Infiniti QX56 (Z62). Manual — part 1300
P0717 INPUT SPEED SENSOR A
TM-109
< DTC/CIRCUIT DIAGNOSIS >
[7AT: RE7R01B]
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P0717 INPUT SPEED SENSOR A
DTC Logic
INFOID:0000000006226808
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” is previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before performing the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT-III
1.
Start the engine.
2.
Select “SLCT LVR POSI”, “GEAR”, “VHCL/S SE-A/T”, “W/O THL POS” and “ENGINE SPEED” in “Data
Monitor” in “TRANSMISSION”.
3.
Drive vehicle and maintain the following conditions for 5 seconds or more.
CAUTION:
Keep the same gear position.
NOTE:
Driving the vehicle uphill (increased engine load) will help maintain the driving conditions required for this
test.
4.
Perform “Self Diagnostic Results” in “TRANSMISSION”.
With GST
Follow the procedure “With CONSULT-III”.
Is “P0717” detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006226809
1.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace the control valve & TCM. Refer to
.
NO
>> Repair or replace damaged parts.
DTC
Trouble diagnosis name
DTC is detected if...
Possible cause
P0717
Input/Turbine Speed Sensor A
Circuit No Signal
The revolution of input speed
sensor 1 and/or 2 is 270 rpm or
less.
• Harness or connectors
(Sensor circuit is open.)
• Input speed sensor 1 and/or
2
SLCT LVR POSI
: D
GEAR
: 2nd, 3rd, 4th, 5th or 6th
VHCL/S SE-A/T
: More than 40 km/h (25 MPH)
W/O THL POS
: ON
ENGINE SPEED
: More than 1,500 rpm
TM-110
< DTC/CIRCUIT DIAGNOSIS >
[7AT: RE7R01B]
P0720 OUTPUT SPEED SENSOR
P0720 OUTPUT SPEED SENSOR
DTC Logic
INFOID:0000000006226810
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
• Always drive vehicle at a safe speed.
• Be careful not to rev engine into the red zone on the tachometer.
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” is previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before performing the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT-III
1.
Start the engine.
2.
Select “ESTM VSP SIG” in “Data Monitor” in “TRANSMISSION”.
3.
Drive vehicle and maintain the following conditions for 60 seconds or more.
4.
Perform “Self Diagnostic Results” in “TRANSMISSION”.
With GST
Follow the procedure “With CONSULT-III”.
Is “P0720” detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006226811
1.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
Is the inspection result normal?
DTC
Trouble diagnosis name
DTC is detected if...
Possible cause
P0720
Output Speed Sensor Circuit
• The vehicle speed detected
by the output speed sensor is
5 km/h (3MPH) or less when
the vehicle speed transmitted
from the combination meter
to TCM is 20 km/h or more.
(Only when starts after the ig-
nition switch is turned ON.)
• The vehicle speed transmit-
ted from the combination
meter to TCM does not de-
crease despite the 36 km/h
(23 MPH) or more of deceler-
ation in vehicle speed detect-
ed by the output speed
sensor. when the vehicle
speed detected by the output
speed sensor is 36 km/h (23
MPH) or more and the vehicle
speed transmitted from the
combination meter to TCM is
24 (15 MPH) or more.
• Harness or connectors
(Sensor circuit is open.)
• Output speed sensor
ESTM VSP SIG
: 40 km/h (25 MPH) or more
P0720 OUTPUT SPEED SENSOR
TM-111
< DTC/CIRCUIT DIAGNOSIS >
[7AT: RE7R01B]
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YES
>> GO TO 2.
NO
>> Repair or replace damaged parts.
2.
REPLACE OUTPUT SPEED SENSOR AND CHECK DTC
1.
Replace output speed sensor. Refer to
2.
Perform “DTC CONFIRMATION PROCEDURE”. Refer to
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace control valve & TCM. Refer to
TM-112
< DTC/CIRCUIT DIAGNOSIS >
[7AT: RE7R01B]
P0725 ENGINE SPEED
P0725 ENGINE SPEED
Description
INFOID:0000000006226812
The engine speed signal is transmitted from the ECM to the TCM via CAN communication line.
DTC Logic
INFOID:0000000006226813
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” is previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before performing the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT-III
1.
Start the engine.
2.
Select “SLCT LVR POSI” and “VHCL/S SE-A/T” in “Data Monitor” in “TRANSMISSION”.
3.
Drive vehicle and maintain the following conditions for 5 seconds or more.
4.
Perform “Self Diagnostic Results” in “TRANSMISSION”.
Is “P0725” detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006226814
1.
CHECK DTC OF ECM
With CONSULT-III
1.
Turn ignition switch ON.
2.
Perform “Self Diagnostic Results” in “ENGINE”.
Is any DTC detected?
YES
>> Check DTC detected item. Refer to
.
NO
>> GO TO 2.
2.
CHECK DTC OF TCM
With CONSULT-III
Perform “Self Diagnostic Results” in “TRANSMISSION”.
Is any DTC other than “P0725” detected?
YES
>> Check DTC detected item. Refer to
.
NO
>> GO TO 3.
DTC
Trouble diagnosis name
DTC is detected if...
Possible cause
P0725
Engine Speed Input Circuit
• TCM does not receive the
CAN communication signal
from the ECM.
• The engine speed is more
less 150 rpm even if the vehi-
cle speed is more than 10 km/
h (7 MPH).
Harness or connectors
(ECM to TCM circuit is open or
shorted.)
SLCT LVR POSI
: D
VHCL/S SE-A/T
: More than 10 km/h (7 MPH)
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