2010 INFINITI QX56 Factory Service Manual

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Page 3801 of 4210

INFINITI QX56 2010 Factory Service Manual TM-106
< ECU DIAGNOSIS >
TCM
ECU DIAGNOSIS
TCM
Reference ValueINFOID:0000000005148688
REFERENCE VALUES
NOTICE:
1. The CONSULT-III electrically displays shift timing and lock-up timing (that is, operat

TM-106
< ECU DIAGNOSIS >
TCM
ECU DIAGNOSIS
TCM
Reference ValueINFOID:0000000005148688
REFERENCE VALUES
NOTICE:
1. The CONSULT-III electrically displays shift timing and lock-up timing (that is, operation timing of eachsolenoid).
Check for time difference between actual shift timi ng and the CONSULT-III display. If the difference is
noticeable, mechanical parts (except solenoids, sens ors, etc.) may be malfunctioning. Check mechanical
parts using applicable diagnostic procedures.
2. Shift schedule (which implies gear position) display ed on CONSULT-III and that indicated in Service Man-
ual may differ slightly. This occurs because of the following reasons:
- Actual shift schedule has more or less tolerance or allowance,
- Shift schedule indicated in Service Manual refers to the point where shifts start, and
- Gear position displayed on CONSULT-III indicates the point where shifts are completed.
3. Display of solenoid valves on CONSULT-III changes at t he start of shifting, while gear position is displayed
upon completion of shifting (which is computed by TCM).
Item name Condition Display value (Approx.)
AT F T E M P S E 1 0°C (32 ° F) - 20 °C (68 °F) - 80 °C (176 °F) 3.3 - 2.7 - 0.9 V
TCC SOLENOID When perform slip lock-up.
0.2 - 0.4 A
When perform lock-up. 0.4 - 0.6 A
SLCT LVR POSI Selector lever in “N”,“P” position.
N/P
Selector lever in “R” position. R
Selector lever in “D” position. D
Selector lever in “4” position. 4
Selector lever in “3” position. 3
Selector lever in “2” position. 2
Selector lever in “1” position. 1
VHCL/S SE-A/T During driving Approximately matches the
speedometer reading.
ENGINE SPEED Engine running Closely matches the tachometer
reading.
LINE PRES SOL During driving 0.2 - 0.6 A
INPUT SPEED During driving (lock-up ON) Approximately matches the en-
gine speed.
VHCL/S SE-MTR During driving Approximately matches the
speedometer reading.
ATF PRES SW 2 Low coast brake engaged. Refer to
TM-9
.ON
Low coast brake disengaged. Refer to TM-9
.OFF
I/C SOLENOID Input clutch disengaged. Refer to
TM-9
.0.6 - 0 .8 A
Input clutch engaged. Refer to TM-9
.0 - 0 .0 5 A
FR/B SOLENOID Front brake engaged. Refer to
TM-9
.0 .6 - 0 .8 A
Front brake disengaged. Refer to TM-9
.0 - 0 .0 5 A
D/C SOLENOID Direct clutch disengaged. Refer to
TM-9
.0.6 - 0 .8 A
Direct clutch engaged. Refer to TM-9
.0 - 0 .0 5 A
HLR/C SOL High and low reverse clutch disengaged. Refer to
TM-9
.0.6 - 0 .8 A
High and low reverse clutch engaged. Refer to TM-9
.0 - 0 .0 5 A
Revision: April 20092010 QX56

Page 3802 of 4210

INFINITI QX56 2010 Factory Service Manual TCM
TM-107
< ECU DIAGNOSIS >
C EF
G H
I
J
K L
M A
B
TM
N
O P
A/T ASSEMBLY HARNESS CONNECTOR TERMINAL LAYOUT
TERMINALS AND REFERENCE VALUES FOR TCM
Data are reference value and are measured between ea

Page 3803 of 4210

INFINITI QX56 2010 Factory Service Manual TM-108
< ECU DIAGNOSIS >
TCM
Wiring Diagram —A/T CONTROL SYSTEM —
INFOID:0000000005148689
ABDWA0117GB
Revision: April 20092010 QX56

Page 3804 of 4210

INFINITI QX56 2010 Factory Service Manual TCM
TM-109
< ECU DIAGNOSIS >
C EF
G H
I
J
K L
M A
B
TM
N
O P
AADWA0067GB
Revision: April 20092010 QX56

Page 3805 of 4210

INFINITI QX56 2010 Factory Service Manual TM-110
< ECU DIAGNOSIS >
TCM
AADIA0122GB
Revision: April 20092010 QX56

Page 3806 of 4210

INFINITI QX56 2010 Factory Service Manual TCM
TM-111
< ECU DIAGNOSIS >
C EF
G H
I
J
K L
M A
B
TM
N
O P
ABDIA0047GB
Revision: April 20092010 QX56

Page 3807 of 4210

INFINITI QX56 2010 Factory Service Manual TM-112
< ECU DIAGNOSIS >
TCM
ABDIA0326GB
Revision: April 20092010 QX56

Page 3808 of 4210

INFINITI QX56 2010 Factory Service Manual TCM
TM-113
< ECU DIAGNOSIS >
C EF
G H
I
J
K L
M A
B
TM
N
O P
ABDIA0321GB
Revision: April 20092010 QX56

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