2007 INFINITI QX56 Factory Service Manual

Page 145 of 3061

INFINITI QX56 2007  Factory Service Manual TROUBLE DIAGNOSIS
AT-75
< SERVICE INFORMATION >
D
E
F
G
H
I
J
K
L
MA
B
AT
N
O
P
39
Slips/Will 
Not En-
gageWhile accelerating in 
3rd, engine races or 
slippage occurs.ON vehicle1. Fluid level and sta

Page 146 of 3061

INFINITI QX56 2007  Factory Service Manual AT-76
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
41
Slips/Will 
Not En-
gage While accelerating in 
5th, engine races or 
slippage occurs.ON vehicle1. Fluid level and stateAT- 5 1
2. Line pressure test

Page 147 of 3061

INFINITI QX56 2007  Factory Service Manual TROUBLE DIAGNOSIS
AT-77
< SERVICE INFORMATION >
D
E
F
G
H
I
J
K
L
MA
B
AT
N
O
P44
Slips/Will 
Not En-
gageVehicle cannot run in 
all positions.ON vehicle1. Fluid level and stateAT- 5 1
2. Line pressur

Page 148 of 3061

INFINITI QX56 2007  Factory Service Manual AT-78
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
48
OthersShift point is low in “D” 
position.ON vehicle1. Vehicle speed sensor A/T and vehicle speed sensor MTRAT- 1 0 5
, 
AT- 1 2 4
2. Accelerator

Page 149 of 3061

INFINITI QX56 2007  Factory Service Manual TROUBLE DIAGNOSIS
AT-79
< SERVICE INFORMATION >
D
E
F
G
H
I
J
K
L
MA
B
AT
N
O
P53
OthersVehicle dose not de-
celerate by engine 
brake.
Refer to AT- 1 9 9 ,  "Ve -
hicle Does Not Decel-
erate By Engin

Page 150 of 3061

INFINITI QX56 2007  Factory Service Manual AT-80
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
56
OthersMaximum speed low.ON vehicle1. Fluid level and stateAT- 5 1
2. Line pressure testAT- 5 1
3. Accelerator pedal position sensorAT- 11 7
4. CAN co

Page 151 of 3061

INFINITI QX56 2007  Factory Service Manual TROUBLE DIAGNOSIS
AT-81
< SERVICE INFORMATION >
D
E
F
G
H
I
J
K
L
MA
B
AT
N
O
P
60
OthersVehicle runs with 
transmission in “N” po-
sition.
Refer to AT- 1 6 9 ,  "In 
"N" Position, Vehicle 
Moves"

Page 152 of 3061

INFINITI QX56 2007  Factory Service Manual AT-82
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
TCM Input/Output Signal Reference Value
INFOID:0000000003532258
A/T ASSEMBLY HARNESS CONNECTOR TERMINAL LAYOUT 
TERMINAL AND REFERENCE VALUES FOR TCM
Da