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ENGINE
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SECTION ACC
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CONTENTS
ACCELERATOR CONTROL SYSTEM
PRECAUTION .............................................. 2
PRECAUTIONS .................................................. 2
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................. 2
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect .................................... 2
UNIT REMOVAL AND INSTALLATION ...... 4
ACCELERATOR CONTROL SYSTEM .............. 4
Removal and Installation ......................................... 4
SERVICE DATA AND SPECIFICATIONS
(SDS) ............................................................ 8
SERVICE DATA AND SPECIFICATIONS
(SDS) .................................................................. 8
Accelerator Control .................................................. 8
Revision: March 2012 2011 Pathfinder
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PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER" INFOID:0000000006246150
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
Precaution Necessary for Steering Wheel Rotation After Battery Disconnect
INFOID:0000000006246151
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
• Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″LOCK″ position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4. Perform the necessary repair operation.
Revision: March 2012 2011 Pathfinder
PRECAUTIONS
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5. When the repair work is completed, return the ignition switch to the ″LOCK″ position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of all control units using CONSULT-III.
Revision: March 2012 2011 Pathfinder
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< UNIT REMOVAL AND INSTALLATION >
ACCELERATOR CONTROL SYSTEM
UNIT REMOVAL AND INSTALLATION
ACCELERATOR CONTROL SYSTEM
Removal and Installation INFOID:0000000006246153
ADJUSTABLE ACCELERATOR PEDAL
CAUTION:
• Before removal and installation, the adjustable accelerator and brake pedals must be in the front
most position, if equipped. This is to align the base position of the accelerator and brake pedals.
• Do not disassemble the accelerator pedal assembly.
• Do not remove the accelerator pedal position sensor from the accelerator pedal bracket.
• Do not disassemble the accelerator pedal adjusting mechanism.
• Avoid damage from dropping the accelerator pedal assembly during handling.
• Keep the accelerator pedal assembly away from water.
Removal
1. Move the accelerator and brake pedals to the front most position.
2. Turn the ignition switch OFF and disconnect the negative battery terminal.
3. Disconnect the adjustable pedal electric motor electrical connector.
4. Disconnect the adjustable pedal electric motor memory electrical connector (if equipped).
1. Adjustable accelerator pedal assembly 2. Adjustable brake pedal cable 3. Adjustable brake pedal cable lock
tab (part of the cable)
Front
AWBIA1008GB
Revision: March 2012 2011 Pathfinder
ACCELERATOR CONTROL SYSTEM
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5. Disconnect the accelerator position sensor electrical connector.
a. Pull the connector lock back to unlock the connector from the
accelerator pedal position sensor as shown.
b. Pull up on the connector to disconnect it from the accelerator
pedal position sensor as shown.
6. Disconnect the adjustable brake pedal cable from the adjustable
accelerator pedal.
• Release the two lock tabs, then pull the adjustable brake pedal
cable to disconnect it from the adjustable accelerator pedal.
7. Remove the two upper and one lower accelerator pedal nuts.
8. Remove the adjustable accelerator pedal assembly.
Installation
Installation is in the reverse order of removal.
Inspection After Installation
• Check that the accelerator pedal moves smoothly within the speci-
fied range.
• Check that the accelerator pedal smoothly returns to the original
position.
• Perform an electrical inspection of the accelerator pedal position
sensor. Refer to EC-74, "On Board Diagnosis Function"
(VQ40DE), EC-527, "On Board Diagnosis Function" (VK56DE).
CAUTION:
When the harness connector of the accelerator pedal position sensor is disconnected, perform
″Accelerator Pedal Released Position Learning″. Refer to EC-25, "Accelerator Pedal Released Posi-
tion Learning" (VQ40DE), EC-593, "Accelerator Pedal Released Position Learning" (VK56DE).
NON-ADJUSTABLE ACCELERATOR PEDAL
LBIA0333E
LFIA0233E
Accelerator pedal -
total pedal applied
stroke (A)
: Refer to ACC-8, "Accelerator
Control" .
LBIA0434E
Revision: March 2012 2011 Pathfinder
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