Nissan Cube. Manual - part 369

EC-362

< DTC/CIRCUIT DIAGNOSIS >

[MR18DE]

P1574 ASCD VEHICLE SPEED SENSOR

2.

CHECK DTC WITH “ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)”

Refer to 

BRC-23, "CONSULT Function"

.

Is DTC detected?

NO

>> INSPECTION END

YES

>> Perform trouble shooting relevant to DTC indicated.

P1715 INPUT SPEED SENSOR

EC-363

< DTC/CIRCUIT DIAGNOSIS >

[MR18DE]

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P1715 INPUT SPEED SENSOR

Description

INFOID:0000000009947489

ECM receives input shaft revolution signal from TCM via the CAN communication line. ECM uses this signal
for engine control.

DTC Logic

INFOID:0000000009947490

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-241, "DTC Logic"

.

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

to 

EC-245, "DTC Logic"

.

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

to 

EC-312, "DTC Logic"

.

• If DTC P1715 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer

to 

EC-314, "DTC 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.

>> 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-363, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009947491

1.

CHECK DTC WITH TCM

Check DTC with TCM. Refer to 

TM-99, "CONSULT Function"

.

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-235, "Removal and Installation"

.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P1715

Input speed sensor
(TCM output)

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

• Harness or connectors

(The CAN communication line is open or short-
ed)

• Harness or connectors

(Primary speed sensor circuit is open or short-
ed)

• TCM

EC-364

< DTC/CIRCUIT DIAGNOSIS >

[MR18DE]

P1715 INPUT SPEED SENSOR

>> INSPECTION END

P1805 BRAKE SWITCH

EC-365

< DTC/CIRCUIT DIAGNOSIS >

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P1805 BRAKE SWITCH

Description

INFOID:0000000009947492

Brake switch signal is applied to the ECM through the stop lamp switch when the brake pedal is depressed.
This signal is used mainly to decrease the engine speed when the vehicle is driving.

DTC Logic

INFOID:0000000009947493

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Fully depress the brake pedal for at least 5 seconds.

3.

Erase the DTC.

4.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Go to 

EC-365, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009947494

1.

CHECK STOP LAMP SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Check the stop lamp when depressing and releasing the brake pedal.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 2.

2.

CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect stop lamp switch harness connector.

3.

Check the voltage between stop lamp switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

DETECT MALFUNCTIONING PART

Check the following.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P1805

Brake switch

A brake switch signal is not sent to ECM 
for extremely long time while the vehicle is 
driving.

• Harness or connectors

(Stop lamp switch circuit is open or shorted.)

• Stop lamp switch

Brake pedal

Stop lamp

Fully released

Not illuminated

Slightly de-

pressed

Illuminated

Stop lamp switch

Ground

Voltage

Connector

Terminal

E114 (M/T)

E115 (CVT)

1

Ground

Battery voltage