Nissan Versa Sedan. Instruction - part 347

 

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Nissan Versa Sedan. Instruction - part 347

 

 

P1574 ASCD VEHICLE SPEED SENSOR

EC-387

< DTC/CIRCUIT DIAGNOSIS >

[HR16DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

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-32, "CONSULT Function (ABS)"

.

Is DTC detected?

NO

>> INSPECTION END

YES

>> Perform trouble shooting relevant to DTC indicated.

EC-388

< DTC/CIRCUIT DIAGNOSIS >

[HR16DE]

P1715 INPUT SPEED SENSOR

P1715 INPUT SPEED SENSOR

Description

INFOID:0000000009267264

ECM receives input speed sensor signal from TCM via the CAN communication line. ECM uses this signal for

engine control.

DTC Logic

INFOID:0000000009267265

DTC DETECTION LOGIC

NOTE:

• If DTC P1715 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.

• If DTC P1715 is displayed with DTC P0335, first perform the trouble diagnosis for DTC P0335. Refer

to 

EC-272, "DTC Logic"

.

• If DTC P1715 is displayed with DTC P0340, first perform the trouble diagnosis for DTC P0340. Refer

to 

EC-276, "DTC Logic"

.

• If DTC P1715 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer

to 

EC-341, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-

ing 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 and drive the vehicle at more than 50 km/h (31 MPH) for at least 5 seconds.

CAUTION:

Always drive vehicle at a safe speed.

2. Check 1st trip DTC.
Is 1st trip DTC detected?

YES

>> Go to 

EC-388, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009267266

1.

CHECK DTC WITH TCM

Check DTC with TCM. Refer to 

TM-109, "DTC Index"

 (A/T models) or 

TM-311, "DTC Index"

 (CVT models).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Perform trouble shooting relevant to DTC indicated.

2.

REPLACE TCM

Replace TCM. Refer to 

TM-241, "Removal and Installation"

 (A/T models) or 

TM-437, "Removal and Installa-

tion"

 (CVT models).

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P1715

Input speed sensor
(TCM output)

Input speed sensor signal is different 
from the theoretical value calculated by 
ECM from output speed sensor signal 
and engine rpm signal.

• Harness or connectors

(The CAN communication line is open or shorted)

• Harness or connectors

(Input speed sensor circuit is open or shorted)

• TCM

P1715 INPUT SPEED SENSOR

EC-389

< DTC/CIRCUIT DIAGNOSIS >

[HR16DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

>> INSPECTION END

EC-390

< DTC/CIRCUIT DIAGNOSIS >

[HR16DE]

P1720 VSS

P1720 VSS

Description

INFOID:0000000009267267

ECM receives two vehicle speed signals via the CAN communication line. One is sent from “ABS actuator and

electric unit (control unit)” via combination meter, and the other is from TCM (Transmission control module).

ECM uses these signals for engine control.

DTC Logic

INFOID:0000000009267268

DTC DETECTION LOGIC

NOTE:

• If DTC P1720 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.

• If DTC P1720 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer

to 

EC-341, "DTC Logic"

.

• If DTC P1720 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer

to 

EC-343, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-

ing 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 vehicle at a speed of 20 km/h (12 MPH) or more for at least 5 seconds without depressing the brake

pedal.

3. Check 1st trip DTC.
Is 1st trip DTC detected?

YES

>> Go to 

EC-390, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009267269

1.

CHECK DTC WITH TCM

Check DTC with TCM. Refer to 

TM-109, "DTC Index"

 (A/T models) or 

TM-311, "DTC Index"

 (CVT models).

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-43, "DTC Index"

.

Is the inspection result normal?

DTC No. Trouble diagnosis name

DTC detecting condition

Possible cause

P1720

Vehicle speed sensor
(TCM output)

The difference between two vehicle 
speed signals is out of the specified 
range.

• Harness or connectors

(Secondary speed sensor circuit is open or shorted.)
(Wheel sensor circuit is open or shorted.)

• TCM
• Secondary speed sensor
• ABS actuator and electric unit (control unit)
• Wheel sensor
• Combination meter

 

 

 

 

 

 

 

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