2009 INFINITI QX56 transmission

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Page 3710 of 4171

INFINITI QX56 2009  Factory Service Manual 
TM-62
< COMPONENT DIAGNOSIS >
P0735 5GR INCORRECT RATIO
P0735 5GR INCORRECT RATIO
DescriptionINFOID:0000000003771885
This malfunction is detected when the A/T does not shift into 5GR position as inst

Page 3711 of 4171

INFINITI QX56 2009  Factory Service Manual 
P0735 5GR INCORRECT RATIOTM-63
< COMPONENT DIAGNOSIS >
CEF
G H
I
J
K L
M A
B
TM
N
O P
Diagnosis ProcedureINFOID:0000000003771889
1.CHECK CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to  TM-32

Page 3712 of 4171

INFINITI QX56 2009  Factory Service Manual 
TM-64
< COMPONENT DIAGNOSIS >
P0740 TORQUE CONVERTER
P0740 TORQUE CONVERTER
DescriptionINFOID:0000000003771890
 The torque converter clutch solenoid valve is activated, with the gear in D4, D5 by th

Page 3715 of 4171

INFINITI QX56 2009  Factory Service Manual 
P0744 TORQUE CONVERTERTM-67
< COMPONENT DIAGNOSIS >
CEF
G H
I
J
K L
M A
B
TM
N
O P
Diagnosis ProcedureINFOID:0000000003771901
1.CHECK INPUT SIGNAL
With CONSULT-III
1. Turn ignition switch “ON”.

Page 3716 of 4171

INFINITI QX56 2009  Factory Service Manual 
TM-68
< COMPONENT DIAGNOSIS >
P0745 PRESSURE CONTROL SOLENOID A
P0745 PRESSURE CONTROL SOLENOID A
DescriptionINFOID:0000000003771902
The line pressure solenoid valve regulates the oil pump discharge

Page 3718 of 4171

INFINITI QX56 2009  Factory Service Manual 
TM-70
< COMPONENT DIAGNOSIS >
P1705 TP SENSOR
P1705 TP SENSOR
DescriptionINFOID:0000000003771908
Electric throttle control actuator consists of throttle control motor, accelerator pedal position sens

Page 3719 of 4171

INFINITI QX56 2009  Factory Service Manual 
P1705 TP SENSORTM-71
< COMPONENT DIAGNOSIS >
CEF
G H
I
J
K L
M A
B
TM
N
O P
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3.CHECK DTC WITH ECM 
With CONSULT-III
1. Turn ignition switch “ON”. (Do not sta

Page 3720 of 4171

INFINITI QX56 2009  Factory Service Manual 
TM-72
< COMPONENT DIAGNOSIS >
P1710 TRANSMISSION FLUID TEMPERATURE SENSOR
P1710 TRANSMISSION FLUID TEMPERATURE SENSOR
DescriptionINFOID:0000000003771914
The A/T fluid temperature sensor detects the A