Infiniti G35 (V35) Sedan. Manual - part 1360

 

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Infiniti G35 (V35) Sedan. Manual - part 1360

 

 

TM-132

< COMPONENT DIAGNOSIS >

[5AT: RE5R05A]

P0725 ENGINE SPEED SIGNAL

NO

>> Check DTC detected item. Refer to 

TM-114, "CONSULT-III Function (TRANSMISSION)"

.

3.

CHECK THE IGNITION SIGNAL CIRCUIT

1.

Start the engine.

2.

Select “DATA MONITOR”.

3.

While monitoring “ENGINE SPEED”, check for engine speed change corresponding to “ACCELE POSI”.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Check ignition signal circuit. Refer to 

EC-466, "Description"

.

4.

CHECK TCM POWER SUPPLY AND GROUND CIRCUIT

Check TCM power supply and ground circuit. Refer to 

TM-168, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace the control valve with TCM. Refer to 

TM-240, "Exploded View"

.

NO

>> Repair or replace damaged parts.

Item name

Condition

Value

ENGINE SPEED

Engine running

Closely matches the tachometer reading.

ACCELE POSI

Released accelerator pedal.

0.0/8

Fully depressed accelerator pedal

8.0/8

P0731 A/T 1ST GEAR FUNCTION

TM-133

< COMPONENT DIAGNOSIS >

[5AT: RE5R05A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

P0731 A/T 1ST GEAR FUNCTION

Description

INFOID:0000000000957032

This malfunction is detected when the A/T does not shift into 1st gear position as instructed by TCM. 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.

DTC Logic

INFOID:0000000000957033

DTC DETECTION LOGIC

*: This is an OBD-II self-diagnostic item.

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 and wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.

1.

CHECK ATF TEMPERATURE

  With CONSULT-III

1.

Start the engine.

2.

Select “DATA MONITOR”.

3.

Check ATF temperature is in the following range.

Is ATF temperature within specified range?

YES

>> GO TO 2.

NO

>> Drive vehicle to warm ATF or stop engine to cool ATF.

2.

CHECK SYMPTOM 1

  With CONSULT-III

1.

Select “1ST GR FNCTN P0731” of “DTC WORK SUPPORT”.

2.

Drive vehicle and maintain the following conditions.

DTC

Item

(CONSULT-III screen 

terms)

A/T CHECK indicator 
lamp judgment flicker

Diagnostic item is de-

tected when...

Possible cause

P0731*

AT 1ST GR FNCTN

18th

TCM detects any incon-
sistency in the actual 
gear ratio.

• Harness or connectors

(Solenoid circuits are 
open or shorted.)

• Input clutch solenoid 

valve

• Front brake solenoid 

valve

• Direct clutch solenoid 

valve

• High and low reverse 

clutch solenoid valve

• Each clutch
• Hydraulic control cir-

cuit

ATF TEMP 1

: 20

°

C – 140

°

C

VEHICLE SPEED

: 10 km/h (6 MPH) or more

ACCELE POSI

: 0.6/8 or more

ENGINE SPEED

: TURBINE REV – 50 rpm or more

TURBINE REV

: 300 rpm or more

TM-134

< COMPONENT DIAGNOSIS >

[5AT: RE5R05A]

P0731 A/T 1ST GEAR FUNCTION

3.

Keep the current driving status for at least 5 consecutive seconds if CONSULT-III screen changes from
“OUT OF CONDITION” to “TESTING”.

CAUTION:

If “TESTING” does not appear on CONSULT-III for a long time, select “SELF-DIAG RESULTS”. In
case a 1st trip DTC other than P0731 is shown, refer to applicable “TROUBLE DIAGNOSIS FOR
DTC”.

Is “STOP VEHICLE” or “COMPLETED RESULT NG” displayed?

“STOP VEHICLE”>>GO TO 3.
“COMPLETED RESULT NG”>>Go to 

TM-134, "Diagnosis Procedure"

.

3.

CHECK SYMPTOM 2

  With CONSULT-III

1.

Stop vehicle.

2.

Drive vehicle in “D” position allowing it to shift from 1st to 5th gear and check shift timing and shift shock.

Is the inspection result normal?

YES

>> Check Intermittent incident. Refer to 

GI-39, "Intermittent Incident"

.

NO

>> Go to 

TM-134, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000000957034

1.

CHECK TCM POWER SUPPLY AND GROUND CIRCUIT

Check TCM power supply and ground circuit. Refer to 

TM-168, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace damaged parts.

2.

REPLACE CONTROL VALVE WITH TCM

1.

Replace control valve with TCM. Refer to 

TM-240, "Exploded View"

.

2.

Perform “DTC CONFIRMATION PROCEDURE”. Refer to 

TM-133, "DTC Logic"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Confirm malfunction phenomena by “ROAD TEST” to repair malfunctioning part. Refer to 

TM-226,

"Description"

.

GEAR

: “1” position

Manual mode

: ON

P0732 A/T 2ND GEAR FUNCTION

TM-135

< COMPONENT DIAGNOSIS >

[5AT: RE5R05A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

P0732 A/T 2ND GEAR FUNCTION

Description

INFOID:0000000000957035

This malfunction is detected when the A/T does not shift into 2nd gear position as instructed by TCM. 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.

DTC Logic

INFOID:0000000000957036

DTC DETECTION LOGIC

*: This is an OBD-II self-diagnostic item.

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 and wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.

1.

CHECK ATF TEMPERATURE

  With CONSULT-III

1.

Start the engine.

2.

Select “DATA MONITOR”.

3.

Check ATF temperature is in the following range.

Is ATF temperature within specified range?

YES

>> GO TO 2.

NO

>> Drive vehicle to warm ATF or stop engine to cool ATF.

2.

CHECK SYMPTOM 1

  With CONSULT-III

1.

Select “2ND GR FNCTN P0732” of “DTC WORK SUPPORT”.

2.

Drive vehicle and maintain the following conditions.

DTC

Item

(CONSULT-III screen 

terms)

A/T CHECK indicator 
lamp judgment flicker

Diagnostic item is de-

tected when...

Possible cause

P0732*

AT 2ND GR FNCTN

19th

TCM detects any incon-
sistency in the actual 
gear ratio.

• Harness or connectors

(Solenoid circuits are 
open or shorted.)

• Input clutch solenoid 

valve

• Front brake solenoid 

valve

• Direct clutch solenoid 

valve

• High and low reverse 

clutch solenoid valve

• Each clutch
• Hydraulic control cir-

cuit

ATF TEMP 1

: 20

°

C – 140

°

C

VEHICLE SPEED

: 10 km/h (6 MPH) or more

ACCELE POSI

: 0.6/8 or more

ENGINE SPEED

: TURBINE REV 

 50 rpm or more

TURBINE REV

: 300 rpm or more

 

 

 

 

 

 

 

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