Nissan Murano. Instruction — part 1388
TM-94
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F09B]
P1722 VEHICLE SPEED
YES
NO
>> Repair or replace damaged parts.
P1723 SPEED SENSOR
TM-95
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F09B]
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P1723 SPEED SENSOR
Description
INFOID:0000000009719505
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 primary speed sensor detects the primary pulley revolution speed and sends a signal to the TCM.
DTC Logic
INFOID:0000000009719506
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
Immediately after performing any “DTC CONFIRMATION PROCEDURE”, always turn ignition switch OFF.
Then wait at least 10 seconds before performing the next test.
1.
CHECK DTC DETECTION
With CONSULT
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.
Is “P1723” detected?
YES
>> Go to
NO
>> Check intermittent incident. Refer to
GI-44, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000009719507
1.
CHECK STEP MOTOR FUNCTION
Perform “Self Diagnostic Results” in “TRANSMISSION”.
Is “P1778” detected?
YES
>> Repair or replace damaged parts. Refer to
.
NO
>> GO TO 2.
2.
CHECK SECONDARY SPEED SENSOR SYSTEM
Check secondary speed sensor system. Refer to
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
DTC
Trouble diagnosis name
DTC is detected if...
Possible cause
P1723
Speed Sensor Circuit
A rotation sensor error is detected because
the gear does not change in accordance
with the position of the stepping motor.
CAUTION:
One of the “P0720”, the “P0715” or the
“P0725“ is displayed with the DTC at the
same time.
• Harness or connectors
(Sensor circuit is open or shorted.)
• Secondary speed sensor
• Primary speed sensor
• Engine speed signal system
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.
TM-96
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F09B]
P1723 SPEED SENSOR
3.
CHECK PRIMARY SPEED SENSOR SYSTEM
Check primary speed sensor system. Refer to
.
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
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace damaged parts.
5.
DETECT MALFUNCTIONING ITEMS
Check TCM connector pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES
NO
>> Repair or replace damaged parts.
P1726 THROTTLE CONTROL SIGNAL
TM-97
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F09B]
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P1726 THROTTLE CONTROL SIGNAL
Description
INFOID:0000000009719508
The electric throttle control actuator consists of throttle control motor, accelerator pedal position sensor, throt-
tle position sensor, etc. The actuator sends a signal to the ECM, and ECM sends the signal to TCM via CAN
communication.
DTC Logic
INFOID:0000000009719509
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
NOTE:
Immediately after performing any “DTC CONFIRMATION PROCEDURE”, always turn ignition switch OFF.
Then wait at least 10 seconds before performing the next test.
1.
CHECK DTC DETECTION
With CONSULT
1.
Start engine and let it idle for 5 seconds.
2.
Perform “Self Diagnostic Results” in “TRANSMISSION”.
Is “P1726” detected?
YES
>> Go to
NO
>> Check intermittent incident. Refer to
GI-44, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000009719510
1.
CHECK DTC WITH ECM
With CONSULT
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Results” in “ENGINE”.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Check DTC Detected Item. Refer to
2.
CHECK DTC WITH TCM
With CONSULT
Perform “Self Diagnostic Results” in “TRANSMISSION”.
Is “P1726” detected?
YES
NO
>> GO TO 3.
3.
DETECT MALFUNCTIONING ITEMS
Check TCM connector pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES
NO
>> Repair or replace damaged parts.
DTC
Trouble diagnosis name
DTC is detected if...
Possible cause
P1726
Throttle Control Signal Cir-
cuit
The electronically controlled throttle for ECM
is malfunctioning.
Harness or connectors
(Sensor circuit is open or shorted.)
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