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:
Making a call
To make a call, follow the procedure below:
1. Press the button on
the control panel.
The “Phone” screen will appear on the display.
2. Select one of the following options to make a
call:
● “Phonebook”: Select the name from an entry
stored in the vehicle phonebook.
...
Key cylinder switch
Description
For vehicles equipped with LH and RH anti-pinch system, the main power window
and door lock/unlock switch
detects condition of the door key cylinder switch and transmits to BCM as the
LOCK or UNLOCK signal.
For vehicles equipped with LH anti-pinch system only, the front door loc ...
Microphone
Diagnosis Procedure
1.CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)
Check voltage between microphone harness connector and ground.
Is proper voltage present?
YES >> GO TO 4
NO >> GO TO 2
2.CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
1. Turn ignition switch OFF.
2. Disconnect Blu ...