Infiniti EX37. Transaxle and Transmission (2013 year). Manual — part 7

P0735 5GR INCORRECT RATIO

TM-97

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A]

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3.

Keep the current driving status for 2 seconds or more if CONSULT screen changes from “OUT OF CON-
DITION” to “TESTING”.

CAUTION:

When “TESTING” is not indicated on CONSULT for a long time, check “Self Diagnostic Results” in
“TRANSMISSION”. When a DTC other than “P0735” is detected, check the DTC. Refer to

TM-156,

"DTC Index"

.

With GST

1.

Drive vehicle and maintain the following conditions for 2 seconds or more.

2.

Check DTC.

Is “OUT OF CONDITION”, “STOP VEHICLE” or “COMPLETED RESULT NG” displayed? / Is “P0735”
detected?

YES-1 (OUT OF CONDITION)>>Perform “Step 3” again.
YES-2 (STOP VEHICLE)>>GO TO 4.
YES-3 (COMPLETED RESULT NG)>>Go to

TM-97, "Diagnosis Procedure"

.

YES-4 (“P0735” is detected)>>Go to

TM-97, "Diagnosis Procedure"

.

NO

>> GO TO 4.

4.

CHECK SYMPTOM (PART 2)

1.

Stop vehicle.

2.

Drive vehicle in “D” position allowing it to shift from 1GR to 7GR and check shift timing and shift shock.

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000008285811

1.

CHECK INTERMITTENT INCIDENT

Refer to

GI-42, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace damaged parts.

2.

DETECT MALFUNCTIONING ITEM

Disassemble the A/T assembly to check component parts. Refer to

TM-232, "Disassembly"

.

NOTE:
Check the component parts, referring to “Possible cause” in “DTC DETECTION LOGIC”. Refer to

TM-96,

"DTC Logic"

.

Is the inspection result normal?

YES

>> Replace control valve & TCM. Refer to

TM-185, "Removal and Installation"

.

NO

>> Repair or replace damaged parts.

GEAR

: 5th

ACCELE POSI

: 0.7/8 or more

VEHICLE SPEED

: 10 km/h (7 MPH) or more

Selector lever

: “M” position

Gear position

: 5th

Accelerator pedal opening

: 0.7/8 or more

Vehicle speed

: 10 km/h (7 MPH) or more

2013 EX

TM-98

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A]

P0740 TORQUE CONVERTER

P0740 TORQUE CONVERTER

Description

INFOID:0000000008285812

• The torque converter clutch solenoid valve is activated, with the gear in D

2

, D

3

, D

4

, D

5

, D

6

, D

7

, M2, M3, M4,

M5, M6 and M7 by the TCM in response to signals transmitted from the vehicle speed sensor and accelera-
tor pedal position sensor (throttle position sensor). Torque converter clutch piston operation will then be con-
trolled.

• Lock-up operation, however, is prohibited when A/T fluid temperature is too low.
• When the accelerator pedal is depressed (less than 1.0/8) in lock-up condition, the engine speed should not

change abruptly. If there is a big jump in engine speed, there is no lock-up.

DTC Logic

INFOID:0000000008285813

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Always drive vehicle at a safe speed.

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Start the engine.

2.

Select “BATTERY VOLT”, “MANU MODE SW”, “GEAR” and “VEHICLE SPEED” in “Data Monitor” in
“TRANSMISSION”.

3.

Drive vehicle and maintain the following conditions for 30 seconds or more.
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”.
Is “P0740” detected?

YES

>> Go to

TM-98, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000008285814

1.

CHECK INTERMITTENT INCIDENT

DTC

Trouble diagnosis name

DTC is detected if...

Possible cause

P0740

Torque Converter Clutch Cir-
cuit/Open

The torque converter clutch so-
lenoid valve monitor value is 0.2
A or less when the torque con-
verter clutch solenoid valve
command value is more than
0.75 A.

• Harness or connectors

(Solenoid valve circuit is
open or shorted.)

• Torque converter clutch sole-

noid valve

BATTERY VOLT

: 9 V or more

MANU MODE SW

: ON

GEAR

: 2nd

VEHICLE SPEED

: 40 km/h (25 MPH) or more

2013 EX

P0740 TORQUE CONVERTER

TM-99

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A]

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Refer to

GI-42, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace control valve & TCM. Refer to

TM-185, "Removal and Installation"

.

NO

>> Repair or replace damaged parts.

2013 EX

TM-100

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A]

P0744 TORQUE CONVERTER

P0744 TORQUE CONVERTER

Description

INFOID:0000000008285815

This malfunction is detected when the A/T does not lock-up. This is not only caused by electrical malfunction
(circuits open or shorted) but also by mechanical malfunction such as control valve sticking, improper solenoid
valve operation, etc.

DTC Logic

INFOID:0000000008285816

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Always drive vehicle at a safe speed.

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Start the engine.

2.

Select “MANU MODE SW”, “GEAR” and “VEHICLE SPEED” in “Data Monitor” in “TRANSMISSION”.

3.

Drive vehicle and maintain the following conditions for 10 seconds or more.
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”.
Is “P0744” detected?

YES

>> Go to

TM-100, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000008285817

1.

CHECK INTERMITTENT INCIDENT

Refer to

GI-42, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace damaged parts.

2.

DETECT MALFUNCTIONING ITEM

DTC

Trouble diagnosis name

DTC is detected if...

Possible cause

P0744

Torque Converter Clutch Circuit
Intermittent

The lock-up is not performed in
spite of within the lock-up area.

• Harness or connectors
• Torque converter clutch sole-

noid valve

• Torque converter
• Input speed sensor 1, 2
• Hydraulic control circuit

MANU MODE SW

: ON

GEAR

: 2nd

VEHICLE SPEED

: 40 km/h (25 MPH) or more

2013 EX

P0744 TORQUE CONVERTER

TM-101

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A]

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Disassemble the A/T assembly to check component parts. Refer to

TM-232, "Disassembly"

.

NOTE:
Check the component parts, referring to “Possible cause” in “DTC DETECTION LOGIC”. Refer to

TM-100,

"DTC Logic"

.

Is the inspection result normal?

YES

>> Replace control valve & TCM. Refer to

TM-185, "Removal and Installation"

.

NO

>> Repair or replace damaged parts.

2013 EX

TM-102

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A]

P0745 PRESSURE CONTROL SOLENOID A

P0745 PRESSURE CONTROL SOLENOID A

Description

INFOID:0000000008285818

The line pressure solenoid valve regulates the oil pump discharge pressure to suit the driving condition in
response to a signal transmitted from the TCM.

DTC Logic

INFOID:0000000008285819

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Start the engine.

2.

Select “BATTERY VOLT” and “SLCT LVR POSI” in “Data Monitor” in “TRANSMISSION”.

3.

Shift the selector lever to “N” position.

4.

Maintain the following conditions for 5 seconds or more.

5.

Perform “Self Diagnostic Results” in “TRANSMISSION”.

With GST

Follow the procedure “With CONSULT”.

Is “P0745” detected?

YES

>> Go to

TM-102, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000008285820

1.

CHECK INTERMITTENT INCIDENT

Refer to

GI-42, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace control valve & TCM. Refer to

TM-185, "Removal and Installation"

.

NO

>> Repair or replace damaged parts.

DTC

Trouble diagnosis name

DTC is detected if...

Possible cause

P0745

Pressure Control Solenoid A

The line pressure solenoid
valve monitor value is 0.2 A or
less when the line pressure so-
lenoid valve command value is
more than 0.75 A.

• Harness or connectors

(Solenoid valve circuit is
open or shorted.)

• Line pressure solenoid valve

BATTERY VOLT

: 9 V or more

SLCT LVR POSI

: N/P

2013 EX

P0750 SHIFT SOLENOID A

TM-103

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A]

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P0750 SHIFT SOLENOID A

Description

INFOID:0000000008285821

• Anti-interlock solenoid valve prevents the simultaneous activation of the input clutch and the low brake.
• The anti-interlock solenoid valve is an ON/OFF type solenoid valve.

DTC Logic

INFOID:0000000008285822

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Always drive vehicle at a safe speed.

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Start the engine.

2.

Select “BATTERY VOLT”, “MANU MODE SW”, “GEAR” 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”.

With GST

Follow the procedure “With CONSULT”.

Is “P0750” detected?

YES

>> Go to

TM-103, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000008285823

1.

CHECK INTERMITTENT INCIDENT

Refer to

GI-42, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace control valve & TCM. Refer to

TM-185, "Removal and Installation"

.

NO

>> Repair or replace damaged parts.

DTC

Trouble diagnosis name

DTC is detected if...

Possible cause

P0750

Shift Solenoid A

• The anti-interlock solenoid

valve monitor value is ON
when the anti-interlock sole-
noid valve command value is
OFF.

• The anti-interlock solenoid

valve monitor value is OFF
when the anti-interlock sole-
noid valve command value is
ON.

• Harness or connectors

(Solenoid valve circuit is
open or shorted.)

• Anti-interlock solenoid valve

BATTERY VOLT

: 9 V or more

MANU MODE SW

: ON

GEAR

: 1st

VHCL/S SE-A/T

: 10 km/h (7 MPH) or more

2013 EX

TM-104

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A]

P0775 PRESSURE CONTROL SOLENOID B

P0775 PRESSURE CONTROL SOLENOID B

Description

INFOID:0000000008285824

• The Input clutch solenoid valve is controlled by the TCM in response to signals transmitted from the trans-

mission range switch, output speed sensor and accelerator pedal position sensor (throttle position sensor).
Gears will then be shifted to the optimum position.

• The Input clutch solenoid valve controls the input clutch control valve in response to a signal transmitted

from the TCM.

DTC Logic

INFOID:0000000008285825

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Always drive vehicle at a safe speed.

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Start the engine.

2.

Select “BATTERY VOLT”, “MANU MODE SW”, “GEAR” 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”.

With GST

Follow the procedure “With CONSULT”.
Is “P0775” detected?

YES

>> Go to

TM-104, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000008285826

1.

CHECK INTERMITTENT INCIDENT

Refer to

GI-42, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace control valve & TCM. Refer to

TM-185, "Removal and Installation"

.

NO

>> Repair or replace damaged parts.

DTC

Trouble diagnosis name

DTC is detected if...

Possible cause

P0775

Pressure Control Solenoid B

The input clutch solenoid valve
monitor value is 0.2 A or less
when the input clutch solenoid
valve command value is more
than 0.75 A.

• Harness or connectors

(Solenoid valve circuit is
open or shorted.)

• Input clutch solenoid valve

BATTERY VOLT

: 9 V or more

MANU MODE SW

: ON

GEAR

: 1st

VHCL/S SE-A/T

: 10 km/h (7 MPH) or more

2013 EX

P0780 SHIFT

TM-105

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A]

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P0780 SHIFT

Description

INFOID:0000000008285827

The TCM detects the malfunction of low brake solenoid valve. This is not only caused by electrical malfunction
(circuits open or shorted) but also by mechanical malfunction such as control valve sticking, improper solenoid
valve operation, etc.

DTC Logic

INFOID:0000000008285828

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

• “

TM-105, "Diagnosis Procedure"

” must be performed before starting “DTC CONFIRMATION PROCE-

DURE”.

• Never perform “DTC CONFIRMATION PROCEDURE” before completing the repair, which may cause

secondary malfunction.

• Always drive vehicle at a safe speed.

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Start the engine.

2.

Select “SLCT LVR POSI”, “ACCELE POSI” and “GEAR” in “Data Monitor” in “TRANSMISSION”.

3.

Drive vehicle and maintain the following conditions.

4.

Perform “Self Diagnostic Results” in “TRANSMISSION”.

With GST

Follow the procedure “With CONSULT”.

Is “P0780” detected?

YES

>> Go to

TM-105, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000008285829

1.

CHECK INTERMITTENT INCIDENT

Refer to

GI-42, "Intermittent Incident"

.

Is the inspection result normal?

DTC

Trouble diagnosis name

DTC is detected if...

Possible cause

P0780

Shift Error

• When shifting from 3GR to

4GR with the selector lever in
“D” position, the gear ratio
does not shift to 1.412 (gear
ratio of 4th).

• When shifting from 5GR to

6GR or 6GR to 7GR, the en-
gine speed exceeds the pre-
scribed speed.

• Anti-interlock solenoid valve
• Low brake solenoid valve
• Hydraulic control circuit

SLCT LVR POSI

: D

ACCELE POSI

: More than 1.0/8

GEAR

: 3rd

→

4th or 5th

→

6th

→

7th

2013 EX

TM-106

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A]

P0780 SHIFT

YES

>> GO TO 2.

NO

>> Repair or replace damaged parts.

2.

DETECT MALFUNCTIONING ITEM

Disassemble the A/T assembly to check component parts. Refer to

TM-232, "Disassembly"

.

NOTE:
Check the component parts, referring to “Possible cause” in “DTC DETECTION LOGIC”. Refer to

TM-105,

"DTC Logic"

.

Is the inspection result normal?

YES

>> Replace control valve & TCM. Refer to

TM-185, "Removal and Installation"

.

NO

>> Repair or replace damaged parts.

2013 EX

P0795 PRESSURE CONTROL SOLENOID C

TM-107

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A]

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P0795 PRESSURE CONTROL SOLENOID C

Description

INFOID:0000000008285830

• The front brake solenoid valve is controlled by the TCM in response to signals transmitted from the transmis-

sion range switch, output speed sensor and accelerator pedal position sensor (throttle position sensor).
Gears will then be shifted to the optimum position.

• The front brake solenoid valve controls the front brake control valve in response to a signal transmitted from

the TCM.

DTC Logic

INFOID:0000000008285831

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Always drive vehicle at a safe speed.

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Start the engine.

2.

Select “BATTERY VOLT”, “MANU MODE SW”, “GEAR” 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”.

With GST

Follow the procedure “With CONSULT”.
Is “P0795” detected?

YES

>> Go to

TM-107, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000008285832

1.

CHECK INTERMITTENT INCIDENT

Refer to

GI-42, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace control valve & TCM. Refer to

TM-185, "Removal and Installation"

.

NO

>> Repair or replace damaged parts.

DTC

Trouble diagnosis name

DTC is detected if...

Possible cause

P0795

Pressure Control Solenoid C

The front brake solenoid valve
monitor value is 0.2 A or less
when the front brake solenoid
valve command value is more
than 0.75 A.

• Harness or connectors

(Solenoid valve circuit is
open or shorted.)

• Front brake solenoid valve

BATTERY VOLT

: 9 V or more

MANU MODE SW

: ON

GEAR

: 7th

VHCL/S SE-A/T

: 10 km/h (7 MPH) or more

2013 EX

TM-108

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A]

P1705 TP SENSOR

P1705 TP SENSOR

Description

INFOID:0000000008285833

• The accelerator pedal position sensor is installed on the upper end of the accelerator pedal assembly.
• The accelerator pedal position sensor detects the accelerator position.
• The accelerator pedal position sensor transform the accelerator pedal position into output voltage, and emit

the voltage signal to the ECM.

• The TCM receives accelerator pedal position signal from the ECM via CAN communication.

DTC Logic

INFOID:0000000008285834

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

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 “P1705” detected?

YES

>> Go to

TM-108, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000008285835

1.

CHECK DTC OF ECM

With CONSULT

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Results” in “ENGINE”.

Is any DTC detected?

YES

>> Check DTC detected item. Refer to

EC-578, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK DTC OF TCM

With CONSULT

Perform “Self Diagnostic Results” in “TRANSMISSION”.

Is any DTC other than “P1705” detected?

YES

>> Check DTC detected item. Refer to

TM-156, "DTC Index"

.

NO

>> GO TO 3.

DTC

Trouble diagnosis name

DTC is detected if...

Possible cause

P1705

Accelerator Pedal Position Sen-
sor Signal Circuit

TCM detects the difference be-
tween two accelerator pedal po-
sition signals received from
ECM via CAN communication.

Harness or connectors
(Sensor circuit is open or short-
ed.)

SLCT LVR POSI

: D

VHCL/S SE-A/T

: 5 km/h (3 MPH) or more

2013 EX

P1705 TP SENSOR

TM-109

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A]

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3.

CHECK INTERMITTENT INCIDENT

Refer to

GI-42, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace control valve & TCM. Refer to

TM-185, "Removal and Installation"

.

NO

>> Repair or replace damaged parts.

2013 EX

TM-110

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A]

P1721 VEHICLE SPEED SIGNAL

P1721 VEHICLE SPEED SIGNAL

Description

INFOID:0000000008285836

The vehicle speed signal is transmitted from unified meter and A/C amp. to TCM by CAN communication line.
The signal functions as an auxiliary device to the output speed sensor when it is malfunctioning. The TCM will
then use the vehicle speed signal.

DTC Logic

INFOID:0000000008285837

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” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Start the engine.

2.

Select “VHCL/S SE-A/T” 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”.

Is “P1721” detected?

YES

>> Go to

TM-111, "Diagnosis Procedure"

.

NO

>> INSPECTION END

DTC

Trouble diagnosis name

DTC is detected if...

Possible cause

P1721

Vehicle Speed Signal Circuit

• The vehicle speed transmit-

ted from the unified meter
and A/C amp. to TCM is 5 km/
h (3 MPH) or less when the
vehicle speed detected by
the output speed sensor is 20
km/h (12 MPH) or more.
(Only when starts after the ig-
nition switch is turned ON.)

• The vehicle speed detected

by the output speed sensor
does not decrease despite
the 36 km/h (23 MPH) or
more of deceleration in vehi-
cle speed received from the
unified meter and A/C amp.
when the vehicle speed
transmitted from the unified
meter and A/C amp. to TCM
is 36 km/h (23 MPH) or more
and the vehicle speed detect-
ed by the output speed sen-
sor is 24 km/h (15 MPH) or
more.

Harness or connectors
(Sensor circuit is open or short-
ed.)

VHCL/S SE-A/T

: 40 km/h (25 MPH) or more

2013 EX

P1721 VEHICLE SPEED SIGNAL

TM-111

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A]

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B

TM

N

O

P

Diagnosis Procedure

INFOID:0000000008285838

1.

CHECK DTC OF UNIFIED METER AND A/C AMP.

With CONSULT

Perform “Self Diagnostic Results” in “METER/M&A”.
Is any DTC detected?

YES

>> Check DTC detected item. Refer to

MWI-110, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK DTC OF TCM

With CONSULT

Perform “Self Diagnostic Results” in “TRANSMISSION”.

Is any DTC other than “P1721” detected?

YES

>> Check DTC detected item. Refer to

TM-156, "DTC Index"

.

NO

>> GO TO 3.

3.

CHECK INTERMITTENT INCIDENT

Refer to

GI-42, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace control valve & TCM. Refer to

TM-185, "Removal and Installation"

.

NO

>> Repair or replace damaged parts.

2013 EX

TM-112

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A]

P1730 INTERLOCK

P1730 INTERLOCK

Description

INFOID:0000000008285839

Fail-safe function to detect interlock conditions.

DTC Logic

INFOID:0000000008285840

DTC DETECTION LOGIC

NOTE:
When the vehicle is driven fixed in 2GR, an input speed sensor malfunction is displayed, but this is
not an input speed sensor malfunction.

DTC CONFIRMATION PROCEDURE

CAUTION:

• “

TM-113, "Diagnosis Procedure"

” must be performed before starting “DTC CONFIRMATION PROCE-

DURE”.

• Never perform “DTC CONFIRMATION PROCEDURE” before completing the repair, which may cause

secondary malfunction.

• Always drive vehicle at a safe speed.

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Start the engine.

2.

Select “SLCT LVR POSI” and “GEAR” in “Data Monitor” in “TRANSMISSION”.

3.

Drive vehicle the following condition.

4.

Perform “Self Diagnostic Results” in “TRANSMISSION”.

With GST

Follow the procedure “With CONSULT”.

Is “P1730” detected?

YES

>> Go to

TM-113, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Judgment of A/T Interlock

INFOID:0000000008285841

Refer to

TM-151, "Fail-Safe"

.

DTC

Trouble diagnosis name

DTC is detected if...

Possible cause

P1730

Interlock

The output speed sensor de-
tects the deceleration of 12 km/
h (7 MPH) or more for 1 sec-
ond.

• Harness or connectors

(Solenoid valve circuit is open
or shorted.)

• Input clutch solenoid valve
• Direct clutch solenoid valve
• High and low reverse clutch

solenoid valve

• Front brake solenoid valve
• Low brake solenoid valve
• 2346 brake solenoid valve
• Anti-interlock solenoid valve
• Each clutch
• Hydraulic control circuit

SLCT LVR POSI

: D

GEAR

: 1st through 7th

2013 EX