Nissan Teana J32. Manual — part 1133
TM-56
< COMPONENT DIAGNOSIS >
[CVT: RE0F09B]
P0720 VEHICLE SPEED SENSOR CVT (SECONDARY SPEED SENSOR)
Is the inspection result normal?
YES
>> GO TO 11.
NO
>> GO TO 2.
2.
CHECK POWER AND SENSOR GROUND
1.
Turn ignition switch OFF.
2.
Disconnect output speed sensor (secondary speed sensor) connector.
3.
Turn ignition switch ON.
4.
Check voltage between output speed sensor (secondary speed sensor) vehicle side harness connector
terminals.
5.
Check voltage between output speed sensor (secondary speed sensor) vehicle side harness connector
terminal and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO-1 (Battery voltage is not supplied between terminals 1 and 3, and between terminal 3 and ground)>>GO
TO 6.
NO-2 (Battery voltage is not supplied between terminals 1 and 3 only)>>GO TO 8.
3.
CHECK HARNESS BETWEEN TCM AND OUTPUT SPEED SENSOR (SECONDARY SPEED SENSOR)
(SENSOR GROUND)
1.
Turn ignition switch OFF.
2.
Disconnect TCM connector.
3.
Check continuity between TCM vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace damaged parts.
4.
CHECK HARNESS BETWEEN TCM AND OUTPUT SPEED SENSOR (SECONDARY SPEED SENSOR)
(PART 1)
Check continuity between TCM vehicle side harness connector terminal and output speed sensor (secondary
speed sensor) vehicle side harness connector terminal.
TCM connector
Condition
Data (Approx.)
Connector
Terminal
F23
34
When driving at 20 km/h (12
MPH) in “D” position, use the
CONSULT-III pulse frequency
measuring function.
400 Hz
Output speed sensor (secondary speed sensor) vehicle side harness connector
Voltage (Approx.)
Connector
Terminal
(+)
(
−
)
F19
3
1
Battery voltage
Output speed sensor (secondary speed sensor) vehicle side har-
ness connector
Ground
Voltage (Approx.)
Connector
Terminal
F19
3
Battery voltage
TCM vehicle side harness connector
Ground
Continuity
Connector
Terminal
F23
7
Not existed
P0720 VEHICLE SPEED SENSOR CVT (SECONDARY SPEED SENSOR)
TM-57
< COMPONENT DIAGNOSIS >
[CVT: RE0F09B]
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Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace damaged parts.
5.
CHECK HARNESS BETWEEN TCM AND OUTPUT SPEED SENSOR (SECONDARY SPEED SENSOR)
(PART 2)
Check continuity between TCM vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair or replace damaged parts.
6.
CHECK HARNESS BETWEEN IPDM E/R AND OUTPUT SPEED SENSOR (SECONDARY SPEED SEN-
SOR) (POWER) (PART 1)
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check continuity between IPDM E/R vehicle side harness connector terminal and output speed sensor
(secondary speed sensor) vehicle side harness connector terminal.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace damaged parts.
7.
CHECK HARNESS BETWEEN IPDM E/R AND OUTPUT SPEED SENSOR (SECONDARY SPEED SEN-
SOR) (POWER) (PART 2)
Check continuity between IPDM E/R vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES
>>
Check the following.
• Harness for short or open between ignition switch and IPDM E/R
• 10 A fuse (No. 43, located in IPDM E/R)
• Ignition switch
NO
>> Repair or replace damaged parts.
8.
CHECK HARNESS BETWEEN TCM AND OUTPUT SPEED SENSOR (SECONDARY SPEED SENSOR)
(SENSOR GROUND) (PART 1)
1.
Turn ignition switch OFF.
2.
Disconnect TCM connector.
3.
Check continuity between TCM vehicle side harness connector terminal and output speed sensor (sec-
ondary speed sensor) vehicle side harness connector terminal.
TCM vehicle side harness connector
Output speed sensor (secondary speed sensor) ve-
hicle side harness connector
Continuity
Connector
Terminal
Connector
Terminal
F23
34
F19
2
Existed
TCM vehicle side harness connector
Ground
Continuity
Connector
Terminal
F23
34
Not existed
IPDM E/R vehicle side harness connector
Output speed sensor (secondary speed sensor) ve-
hicle side harness connector
Continuity
Connector
Terminal
Connector
Terminal
F12
58
F19
3
Existed
IPDM E/R vehicle side harness connector
Ground
Continuity
Connector
Terminal
F12
58
Not existed
TM-58
< COMPONENT DIAGNOSIS >
[CVT: RE0F09B]
P0720 VEHICLE SPEED SENSOR CVT (SECONDARY SPEED SENSOR)
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Repair or replace damaged parts.
9.
CHECK HARNESS BETWEEN TCM AND OUTPUT SPEED SENSOR (SECONDARY SPEED SENSOR)
(SENSOR GROUND) (PART 2)
Check continuity between TCM vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair or replace damaged parts.
10.
CHECK TCM
1.
Replace with the same type of TCM. Refer to
.
2.
Connect each connector.
3.
Perform “DTC CONFIRMATION PROCEDURE”. Refer to
.
Is “P0720 VEH SPD SEN/CIR AT” detected?
YES
>> Replace output speed sensor (secondary speed sensor). Refer to
NO
11.
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.
TCM vehicle side harness connector
Output speed sensor (secondary speed sensor) ve-
hicle side harness connector
Continuity
Connector
Terminal
Connector
Terminal
F23
7
F19
1
Existed
TCM vehicle side harness connector
Ground
Continuity
Connector
Terminal
F23
7
Not existed
P0725 ENGINE SPEED SIGNAL
TM-59
< COMPONENT DIAGNOSIS >
[CVT: RE0F09B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
P0725 ENGINE SPEED SIGNAL
Description
INFOID:0000000003848970
The engine speed signal is transmitted from ECM to TCM via CAN communication line.
DTC Logic
INFOID:0000000003848971
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-III
1.
Turn ignition switch ON.
2.
Select “Data Monitor” mode for “TRANSMISSION”.
3.
Start engine and maintain the following conditions for at least 10 consecutive seconds.
Is “P0725 ENGINE SPEED SIG” detected?
YES
>> Go to
NO
>> Check intermittent incident. Refer to
GI-35, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000003848972
1.
CHECK DTC WITH ECM
With CONSULT-III
1.
Turn ignition switch ON.
2.
Perform “Self-Diagnostic Results” mode for “ENGINE”.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Check DTC detected item. Refer to
2.
CHECK DTC WITH TCM
With CONSULT-III
Perform “Self-Diagnostic Results” mode for “TRANSMISSION”.
Is “P0725 ENGINE SPEED SIG” detected?
YES
>> Replace TCM. Refer to
.
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
Item
(CONSULT-III screen term)
Malfunction is detected when...
Possible cause
P0725
ENGINE SPEED SIG
• TCM does not receive the CAN communi-
cation signal from the ECM.
• Engine speed is too low while driving.
Harness or connectors
(The ECM to the TCM circuit is open or
shorted.)
PRI SPEED SEN
: More than 1,000 rpm
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