Description
ECM receives input speed sensor signal from TCM via the CAN communication line. ECM uses this signal for engine control.
DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC No. | Trouble diagnosis | DTC detecting condition | Possible cause |
P1715 | Input speed sensor (TCM output) | Input speed sensor signal is different from the theoretical value calculated by ECM from output speed sensor signal and engine rpm signal. |
|
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
CAUTION: Always drive vehicle at a safe speed.
Is 1st trip DTC detected?
YES >> Go to EC, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK DTC WITH TCM
Check DTC with TCM. Refer to TM, "DTC Index" (A/T models) or TM, "DTC Index" (CVT models).
Is the inspection result normal?
YES >> GO TO 2.
NO >> Perform trouble shooting relevant to DTC indicated.
2.REPLACE TCM
Replace TCM. Refer to TM, "Removal and Installation" (A/T models) or TM, "Removal and Installation" (CVT models).
>> INSPECTION END
Description The ECM receives two vehicle speed sensor signals via CAN communication line. One is sent from combination meter, and the other is from TCM (Transmission control module). The ECM use ...
Description ECM receives two vehicle speed signals via the CAN communication line. One is sent from "ABS actuator and electric unit (control unit)" via combination meter, and the other is from TC ...
Automatic speed control device (ASCD)
Automatic speed control device (ascd) : system diagram
NOTE:
Transmission range switch and TCM is also for A/T models.
Automatic speed control device (ascd) : system description
INPUT/OUTPUT SIGNAL CHART
Sensor
Input signal to ECM
ECM function
Actuator
Brake pedal ...
Secondary speed sensor
Exploded View
1. Transaxle assembly 2. O-ring 3. Secondary speed sensor
Front :
Genuine NISSAN CVT Fluid NS-3
Removal and Installation
REMOVAL
Remove the front LH wheel and tire. Refer to WT "Adjustment".
Remove the fender protector (LH). Refer to EXT "Removal and
...