Nissan Maxima. Manual - part 488

EC-436

< DTC/CIRCUIT DIAGNOSIS >

[VQ35DE]

P1574 ASCD VEHICLE SPEED SENSOR

YES

>> GO TO 2.

NO

>> Perform trouble shooting relevant to DTC indicated.

2.

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

Refer to 

BRC-21, "CONSULT Function (ABS)"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace malfunctioning part.

3.

CHECK COMBINATION METER FUNCTION

Refer to 

MWI-29, "CONSULT Function (METER/M&A)"

.

>> INSPECTION END

P1700 CVT CONTROL SYSTEM

EC-437

< DTC/CIRCUIT DIAGNOSIS >

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P1700 CVT CONTROL SYSTEM

Description

INFOID:0000000010095135

This DTC is displayed with other DTC regarding TCM. Perform the trouble diagnosis for corresponding DTC.

Refer to 

EC-542, "DTC Index"

. When this DTC is detected, the ASCD control is canceled.

EC-438

< DTC/CIRCUIT DIAGNOSIS >

[VQ35DE]

P1715 INPUT SPEED SENSOR

P1715 INPUT SPEED SENSOR

Description

INFOID:0000000010095136

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

engine control.

DTC Logic

INFOID:0000000010095137

DTC DETECTION LOGIC

NOTE:

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

to 

EC-161, "DTC Logic"

.

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

to 

EC-296, "DTC Logic"

.

• If DTC P1715 is displayed with DTC P0340, P0345, first perform the trouble diagnosis for DTC P0340,

P0345. Refer to 

EC-300, "DTC Logic"

.

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

to 

EC-391, "DTC Logic"

.

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

to 

EC-393, "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 more than 50 km/h (31 MPH) for at least 5 seconds.

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

YES

>> Go to 

EC-438, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010095138

1.

CHECK DTC WITH TCM

Check DTC with TCM. Refer to 

TM-36, "Diagnosis Description"

.

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-168, "Removal and Installation"

.

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 en-
gine 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-439

< DTC/CIRCUIT DIAGNOSIS >

[VQ35DE]

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>> INSPECTION END