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:
Diagnosis and repair workflow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW FOR MALFUNCTION
Interview the symptom to the customer
>> GO TO 2.
2.SYMPTOM CHECK
Check the symptom from the customer's information. Check that any symptom
occurs other than the interviewed
symptom.
Insufficient cooling/heat ...
Chassis maintenance
Headlamp aiming adjustment (halogen type - LHD)
HEADLAMP AIMING ADJUSTMENT (HALOGEN TYPE - LHD) : Description
PREPARATION BEFORE ADJUSTING
NOTE:
• For details, refer to the regulations in your own country.
• Perform aiming if the vehicle front body has been repaired and/or the headlamp
assemb ...
P2127, P2128 APP sensor
DTC Logic
DTC DETECTION 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.
TESTING CONDITION:
Before performing the following proced ...