Nissan Juke Service and Repair Manual : P0720 output speed sensor

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.

3. Start engine and maintain the following conditions for at least 12 consecutive seconds.

ACC PEDAL OPEN : More than 1.0/8 RANGE : D position
Driving location : Driving the vehicle uphill (increased engine load) will help maintain the driving conditions required for this test.

4. If DTC is detected,

Follow the procedure With CONSULT-III.With GST


Follow the procedure With CONSULT-III.

Is P0720 detected? YES >> Go to TM-209, "Diagnosis Procedure".

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

Diagnosis Procedure

1. CHECK POWER AND SENSOR GROUND

1. Turn ignition switch OFF.

2. Disconnect the secondary speed sensor harness connector.

3. Turn ignition switch ON.

4. Check voltage between secondary speed sensor harness connector terminals.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 2.

NO >> GO TO 5.

2. CHECK TCM INPUT SIGNAL

1. Turn ignition switch OFF.

2. Connect the secondary speed sensor harness connector.

3. Start engine.

4. Lift up the vehicle.

5. Check frequency of secondary speed sensor.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 8.

NO >> GO TO 3.

3. CHECK HARNESS BETWEEN TCM AND SECONDARY SPEED SENSOR (PART 1)

1. Turn ignition switch OFF.

2. Disconnect TCM connector and secondary speed sensor harness connector.

3. Check continuity between TCM connector terminal and secondary speed sensor harness connector terminal.

Is the inspection result normal?


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

NO >> Repair or replace damaged parts.

4. CHECK HARNESS BETWEEN TCM AND SECONDARY SPEED SENSOR (PART 2)

Check continuity between TCM connector terminal and ground.

Is the inspection result normal?


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

NO >> Repair or replace damaged parts.

5. CHECK CVT UNIT CIRCUIT

1. Disconnect CVT unit connector.

2. Check continuity between CVT unit connector terminals and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 6.

NO >> Repair or replace damaged parts.

6. CHECK HARNESS BETWEEN SECONDARY SPEED SENSOR (POWER) AND IPDM E/R (PART 1)

1. Turn ignition switch OFF.

2. Disconnect IPDM E/R connector.

3. Check continuity between secondary speed sensor vehicle side harness connector terminal and IPDM E/ R vehicle side harness connector terminal.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 7.

NO >> Repair or replace damaged parts.

7. CHECK HARNESS BETWEEN SECONDARY SPEED SENSOR (POWER) AND IPDM E/R (PART 1)

Check continuity between secondary speed sensor vehicle side harness connector terminal and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 8.

NO >> Repair or replace damaged parts.

8.DETECT MALFUNCTIONING ITEMS

Check the following. Refer to PG-15, "Wiring Diagram - IGNITION POWER SUPPLY -".

IPDM E/R
10A fuse (No.55, located in the IPDM E/R) Harness for short or open between IPDM E/R and ignition switch Ignition switch

Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident" NO >> Repair or replace damaged parts.

9.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

Is the inspection result normal? YES >> Replace secondary speed sensor. Refer to TM-291, "Removal and Installation".

NO >> Repair or replace damaged parts.

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