Nissan Altima 2007-2012 Service Manual: P1715 input speed sensor (primary speed sensor)
Description
ECM receives primary speed sensor signal from TCM through CAN communication line. ECM uses this signal for engine control.
DTC Logic
DTC DETECTION LOGIC NOTE: • If DTC P1715 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC U1000,XXXX.
• If DTC P1715 is displayed with DTC P0335, first perform the trouble diagnosis for DTC P0335. Refer to EC-783, "DTC Logic".
• If DTC P1715 is displayed with DTC P0340, first perform the trouble diagnosis for DTC P0340. Refer to EC-787, "DTC Logic".
• If DTC P1715 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer to EC-864, "DTC Logic".
• If DTC P1715 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer to EC-866, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and drive the vehicle at more than 50 km/h (31 MPH) for at least 5 seconds.
CAUTION: Always drive vehicle at a safe speed.
2. Check 1st trip DTC.
Is 1st trip DTC detected? YES >> Go to EC-909, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK DTC WITH TCM
Check DTC with TCM. Refer to TM-296, "Diagnosis Description".
Is the inspection result normal? YES >> GO TO 2.
NO >> Perform trouble shooting relevant to DTC indicated.
2.REPLACE TCM
Replace TCM.
>> INSPECTION END
P1574 ASCD Vehicle speed sensor
Description
The ECM receives two vehicle speed signals via CAN communication line. One is
sent from combination
meter, and the other is from TCM (Transmission control module). The ECM uses
these ...
P1805 brake switch
Description
Brake switch signal is applied to the ECM through the stop lamp switch when
the brake pedal is depressed.
This signal is used mainly to decrease the engine speed when the vehicle is ...
Other materials:
Nissan vehicle immobilizer systemnats symptoms
Symptom Table
Security indicator does not turn ON or flash.
CAUTION:
• Follow Trouble Diagnosis Flowchart referring to “SEC-209, "Work Flow"”.
Determine malfunctioning
condition before performing this diagnosis.
• Check that vehicle is under the condition shown in “Con ...
P0116 ect sensor
Description
The engine coolant temperature sensor is used to detect the engine
coolant temperature. The sensor modifies a voltage signal from the
ECM. The modified signal returns to the ECM as the engine coolant
temperature input. The sensor uses a thermistor which is sensitive to
the change i ...
Corrosion protection
Description
To provide improved corrosion prevention, the following anti-corrosive
measures have been implemented in
NISSAN production plants. When repairing or replacing body panels, it is
necessary to use the same anti-corrosive
measures.
Anti-Corrosive Precoated Steel (Galvannealed Steel) ...