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 uses these signals for ASCD control. Refer to EC-47, "AUTOMATIC SPEED CONTROL DEVICE (ASCD) : System Description" for ASCD functions.
DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
| P1574 | ASCD VHL SPD SEN (ASCD VHL SPD SEN) | ECM detects a difference between two vehicle speed signals is out of the specified range. |
POSSIBLE CAUSE
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.CHECK DTC PRIORITY
If DTC P1574 is displayed with DTC U1001, P0500, P0603, P0604, P0605, P0606, P0607, P060A or P060B, first perform the trouble diagnosis for DTC U1001, P0500, P0603, P0604, P0605, P0606, P0607, P060A or P060B.
Is applicable DTC detected? YES >> Perform diagnosis of applicable. Refer to EC-93, "DTC Index".
NO >> GO TO 2.
2.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
>> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE
CAUTION: Always drive vehicle at a safe speed.
NOTE: This procedure may be conducted with the drive wheels lifted in the shop or by driving the vehicle.
If a road test is expected to be easier, it is unnecessary to lift the vehicle.
Is DTC detected? YES >> Proceed to EC-415, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK DTC PRIORITY
If DTC P1574 is displayed with DTC U1001, P0500, P0603, P0604, P0605, P0606, P0607, P060A or P060B, first perform the trouble diagnosis for DTC U1001, P0500, P0603, P0604, P0605, P0606, P0607, P060A or P060B.
Is applicable DTC detected? YES >> Perform diagnosis of applicable. Refer to EC-93, "DTC Index".
NO >> GO TO 2.
2.CHECK DTC WITH TCM
Check DTC with TCM. Refer to TM-47, "CONSULT Function".
Is DTC detected? NO >> GO TO 3.
YES >> Perform trouble shooting relevant to DTC indicated.
3.CHECK DTC WITH “ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)”
Check DTC with ABS actuator and electric unit (control unit). Refer to BRC-44, "CONSULT Function".
Is DTC detected? NO >> INSPECTION END
YES >> Perform trouble shooting relevant to DTC indicated.
P1572 brake pedal position switch
P1715 input speed sensorRear regulator
Exploded View
Rear door panel
Rear door glass corner finisher
Rear door glass rear run channel
Rear door regulator assembly
Rear door glass power window motor
Rear door glass
Rear door glass rubber run channel
Removal and Installation
REMOVAL
Remove the re ...
Periodic maintenance
REAR WHEEL HUB AND HOUSING
Inspection
INSPECTION
Make sure the conditions (looseness, back lash) of each component and
component conditions (wear, damage)
are normal.
WHEEL HUB AND BEARING INSPECTION
Move wheel hub and bearing in the axial direction by hand. Make
sure there is no ...
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) ...