Nissan Tiida C11. Instruction — part 1251
DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)
TM-55
< COMPONENT DIAGNOSIS >
[TYPE 1 (4AT: RE4F03B)]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
3.
Check continuity between TCM connector terminals and revolu-
tion sensor harness connector terminal.
4.
If OK, check harness for short to ground and short to power.
5.
Reinstall any part removed.
OK or NG
OK
>> 10A fuse (No.58, located in the IPDM E/R) or ignition switch are malfunctioning.
NG
>> Repair open circuit or short to ground or short to power in harness or connectors.
7.
CHECK HARNESS BETWEEN TCM AND REVOLUTION SENSOR (SENSOR GROUND)
1.
Turn ignition switch OFF.
2.
Disconnect the TCM connector and revolution sensor harness connector.
3.
Check continuity between TCM connector terminal and revolu-
tion sensor harness connector terminal.
4.
If OK, check harness for short to ground and short to power.
5.
Reinstall any part removed.
OK or NG
OK
>> GO TO 5.
NG
>> Repair open circuit or short to ground or short to power
in harness or connectors.
8.
CHECK DTC
Perform
TM-52, "DTC Confirmation Procedure"
.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 5.
Item
Connector
Terminal
Continuity
TCM
E31
10
Yes
Revolution sensor
F38
1
TCM
E31
19
Yes
Revolution sensor
F38
1
SCIA2617E
Item
Connector
Terminal
Continuity
TCM
E32
42
Yes
Revolution sensor
F38
3
SCIA2618E
TM-56
< COMPONENT DIAGNOSIS >
[TYPE 1 (4AT: RE4F03B)]
DTC P0725 ENGINE SPEED SIGNAL
DTC P0725 ENGINE SPEED SIGNAL
Description
INFOID:0000000001694306
The engine speed signal is sent from the ECM to the TCM.
CONSULT-III Reference Value in Data Monitor Mode
INFOID:0000000001694307
Remarks: Specification data are reference values.
On Board Diagnosis Logic
INFOID:0000000001694308
• This is an OBD self-diagnostic item.
• Diagnostic trouble code “P0725 ENGINE SPEED SIG” with CONSULT-III or 9th judgement flicker without
CONSULT-III is detected when TCM does not receive the proper voltage signal from ECM.
Possible Cause
INFOID:0000000001694309
Harness or connector
(Circuit is open or shorted.)
DTC Confirmation Procedure
INFOID:0000000001694310
CAUTION:
• Always drive vehicle at a safe speed.
• If performing this “DTC Confirmation Procedure” again, always turn ignition switch OFF and wait at
least 10 seconds before continuing.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1.
Turn ignition switch ON and select “DATA MONITOR” mode for “A/T” with CONSULT-III.
2.
Touch “START”.
3.
Start engine and maintain the following conditions for at least 10 consecutive seconds.
VEHICLE SPEED: 10 km/h (6 MPH) or more
THROTTLE POSI: More than 1.0/8
SLCT LVR POSI: “D” position
4.
If the check result is NG, go to
WITH GST
Follow the procedure “WITH CONSULT-III”.
WITHOUT CONSULT-III
1.
Start engine.
2.
Drive vehicle under the following conditions for more than 10 seconds.
Selector lever position: “D” position
Vehicle speed: Higher than 10 km/h (6 MPH)
Throttle position: Greater than 1.0/8 of the full throttle position
3.
Perform self-diagnosis. Refer to
TM-38, "Diagnosis Procedure without CONSULT-III"
4.
If the check result is NG, go to
Diagnosis Procedure
INFOID:0000000001694312
1.
CHECK DTC WITH ECM
Check DTC with CONSULT-III “ENGINE”.
Turn ignition switch ON and select “SELF-DIAGNOSTIC RESULTS” mode for “ENGINE” with CONSULT-III.
Refer to
EC-107, "CONSULT-III Function"
.
OK or NG
OK
>> GO TO 2.
Item name
Condition
Display value
ENGINE SPEED
Engine running
Approximately matches the tachometer reading.
DTC P0725 ENGINE SPEED SIGNAL
TM-57
< COMPONENT DIAGNOSIS >
[TYPE 1 (4AT: RE4F03B)]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
NG
>> Check ignition signal circuit for engine control. Refer to
2.
CHECK INPUT SIGNAL
With CONSULT-III
1.
Start engine.
2.
Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for “A/T” with CONSULT-III.
3.
Read out the value of “ENGINE SPEED”. Check engine speed changes according to throttle position.
Without CONSULT-III
1.
Start engine.
2.
Check voltage between TCM harness connector terminal and
ground.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 3.
3.
CHECK HARNESS BETWEEN TCM AND ECM
1.
Turn ignition switch OFF.
2.
Disconnect ECM connector and TCM connector.
3.
Check continuity between ECM connector and TCM connector.
4.
If OK, check harness for short to ground and short to power.
5.
If OK, check continuity between body ground and transaxle
assembly.
6.
Reinstall any part removed.
OK or NG
OK
>> GO TO 4.
NG
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK DTC
Perform
TM-56, "DTC Confirmation Procedure"
.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 5.
5.
CHECK TCM
1.
Check TCM input/output signal. Refer to
.
2.
If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
Item name
Condition
Display value
ENGINE SPEED (rpm)
Engine running
Approximately matches the tachome-
ter reading.
item
Connec-
tor
Terminal
Condition
Judgement standard (Ap-
prox.)
Engine
speed signal
E32
39 -
Ground
and Refer
.
SCIA3265E
Item
Connector
Terminal Continuity
TCM
E32
39
Yes
ECM
F10
13
SCIA7173E
TM-58
< COMPONENT DIAGNOSIS >
[TYPE 1 (4AT: RE4F03B)]
DTC P0725 ENGINE SPEED SIGNAL
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace damaged parts.
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