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-477, "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-569, "DTC Logic".
• If DTC P1574 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer to EC-685, "DTC Logic".
• If DTC P1574 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500. Refer to EC-672, "DTC Logic".
• If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer to EC-683, "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 (ESP switch OFF).
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 >> Go to EC-723, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK DTC WITH TCM
Check DTC with TCM. Refer to TM-171, "DTC Index".
Is the inspection result normal
YES >> GO TO 2.
NO >> 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-142, "DTC Index".
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace.
3.CHECK DTC WITH COMBINATION METER
Check DTC with combination meter. Refer to MWI-36, "DTC Index".
>> INSPECTION END
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-683, "DTC Logic". • This self-diagnosis ...P1650 starter motor relay 2
Description ECM controls ON/OFF state of the starter relay, according to the engine and vehicle condition. Models with no Intelligent Key System transmit a control signal directly to IPDM E/R. On ...Other materials:
Intelligent key battery
Removal and Installation
1. Release the lock knob at the back of the Intelligent Key and remove the
mechanical key.
2. Insert a flat-blade screwdriver (A) wrapped with a cloth into the
slit of the corner and twist it to separate the upper part from the
lower part.
CAUTION:
• Do not touch t ...
Blower fan resistor
Exploded View
1. A/C unit assembly
2. Fan control amp.*1
3. Blower fan resistor*2
4. Blower motor
5. Blower motor cover
• *1: Automatic air conditioner
• *2: Manual air conditioner
Removal and Installation
REMOVAL
1. Remove instrument panel assembly. Refer to IP-13, "Removal and ...
Horn function
Component Function Check
1.CHECK FUNCTION 1
1. Disconnect vehicle security horn relay.
2. Perform “VEHICLE SECURITY HORN” in “ACTIVE TEST” mode of “THEFT ALM” of “BCM”
using CONSULT-
III.
3. Check the horn operation.
Is the operation normal?
YES >> GO TO 2.
NO >> Go to SE ...