2011 INFINITI QX56 brakes

SB-18
< REMOVAL AND INSTALLATION >
THIRD SEAT BELT
3. Grasp the seat belt and try to pull out the retractor. The webbing must lock and not extend any further. If it
does not operate normally, replace the retractor assembly.
4. Allow the entire length of the webbing to re tract to cancel the automatic locking mode.
ELR Function Moving Check
WARNING:
Perform the following test in a safe, open area clear of other vehicles and obstructions (for example, a
large, empty parking lot). Road surface must be p aved and dry. Never perform the following test on
wet or gravel roads or on public streets and highw ays. This could result in an accident and serious
personal injury. The driver and passenger must be prepared to brace themselves in the event that the
retractor does not lock.
1. Fasten driver seat belt. Buckle a passenger in to the seat for the belt that is to be tested.
2. Proceed to the designated safe area.
3. Drive the vehicle at approximately 16 km/h ( 10 MPH). Notify any passengers of a pending sudden stop
and the driver and passenger must be prepared to brace themselves in the event that the retractor does
not lock. Apply brakes firmly and make a very hard stop.
During stopping, seat belts should lock and not be extended. If the seat belt retractor assembly does not lock,
perform the retractor off-vehicle check.
SEAT BELT RETRACTOR OFF-VEHICLE CHECK
1. Remove the third seat belt retractor. Refer to SB-19, "SEAT BELT RETRACTOR : Removal and Installa-
tion".
2. Slowly pull out webbing while tilting the retracto r assembly forward from the mounted position without
twisting the retractor assembly as shown in the figure.
a. Outer seat belt retractor  The webbing can be pulled out when the angle (A) is 15degrees or less.
 The webbing cannot be pulled out when the angle (B) is 27
degrees or more.
b. Center seat belt retractor  The webbing can be pulled out when the angle (A) is 15
degrees or less.
 The webbing cannot be pulled out when the angle (B) is 27
degrees or more.
3. Replace the seat belt assembly if it does not operate normally.
A and B : Tilting angles : Vehicle front
JMHIA1064ZZ
A and B : Tilting angles: Vehicle front
JMHIA0522ZZ
Revision: 2010 May2011 QX56

STRUCTURE AND OPERATIONTM-19
< SYSTEM DESCRIPTION > [7AT: RE7R01B]
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TM
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With the use of 4 sets of planetary gears, A/T enabl es 7-speed transmission for forward and 1-speed transmis-
sion for backward, depending on the combination of 3 sets of multiple-disc clutches, 4 sets of multiple-disc
brakes and 2 sets of one-way clutches.
CLUTCH AND BRAKE CHART
POWER TRANSMISSION
“N” Position
JSDIA1455GB
Revision: 2010 May2011 QX56

TM-64
< SYSTEM DESCRIPTION >[7AT: RE7R01B]
DIAGNOSIS SYSTEM (TCM)
TRG PRE 2346/B
(kPa, kg/cm2 or psi)—— Displays the target oil pressure value of 2346
brake solenoid valve calculated by the oil pres-
sure calculation process of shift change control.
SHIFT PATTERN — — Displays the gear change data using the shift
pattern control.
VEHICLE SPEED (km/h or mph) — — Displays the vehicle speed for control using the
control of TCM.
G SEN SLOPE (%) X — Displays the inclination angle calculated by the
G sensor signal received via CAN communica-
tion.
RANGE SW 4 (ON/OFF) X — Displays the operation status of transmission
range switch 4.
RANGE SW 3 (ON/OFF) X — Displays the operation status of transmission
range switch 3.
RANGE SW 2 (ON/OFF) X — Displays the operation status of transmission
range switch 2.
RANGE SW 1 (ON/OFF) X — Displays the operation status of transmission
range switch 1.
SFT DWN ST SW (ON/OFF) X —  Displays the operation status of paddle
shifter (down switch).
 Not mounted but displayed.
SFT UP ST SW (ON/OFF) X —  Displays the operation status of paddle
shifter (up switch).
 Not mounted but displayed.
DOWN SW LEVER (ON/OFF) X — Displays the operation status of selector lever
(down switch).
UP SW LEVER (ON/OFF) X — Displays the operation status of selector lever
(up switch).
NON M-MODE SW (ON/OFF) X — Displays whether the selector lever is in any po-
sition other than manual shift gate position.
MANU MODE SW (ON/OFF) X — Displays whether the selector lever is in the
manual shift gate position.
TOW MODE SW (ON/OFF) — — Displays the reception status of tow mode
switch signal received via CAN communication.
DS RANGE (ON/OFF) — —  Displays whether it is the DS mode.
 Not mounted but displayed.
1 POSITION SW (ON/OFF) X —  Displays the reception status of 1 position
switch signal received via CAN communica-
tion.
 Not mounted but displayed.
OD CONT SW (ON/OFF) X —  Displays the reception status of overdrive
control switch signal received via CAN com-
munication.
 Not mounted but displayed.
BRAKESW (ON/OFF) X — Displays the reception status of stop lamp
switch signal received via CAN communication.
POWERSHIFT SW (ON/OFF) X —  Displays the reception status of POWER
mode signal received via CAN communica-
tion.
 Not mounted but displayed.
Monitored item (Unit)
Monitor Item Selection
Remarks
ECU IN-
PUT SIG- NALS MAIN SIG-
NALS SELEC-
TION
FROM ITEM
Revision: 2010 May2011 QX56

TCM
TM-71
< ECU DIAGNOSIS INFORMATION > [7AT: RE7R01B]
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OD CONT SW* When overdrive control switch is depressed ON
When overdrive control switch is released OFF
BRAKESW Brake pedal is depressed ON
Brake pedal is released OFF
POWERSHIFT SW* Power mode ON
Other than the above OFF
ASCD-OD CUT When TCM receives ASCD OD cancel request signal ON
Other than the above OFF
ASCD-CRUISE ASCD operate ON
Other than the above OFF
ABS SIGNAL ABS operate ON
Other than the above OFF
TCS GR/P KEEP When TCM receives TCS gear keep request signal ON
Other than the above OFF
TCS SIGNAL 2 When the reception value of A/T shift schedule change
demand signal is “cold”
ON
Other than the above OFF
TCS SIGNAL 1 When the reception value of A/T shift schedule change
demand signal is “warm”
ON
Other than the above OFF
LOW/B PARTS At 4GR - 5GR - 6GR
shift control FAIL
Other than the above NOTFAIL
HC/IC/FRB PARTS At 1GR - 2GR - 3GR
shift control FAIL
Other than the above NOTFAIL
IC/FRB PARTS At 4GR - 5GR - 6GR
shift control FAIL
Other than the above NOTFAIL
HLR/C PARTS At 4GR - 5GR - 6GR
shift control FAIL
Other than the above NOTFAIL
W/O THL POS Accelerator pedal is fully depressed ON
Accelerator pedal is released OFF
CLSD THL POS Accelerator pedal is released ON
Accelerator pedal is fully depressed OFF
DRV CST JUDGE Accelerator pedal is depressed DRIVE
Accelerator pedal is released COAST
Item name Condition Value / Status (Approx.)
Revision: 2010 May2011 QX56