2007 INFINITI M35 Factory Service Manual

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Page 217 of 4647

INFINITI M35 2007 Factory Service Manual AT-138
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
Revision: 2007 April2007 M35/M45
5. CHECK A/T FLUID TEMPERATURE SENSOR 2
Check A/T fluid temperature sensor 2. Refer to AT- 1 3 9 , "
A/T FLUID

Page 218 of 4647

INFINITI M35 2007 Factory Service Manual DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
AT-139
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Revision: 2007 April2007 M35/M45
Component InspectionNCS001MM
A/T FLUID TEMPERATURE SENSOR 1
1. Remove control valve wit

Page 219 of 4647

INFINITI M35 2007 Factory Service Manual AT-140
DTC P1721 VEHICLE SPEED SENSOR MTR
Revision: 2007 April2007 M35/M45
DTC P1721 VEHICLE SPEED SENSOR MTRPFP:24814
DescriptionNCS001MN
The vehicle speed sensor·MTR signal is transmitted from comb

Page 220 of 4647

INFINITI M35 2007 Factory Service Manual DTC P1721 VEHICLE SPEED SENSOR MTR
AT-141
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Revision: 2007 April2007 M35/M45
Diagnostic ProcedureNCS001MS
1. CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to A

Page 221 of 4647

INFINITI M35 2007 Factory Service Manual AT-142
DTC P1730 A/T INTERLOCK
Revision: 2007 April2007 M35/M45
DTC P1730 A/T INTERLOCKPFP:00000
DescriptionNCS001MT
Fail-safe function to detect interlock conditions.
On Board Diagnosis LogicNCS001MU

Page 222 of 4647

INFINITI M35 2007 Factory Service Manual DTC P1730 A/T INTERLOCK
AT-143
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Revision: 2007 April2007 M35/M45
Judgement of A/T InterlockNCS001MX
When A/T Interlock is judged to be malfunctioning, the vehicle should be fi

Page 223 of 4647

INFINITI M35 2007 Factory Service Manual AT-144
DTC P1730 A/T INTERLOCK
Revision: 2007 April2007 M35/M45
3. CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to AT- 1 8 0 , "
MAIN POWER SUPPLY AND GR

Page 224 of 4647

INFINITI M35 2007 Factory Service Manual DTC P1731 A/T 1ST ENGINE BRAKING
AT-145
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Revision: 2007 April2007 M35/M45
DTC P1731 A/T 1ST ENGINE BRAKINGPFP:00000
DescriptionNCS001MZ
Fail-safe function to prevent sudden de

DTC P1731 A/T 1ST ENGINE BRAKING
AT-145
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Revision: 2007 April2007 M35/M45
DTC P1731 A/T 1ST ENGINE BRAKINGPFP:00000
DescriptionNCS001MZ
Fail-safe function to prevent sudden decrease in speed by engine brake other than at M1 position.
CONSULT-II Reference ValueNCS001N0
On Board Diagnosis LogicNCS001N1
This is not an OBD-II self-diagnostic item.
Diagnostic trouble code “P1731 A/T 1ST E/BRAKING” with CONSULT-II or 13th judgement flicker without
CONSULT-II is detected under the following conditions.
–When TCM does not receive the proper voltage signal from the sensor.
–When TCM monitors each ATF pressure switch and solenoid monitor value, and detects as irregular when
engine brake of 1st gear acts other than at M1 position.
Possible CauseNCS001N2
Harness or connectors
(Sensor circuit is open or shorted.)
Low coast brake solenoid valve
ATF pressure switch 2
DTC Confirmation ProcedureNCS001N3
CAUTION:
Always drive vehicle at a safe speed.
Be careful not to rev engine into the red zone on the tachometer.
NOTE:
If “DTC Confirmation Procedure” has been previously preformed, always turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-II
1. Turn ignition switch ON.
2. Select “SELECTION FROM MENU” in “DATA MONITOR” mode
for “A/T” with CONSULT-II and check monitor “ENGINE SPEED
”, “MANU MODE SW” and “GEAR”.
3. Touch “START”.
4. Start engine.
5. Drive vehicle and maintain the following conditions for at least 2
consecutive seconds.
ENGINE SPEED: 1,200 rpm
MANU MODE SW: ON
GEAR: “1” position
6. If DTC is detected, go to AT- 1 4 6 , "
Diagnostic Procedure" .
Item name Condition Display value
ON OFF SOLLow coast brake engaged. Refer to AT- 2 1
.ON
Low coast brake disengaged. Refer to AT- 2 1
.OFF
ATF PRES SW 2Low coast brake engaged. Refer to AT- 2 1
.ON
Low coast brake disengaged. Refer to AT- 2 1
.OFF
BCIA0030E

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