Nissan Juke Service and Repair Manual : P1574 ASCD vehicle speed sensor
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-64, "AUTOMATIC SPEED CONTROL DEVICE (ASCD) : System Description" for ASCD functions.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC P1574 is displayed with DTC U1001, first perform the trouble diagnosis
for DTC U1001. Refer
to EC-161, "DTC Logic".
• If DTC P1574 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500. Refer to EC-286, "DTC Logic" • If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer to EC-302, "DTC Logic" • If DTC P1574 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer to EC-304, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine.
2. Drive the vehicle at more than 40 km/h (25 MPH).
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.
3. Check DTC.
Is DTC detected? YES >> Proceed to EC-352, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK DTC WITH TCM
Check DTC with TCM. Refer to TM-159, "CONSULT-III Function (TRANSMISSION)".
Is DTC detected? NO >> GO TO 2.
YES >> Perform trouble shooting relevant to DTC indicated.
2.CHECK DTC WITH “ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)”
Check DTC with ABS actuator and electric unit (control unit). Refer to BRC-131, "CONSULT-III Function".
Is DTC detected? NO >> INSPECTION END YES >> Perform trouble shooting relevant to DTC indicated.
P1572 ASCD brake switch
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC P1572 is displayed with DTC P0605, first perform the trouble diagnosis
for DTC P0605. Refer
to EC-302, "DTC Logic".
• This self-diagnosis ...
P158A ECM
DTC Logic
*: Since this DTC is detected when G sensor calibration is incomplete, there
is not replacement parts.
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, ...
Other materials:
Front-seat Active Head Restraints
The Active Head Restraint moves forward utilizing the force that the seatback
receives from the occupant in a rear-end collision. The movement of the head restraint
helps support the occupant’s head by reducing its backward movement and helping
absorb some of the forces that may lead to whip ...
High pressure fuel pump
Component Function Check
1.CHECK HIGH PRESSURE FUEL PUMP FUNCTION
With CONSULT-III
1. Start engine.
2. Check “FUEL PRES SEN V” in “DATA MONITOR” mode of “ENGINE” using CONSULT-III.
Without CONSULT-III
1. Start engine.
2. Check the voltage between ECM harness connector terminals as per the ...
Warning lights and audible reminders
To help prevent the vehicle from moving unexpectedly by erroneous operation of
the Intelligent Key listed on the following chart or to help prevent the vehicle
from being stolen, chime or beep sounds inside and outside the vehicle and a warning
light illuminates or blinks.
When a chime or bee ...
