  • Jeff Turcotte
    Jeff Turcotte Mar 25, 2011

    here is procedure to remove the alternator:



    Removal & Installation




    1.6L, 1.8L & 2.0L Engines



    1. Before servicing the vehicle, refer to the Precautions section.

    2. Remove or disconnect the following:



      Negative battery cable

      2 lead wires and connector from the alternator

      Drive belt adjusting bolt, loosen only

      Drive belt

      Alternator



    Removal & Installation



    1.6L, 1.8L & 2.0L Engines
    1. Before servicing the vehicle, refer to the Precautions section.
    2. Remove or disconnect the following:

      Negative battery cable
      2 lead wires and connector from the alternator
      Drive belt adjusting bolt, loosen only
      Drive belt
      Alternator


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Mi carro es un nissan ex 2000 pero el scaner me da un codigo que es el P0100

Posted on Apr 10, 2011

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