Nissan Juke Service and Repair Manual : P1723 speed sensor

Description

The secondary speed sensor detects the revolution of parking gear and generates a pulse signal. The pulse signal is sent to the TCM, which converts it into vehicle speed.

The prymary speed sensor detects the primary pulley revolution speed and sends a signal to the TCM.

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE


DTC CONFIRMATION PROCEDURE

CAUTION:
Always drive vehicle at a safe speed.

NOTE:

If DTC CONFIRMATION PROCEDURE has been previously performed, always turn ignition switch OFF and wait at least 10 seconds before performing the next test.

After the repair, perform the following procedure to confirm the malfunction is eliminated.

1.CHECK DTC DETECTION

1. Turn ignition switch ON.With CONSULT-III


1. Turn ignition switch ON.

2. Select DATA MONITOR in TRANSMISSION.

3. Start engine and maintain the following conditions for at least 5 consecutive seconds

VEHICLE SPEED : 10 km/h (6 MPH) or more ACC PEDAL OPEN : More than 1.0/8 RANGE : D position
ENG SPEED : 450 rpm or more Driving location : Driving the vehicle uphill (increased engine load) will help maintain the driving conditions required for this test.

Is P1723 detected? YES >> Go to TM-244, "Diagnosis Procedure".

NO >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".

Diagnosis Procedure

1.CHECK STEP MOTOR FUNCTION

Perform the self-diagnosis check

Is a malfunction in the step motor function indicated in the results? YES >> Repair or replace damaged parts. (Check the step motor function. Refer to TM-252, "DTC Logic".) NO >> GO TO 2.

2.CHECK SECONDARY SPEED SENSOR SYSTEM

Check secondary speed sensor system. Refer to TM-209, "DTC Logic".

Is the inspection result normal? YES >> GO TO 3.

NO >> Repair or replace damaged parts.

3.CHECK PRIMARY SPEED SENSOR SYSTEM

Check primary speed sensor system. Refer to TM-207, "DTC Logic".

Is the inspection result normal? YES >> GO TO 4.

NO >> Repair or replace damaged parts.

4.CHECK ENGINE SPEED SIGNAL SYSTEM

Check engine speed signal system. Refer to TM-212, "DTC Logic".

Is the inspection result normal? YES >> GO TO 5.

NO >> Repair or replace damaged parts.

5.CHECK TCM

Check TCM input/output signals. Refer to TM-164, "Reference Value".

Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".

NO >> Replace TCM.

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