Nissan Rogue (T33) 2021-Present Service Manual: P1574 Ascd Vehicle Speed Sensor
DTC Description
DESCRIPTION
The ECM receives two vehicle speed sensor signals via CAN communication line. One is sent from VDC (Nissan Ariya vehicle dynamics control), and the other is from TCM (Transmission control module). The ECM uses these signals for ASCD control. Refer to System Description.
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| P1574 | 00 |
ASCD VHL SPD SEN (ASCD VHL SPD SEN) |
Diagnosis condition | Nissan Ariya Vehicle speed: More than 40 km/h (25 MPH) |
| Signal (terminal) | — | |||
| Threshold | ASCD Nissan Ariya vehicle speed signals are out of the specified range | |||
| Diagnosis delay time | — | |||
POSSIBLE CAUSE
-
Harness or connectors (CAN communication line is open or shorted.)
-
ABS actuator and electric unit (control unit)
-
TCM
-
ECM
FAIL-SAFE
Not applicable
DTC Confirmation Procedure
CHECK DTC PRIORITY
If DTC P1574 is displayed with other DTC, first perform the trouble diagnosis for other DTC.
Is applicable DTC detected?
YES>>Perform diagnosis of applicable. Refer to DTC Index.
NO>>GO TO 2.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
-
Ignition switch OFF and wait at least 10 seconds.
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Ignition switch ON.
-
Ignition switch OFF and wait at least 10 seconds.
>>
GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE
-
Start engine.
-
Drive the Nissan Ariya 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 Nissan Ariya vehicle. If a road test is expected to be easier, it is unnecessary to lift the vehicle.
-
Check DTC.
Is DTC detected?
YES>>Proceed to DTC Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: INSPECTION END
DTC Diagnosis Procedure
CHECK DTC PRIORITY
If DTC P1574 is displayed with other DTC, first perform the trouble diagnosis for other DTC.
Is applicable DTC detected?
YES>>Perform diagnosis of applicable. Refer to DTC Index.
NO>>GO TO 2.
CHECK DTC WITH TCM
Check DTC with TCM. Refer to CONSULT Function.
Is DTC detected?
NO>>GO TO 3.
YES>>Perform trouble shooting relevant to DTC indicated.
CHECK DTC WITH “ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)”
Check DTC with ABS actuator and electric unit (control unit). Refer to CONSULT Function.
Is DTC detected?
NO>>INSPECTION END
YES>>Perform trouble shooting relevant to DTC indicated.
Other materials:
Basic information
WARNING
Always confirm the liftgate of the Nissan Rogue is securely closed before driving.
Never drive with the liftgate open to prevent exhaust gases from entering the cabin.
Do not leave children, pets, or dependent persons inside the Nissan Rogue unattended.
Keep hands and feet clear of the ...
Warning/indicator lights (red)
Brake warning light
or
This light functions for both the parking brake and the foot brake systems, helping the driver of the Nissan Rogue stay aware of braking performance.
Low brake fluid warning light:
When the ignition switch is placed in the ON position, the brake warning light illuminates a ...
Diagnosis System (head up Display Unit)
CONSULT Function (HEAD UP DISPLAY)
APPLICATION ITEMSCONSULT can perform the following diagnosis modes via CAN communication and the combination meter. Diagnosis mode Function
Self diagnosis result
The Head Up Display unit self diagnosis results are displayed.
ECU Identification
The H ...