Nissan Quest E52. Instruction — part 1043
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BODY INTERIOR
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SECTION
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CONTENTS
SEAT
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precautions for Removing Battery Terminal . . .....
Service Notice . . . . . . . . . . . . . . ...
Precaution for Work . . . . . . . . . . . . ..
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Special Service Tool . . . . . . . . . . . .....
Commercial Service Tool . . . . . . . . . . ..
CLIP LIST . . . . . . . . . . . . . . .
Clip List . . . . . . . . . . . . . . . . .....
SYSTEM DESCRIPTION . . . . . . . ..
COMPONENT PARTS . . . . . . . . . .
POWER SEAT SYSTEM . . . . . . . . . . .....
POWER SEAT SYSTEM : Component Parts Lo-
cation . . . . . . . . . . . . . . . . . .....
HEATED SEAT SYSTEM . . . . . . . . . . ....
HEATED SEAT SYSTEM : Component Parts Lo-
cation . . . . . . . . . . . . . . . . . .....
SEATBACK POWER FOLDING/RETURN SYS-
TEM . . . . . . . . . . . . . . . . . . . ..
SEATBACK POWER FOLDING/RETURN SYS-
TEM : Component Parts Location . . . . . . ...
Reclining Motor . . . . . . . . . . . . . ...
Sliding Motor . . . . . . . . . . . . . . ...
Power Seat Switch . . . . . . . . . . . . ..
Lumbar Support Switch . . . . . . . . . . ...
Lifting Motor . . . . . . . . . . . . . . .
Lumbar Support Motor . . . . . . . . . . .
Seatback Heater . . . . . . . . . . . . . .
Seat Cushion Heater . . . . . . . . . . . ...
Heated Seat Switch . . . . . . . . . . . . .
Third Seat Fold Switch . . . . . . . . . . .
Sector Gear . . . . . . . . . . . . . . . .
Sector Gear Position Limit Switch . . . . . . ...
Power Return Motor Assembly . . . . . . . .
Seatback Angle Limit Switch . . . . . . . . ...
Seatback Lock Release Actuator Relay . . . . ..
Seatback Lock Release Actuator . . . . . . .
Seatback Power Return Control Unit . . . . . ...
SYSTEM . . . . . . . . . . . . . . .
POWER SEAT SYSTEM . . . . . . . . . . .
POWER SEAT SYSTEM : System Description . ...
HEATED SEAT SYSTEM . . . . . . . . . . ..
HEATED SEAT SYSTEM : System Description . ..
SEATBACK POWER FOLDING/RETURN SYS-
TEM . . . . . . . . . . . . . . . . . . .
SEATBACK POWER FOLDING/RETURN SYS-
TEM : System Description . . . . . . . . . ...
SEATBACK POWER FOLDING/RETURN SYS-
TEM : Circuit Diagram . . . . . . . . . . . .
SEATBACK POWER FOLDING/RETURN SYS-
TEM : Fail-safe . . . . . . . . . . . . . .
ECU DIAGNOSIS INFORMATION . . . ..
SEATBACK POWER RETURN CONTROL
UNIT . . . . . . . . . . . . . . . . ..
Reference Value . . . . . . . . . . . . . ..
Fail-safe . . . . . . . . . . . . . . . . ...
WIRING DIAGRAM . . . . . . . . . ..
POWER SEAT CONTROL SYSTEM . . . .
DRIVER SIDE . . . . . . . . . . . . . . . .
DRIVER SIDE : Wiring Diagram . . . . . . . ..
PASSENGER SIDE . . . . . . . . . . . . .
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LUMBAR SUPPORT SYSTEM . . . . . . ..
Wiring Diagram . . . . . . . . . . . . . ...
HEATED SEAT SYSTEM . . . . . . . . ..
Wiring Diagram . . . . . . . . . . . . . ...
SEATBACK POWER RETURN SYSTEM . . .
Wiring Diagram . . . . . . . . . . . . . ...
SEATBACK POWER FOLDING SYSTEM . .
Wiring Diagram . . . . . . . . . . . . . ...
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORK FLOW . .
Work Flow . . . . . . . . . . . . . . . ...
DTC/CIRCUIT DIAGNOSIS . . . . . . .
POWER SUPPLY AND GROUND CIRCUIT . .
Diagnosis Procedure . . . . . . . . . . . ..
THIRD SEAT FOLD SWITCH . . . . . . .
LH . . . . . . . . . . . . . . . . . . . ..
LH : Component Function Check . . . . . . ..
LH : Diagnosis Procedure . . . . . . . . . ...
RH . . . . . . . . . . . . . . . . . . . ..
RH : Component Function Check . . . . . . .
RH : Diagnosis Procedure . . . . . . . . . ..
Component Inspection (Third Seat Fold Switch) ....
Component Inspection (Seatback Lock Release
Actuator Relay) . . . . . . . . . . . . . ...
VEHICLE SPEED SIGNAL CIRCUIT . . . .
Diagnosis Procedure . . . . . . . . . . . ..
SEATBACK ANGLE LIMIT SWITCH . . . .
LH . . . . . . . . . . . . . . . . . . . ..
LH : Diagnosis Procedure . . . . . . . . . ...
RH . . . . . . . . . . . . . . . . . . . ..
RH : Diagnosis Procedure . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
SEATBACK LOCK RELEASE ACTUATOR . .
LH . . . . . . . . . . . . . . . . . . . ..
LH : Diagnosis Procedure . . . . . . . . . ...
RH . . . . . . . . . . . . . . . . . . . ..
RH : Diagnosis Procedure . . . . . . . . . ..
Component Inspection (Seatback Lock Release
Actuator Relay) . . . . . . . . . . . . . ...
SECTOR GEAR POSITION LIMIT SWITCH . .
LH . . . . . . . . . . . . . . . . . . . ..
LH : Diagnosis Procedure . . . . . . . . . ...
RH . . . . . . . . . . . . . . . . . . . ..
RH : Diagnosis Procedure . . . . . . . . . ..
Component Inspection . . . . . . . . . . .
POWER RETURN MOTOR . . . . . . . ...
LH . . . . . . . . . . . . . . . . . . . ..
LH : Diagnosis Procedure . . . . . . . . . ...
RH . . . . . . . . . . . . . . . . . . . ..
RH : Diagnosis Procedure . . . . . . . . . ..
MOTOR SENSOR . . . . . . . . . . . ..
LH . . . . . . . . . . . . . . . . . . . ..
LH : Diagnosis Procedure . . . . . . . . . ...
RH . . . . . . . . . . . . . . . . . . . ..
RH : Diagnosis Procedure . . . . . . . . . ..
SYMPTOM DIAGNOSIS . . . . . . .
SEATBACK DOES NOT OPERATE POWER
RETURN . . . . . . . . . . . . . . .
BOTH SIDES . . . . . . . . . . . . . . . .
BOTH SIDES : Diagnosis Procedure . . . . . ..
LH . . . . . . . . . . . . . . . . . . . ..
LH : Diagnosis Procedure . . . . . . . . . ...
RH . . . . . . . . . . . . . . . . . . . ..
RH : Diagnosis Procedure . . . . . . . . . ..
DOES NOT RETURN BUT MALFUNCTION
DETECTION BUZZER SOUNDS . . . . . ..
LH . . . . . . . . . . . . . . . . . . . ..
LH : Diagnosis Procedure . . . . . . . . . ...
RH . . . . . . . . . . . . . . . . . . . ..
RH : Diagnosis Procedure . . . . . . . . . ..
SEATBACK DOES NOT FOLD DOWN BY
SWITCH OPERATION . . . . . . . . . ...
BOTH SIDES . . . . . . . . . . . . . . . .
BOTH SIDES : Diagnosis Procedure . . . . . ..
LH . . . . . . . . . . . . . . . . . . . ..
LH : Diagnosis Procedure . . . . . . . . . ...
RH . . . . . . . . . . . . . . . . . . . ..
RH : Diagnosis Procedure . . . . . . . . . ..
MALFUNCTION DETECTION BUZZER
SOUNDS DURING POWER RETURN MO-
TOR INVERSE ROTATION . . . . . . . ...
LH . . . . . . . . . . . . . . . . . . . ..
LH : Diagnosis Procedure . . . . . . . . . ...
RH . . . . . . . . . . . . . . . . . . . ..
RH : Diagnosis Procedure . . . . . . . . . ..
ANTI-PINCH FUNCTION DOES NOT OPER-
ATE . . . . . . . . . . . . . . . . .
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Diagnosis Procedure . . . . . . . . . . . ...
SQUEAK AND RATTLE TROUBLE DIAG-
NOSES . . . . . . . . . . . . . . . ...
Work Flow . . . . . . . . . . . . . . . ...
Inspection Procedure . . . . . . . . . . . ..
Diagnostic Worksheet . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . ...
FRONT SEAT (MANUAL SEAT) . . . . . ...
Exploded View . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
SEATBACK . . . . . . . . . . . . . . . ...
SEATBACK : Disassembly and Assembly . . . ..
SEAT CUSHION . . . . . . . . . . . . . .
SEAT CUSHION : Disassembly and Assembly . ..
FRONT SEAT (POWER SEAT) . . . . . . .
Exploded View . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . ...
SEATBACK . . . . . . . . . . . . . . . .
SEATBACK : Disassembly and Assembly . . .
SEAT CUSHION . . . . . . . . . . . . . ..
SEAT CUSHION : Disassembly and Assembly .
SECOND SEAT . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . ...
Removal and Installation . . . . . . . . . ...
SEATBACK . . . . . . . . . . . . . . . ..
SEATBACK : Disassembly and Assembly . . .
SEAT CUSHION . . . . . . . . . . . . . ..
SEAT CUSHION : Disassembly and Assembly . .
THIRD SEAT . . . . . . . . . . . . ...
Exploded View . . . . . . . . . . . . . ...
Removal and Installation . . . . . . . . . ...
SEATBACK . . . . . . . . . . . . . . . ..
SEATBACK : Disassembly and Assembly . . .
SEAT CUSHION . . . . . . . . . . . . . ..
SEAT CUSHION : Disassembly and Assembly . .
THIRD SEAT FOLD SWITCH . . . . . . .
Removal and Installation . . . . . . . . . ...
LUMBAR SUPPORT SWITCH . . . . . .
Removal and Installation . . . . . . . . . ...
HEATED SEAT SWITCH . . . . . . . .
Removal and Installation . . . . . . . . . ...
SEATBACK POWER RETURN CONTROL
UNIT . . . . . . . . . . . . . . . .
SE-4
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009652908
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 “SRS AIR BAG” and “SEAT BELT” of this
Instruction.
WARNING:
Always observe the following items for preventing accidental activation.
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision that 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 “SRS AIR BAG”.
• Never use electrical test equipment on any circuit related to the SRS unless instructed to in this Ser-
vice Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
Always observe the following items for preventing accidental activation.
• When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the
ignition ON or engine running, never 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.
Precautions for Removing Battery Terminal
INFOID:0000000009979163
• When removing the 12V battery terminal, turn OFF the ignition
switch and wait at least 30 seconds.
NOTE:
ECU may be active for several tens of seconds after the ignition
switch is turned OFF. If the battery terminal is removed before ECU
stops, then a DTC detection error or ECU data corruption may
occur.
• For vehicles with the 2-batteries, be sure to connect the main bat-
tery and the sub battery before turning ON the ignition switch.
NOTE:
If the ignition switch is turned ON with any one of the terminals of
main battery and sub battery disconnected, then DTC may be
detected.
• After installing the 12V battery, always check "Self Diagnosis Result" of all ECUs and erase DTC.
NOTE:
The removal of 12V battery may cause a DTC detection error.
Service Notice
INFOID:0000000009652909
• When removing or installing various parts, place a cloth or padding onto the vehicle body to prevent
scratches.
• Handle trim, molding, instruments, grille, etc. carefully during removing or installing. Be careful not to oil or
damage them.
SEF289H
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