2011 INFINITI QX56 Factory Service Manual

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Page 5209 of 5598

INFINITI QX56 2011 Factory Service Manual
P0732 2GR INCORRECT RATIOTM-121
< DTC/CIRCUIT DIAGNOSIS > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
3. Keep the current driving status for 2 seconds or more if CONSULT-III screen changes from �

Page 5210 of 5598

INFINITI QX56 2011 Factory Service Manual
TM-122
< DTC/CIRCUIT DIAGNOSIS >[7AT: RE7R01B]
P0733 3GR INCORRECT RATIO
P0733 3GR INCORRECT RATIO
DescriptionINFOID:0000000006226827
This malfunction is detected when the A/T does not shift
into 3G

TM-122
< DTC/CIRCUIT DIAGNOSIS >[7AT: RE7R01B]
P0733 3GR INCORRECT RATIO
P0733 3GR INCORRECT RATIO
DescriptionINFOID:0000000006226827
This malfunction is detected when the A/T does not shift
into 3GR position as instructed by TCM. This is not
only caused by electrical malfunction (circuits open or s horted) but by mechanical malfunction such as control
valve sticking, improper solenoid valve operation, etc.
DTC LogicINFOID:0000000006226828
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
“ TM-123, "
Diagnosis Procedure"” must be performed before star ting “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” is previously c onducted, always turn ignition switch OFF and wait at
least 10 seconds before performing the next test.
>> GO TO 2.
2.CHECK ATF TEMPERATURE
With CONSULT-III
1. Start the engine.
2. Select “ATF TEMP 1” in “Data Monitor” in “TRANSMISSION”.
3. Check ATF temperature is in the following range.
With GST
1. Start the engine.
2. Drive vehicle for approximately 5 minutes in urban areas.
Is ATF temperature within specified range?
YES >> GO TO 3.
NO >> Drive vehicle to warm ATF or stop engine to cool ATF.
3.CHECK SYMPTOM (PART 1)
With CONSULT-III
1. Select “3RD GR FNCTN P0733” in “DTC & SRT confirmation” in “TRANSMISSION”.
2. Drive vehicle with manual mode and maintain the following conditions.
DTC Trouble diagnosis name DTC is detected if... Possible cause
P0733 Gear 3 Incorrect Ratio The gear ratio is:
2.148 or more
1.906 or less 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 and brake
Output speed sensor
Input speed sensor 1, 2
Hydraulic control circuit
ATF TEMP 1 : 20 °C (68 °F) – 140 °C (284 °F)
Revision: 2010 May2011 QX56

Page 5211 of 5598

INFINITI QX56 2011 Factory Service Manual
P0733 3GR INCORRECT RATIOTM-123
< DTC/CIRCUIT DIAGNOSIS > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
3. Keep the current driving status for 2 seconds or more if CONSULT-III screen changes from �

Page 5212 of 5598

INFINITI QX56 2011 Factory Service Manual
TM-124
< DTC/CIRCUIT DIAGNOSIS >[7AT: RE7R01B]
P0734 4GR INCORRECT RATIO
P0734 4GR INCORRECT RATIO
DescriptionINFOID:0000000006226830
This malfunction is detected when the A/T does not shift
into 4G

TM-124
< DTC/CIRCUIT DIAGNOSIS >[7AT: RE7R01B]
P0734 4GR INCORRECT RATIO
P0734 4GR INCORRECT RATIO
DescriptionINFOID:0000000006226830
This malfunction is detected when the A/T does not shift
into 4GR position as instructed by TCM. This is not
only caused by electrical malfunction (circuits open or s horted) but by mechanical malfunction such as control
valve sticking, improper solenoid valve operation, etc.
DTC LogicINFOID:0000000006226831
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
“ TM-125, "
Diagnosis Procedure"” must be performed before star ting “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” is previously c onducted, always turn ignition switch OFF and wait at
least 10 seconds before performing the next test.
>> GO TO 2.
2.CHECK ATF TEMPERATURE
With CONSULT-III
1. Start the engine.
2. Select “ATF TEMP 1” in “Data Monitor” in “TRANSMISSION”.
3. Check ATF temperature is in the following range.
With GST
1. Start the engine.
2. Drive vehicle for approximately 5 minutes in urban areas.
Is ATF temperature within specified range?
YES >> GO TO 3.
NO >> Drive vehicle to warm ATF or stop engine to cool ATF.
3.CHECK SYMPTOM (PART 1)
With CONSULT-III
1. Select “4TH GR FNCTN P0734” in “DTC & SRT confirmation” in “TRANSMISSION”.
2. Drive vehicle with manual mode and maintain the following conditions.
DTC Trouble diagnosis name DTC is detected if... Possible cause
P0734 Gear 4 Incorrect Ratio The gear ratio is:
1.496 or more
1.328 or less 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 and brake
Output speed sensor
Input speed sensor 1, 2
Hydraulic co ntrol circuit
ATF TEMP 1 : 20 °C (68 °F) – 140 °C (284 °F)
Revision: 2010 May2011 QX56

Page 5213 of 5598

INFINITI QX56 2011 Factory Service Manual
P0734 4GR INCORRECT RATIOTM-125
< DTC/CIRCUIT DIAGNOSIS > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
3. Keep the current driving status for 2 seconds or more if CONSULT-III screen changes from �

Page 5214 of 5598

INFINITI QX56 2011 Factory Service Manual
TM-126
< DTC/CIRCUIT DIAGNOSIS >[7AT: RE7R01B]
P0735 5GR INCORRECT RATIO
P0735 5GR INCORRECT RATIO
DescriptionINFOID:0000000006226833
This malfunction is detected when the A/T does not shift
into 5G

TM-126
< DTC/CIRCUIT DIAGNOSIS >[7AT: RE7R01B]
P0735 5GR INCORRECT RATIO
P0735 5GR INCORRECT RATIO
DescriptionINFOID:0000000006226833
This malfunction is detected when the A/T does not shift
into 5GR position as instructed by TCM. This is not
only caused by electrical malfunction (circuits open or s horted) but by mechanical malfunction such as control
valve sticking, improper solenoid valve operation, etc.
DTC LogicINFOID:0000000006226834
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
“ TM-127, "
Diagnosis Procedure"” must be performed before star ting “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” is previously c onducted, always turn ignition switch OFF and wait at
least 10 seconds before performing the next test.
>> GO TO 2.
2.CHECK ATF TEMPERATURE
With CONSULT-III
1. Start the engine.
2. Select “ATF TEMP 1” in “Data Monitor” in “TRANSMISSION”.
3. Check ATF temperature is in the following range.
With GST
1. Start the engine.
2. Drive vehicle for approximately 5 minutes in urban areas.
Is ATF temperature within specified range?
YES >> GO TO 3.
NO >> Drive vehicle to warm ATF or stop engine to cool ATF.
3.CHECK SYMPTOM (PART 1)
With CONSULT-III
1. Select “5TH GR FNCTN P0735” in “DTC & SRT confirmation” in “TRANSMISSION”.
2. Drive vehicle with manual mode and maintain the following conditions.
DTC Trouble diagnosis name DTC is detected if... Possible cause
P0735 Gear 5 Incorrect Circuit The gear ratio is:
1.060 or more
0.940 or less 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 and brake
Output speed sensor
Input speed sensor 1, 2
Hydraulic co ntrol circuit
ATF TEMP 1 : 20 °C (68 °F) – 140 °C (284 °F)
Revision: 2010 May2011 QX56

Page 5215 of 5598

INFINITI QX56 2011 Factory Service Manual
P0735 5GR INCORRECT RATIOTM-127
< DTC/CIRCUIT DIAGNOSIS > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
3. Keep the current driving status for 2 seconds or more if CONSULT-III screen changes from �

Page 5216 of 5598

INFINITI QX56 2011 Factory Service Manual
TM-128
< DTC/CIRCUIT DIAGNOSIS >[7AT: RE7R01B]
P0740 TORQUE CONVERTER
P0740 TORQUE CONVERTER
DTC LogicINFOID:0000000006226836
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehi

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