Nissan Teana J32. Instruction — part 1175
TM-224
< COMPONENT DIAGNOSIS >
[CVT: RE0F10A]
P0720 VEHICLE SPEED SENSOR CVT (SECONDARY SPEED SENSOR)
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.
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.
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
P0720 VEHICLE SPEED SENSOR CVT (SECONDARY SPEED SENSOR)
TM-225
< COMPONENT DIAGNOSIS >
[CVT: RE0F10A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
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.
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
TM-226
< COMPONENT DIAGNOSIS >
[CVT: RE0F10A]
P0725 ENGINE SPEED SIGNAL
P0725 ENGINE SPEED SIGNAL
Description
INFOID:0000000003806400
The engine speed signal is transmitted from ECM to TCM via CAN communication line.
DTC Logic
INFOID:0000000003806401
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn ignition switch
OFF. Then wait at least 10 seconds before performing the next test.
Perform the following procedure to confirm the malfunction is eliminated after the repair.
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:0000000003806402
1.
CHECK DTC WITH ECM
With CONSULT-III
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Results” mode for “ENGINE”.
Is any DTC other than “P0725 ENGINE SPEED SIG” detected?
YES
>> Check the DTC detected item. Refer to
EC-113, "CONSULT-III Function"
.
NO
>> GO TO 2.
2.
CHECK DTC WITH TCM
With CONSULT-III
Select “Self Diagnostic Results” mode for “TRANSMISSION”.
Is any DTC other than “P0725 ENGINE SPEED SIG” detected?
YES
>> Check the DTC detected item. Refer to
TM-204, "CONSULT-III Function (TRANSMISSION)"
.
NO
>> GO TO 3.
3.
CHECK INPUT SIGNALS
With CONSULT-III
1.
Start engine.
2.
Select “Data Monitor” mode for “TRANSMISSION”.
DTC
Item
(CONSULT-III screen term)
Malfunction is detected when...
Possible cause
P0725
ENGINE SPEED SIG
• TCM does not receive the
CAN communication 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 1000 rpm
P0725 ENGINE SPEED SIGNAL
TM-227
< COMPONENT DIAGNOSIS >
[CVT: RE0F10A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
3.
Check for engine speed change corresponding to “ACC PEDAL OPEN” while monitoring “ENG SPEED
SIG”.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Check ignition signal circuit. Refer to
.
4.
CHECK TCM
Check TCM input/output signals. Refer to
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-35, "Intermittent Incident"
.
NO
Item name
Condition
Display value
ENG SPEED SIG
Engine running
Closely matches the tachometer reading.
ACC PEDAL OPEN
Released accelerator pedal – Fully depressed accelerator pedal
0.0/8 – 8.0/8
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