2008 INFINITI FX35 lock

BACK DOORBL-141
< SERVICE INFORMATION >
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BACK DOOR
Fitting AdjustmentINFOID:0000000001327879
VERTICAL/LATERAL CLEARANCE ADJUSTMENT
1. With the striker released, loosen the bumper rubber lock nuts.
2. Close the back door lightly and adjust the surface height by rotating the bumper rubber and, then open the
back door to finally tighten the back door lock mounti ng bolts and bumper rubber lock nuts to the specified
torque.
Back Door AssemblyINFOID:0000000001327880
REMOVAL
1. Remove roof rear garnish assembly. Refer to EI-45, "Component Parts Location".
2. Disconnect the back door harness connector and AV antenna feeder.
3. Washer hose is separated in the connection part.
1. Bumper rubber 2. Back door striker 3. Screw
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BL-142
< SERVICE INFORMATION >
BACK DOOR
4. Support the back door lock with a proper material to prevent itfrom falling.
WARNING:
Body injury may occur if no supporting rod is holding the
back door open when removing the damper stay.
5. Remove back door stay on back door.
6. Remove back door hinge mounting nuts on the back door and remove back door assembly.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
 After installing, check operation.
 After installing, perform fitting adjustment. Refer to BL-141, "
Fitting Adjustment".
INSPECTION
1. Check back door hinges for the following.
 Malfunction noise or door closing and opening effort
 Component wear or damage
2. Apply body grease to the rotating part of the back door hinge.
Removal and Installation of Back Door StrikerINFOID:0000000001327881
REMOVAL
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BACK DOORBL-143
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1. Remove rear plate assembly. Refer to EI-45, "Component Parts
Location".
2. Remove back door striker mounting screws, and remove back door striker from the vehicle.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
After installing, perform fi tting adjustment. Refer to BL-141, "
Fitting Adjustment".
Removal and Installation of Back Door StayINFOID:0000000001327882
REMOVAL
1. Support the back door lock with a proper material to prevent it
from falling.
WARNING:
Body injury may occur if no supporting rod is holding the
back door open when removing the damper stay.
2. Remove back door stay on back door.
3. Remove back door stay assembly on vehicle.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
After installing, check operation.
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BL-146
< SERVICE INFORMATION >
BACK DOOR LOCK ASSEMBLY
BACK DOOR LOCK ASSEMBLY
Removal and Installation of Back Door Lock & Closure AssemblyINFOID:0000000001327885
REMOVAL
1. Remove back door finisher. Refer to EI-47, "Component Parts Location".
2. Disconnect the connector and the clip of the back door lock & closure assembly.
3. Remove the mounting bolts.
4. Disconnect the connector of the back door opener actuator.
5. Remove the mounting bolts, remove back door lock & closure assembly.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
 After installing, check operation.
 After installing, perform fitting adjustment. Refer to BL-141, "
Fitting Adjustment".
INSPECTION
1. Check back door lock for the following.
 Malfunction noise or door closing and opening effort
 Component wear or damage
2. Apply body grease to the rotating part of the back door lock.
Removal and Installation of Back Door Opener SwitchINFOID:0000000001327886
REMOVAL
1. Remove back door finisher. Refer to EI-47, "Component Parts Location".
2. Remove back door outside finisher. Refer to EI-47
.
3. Remove licence lamp. Refer to LT-135, "
License Plate Lamp".
4. Cut back door inner panel along with cutting groove line. CAUTION:
When cutting the back door panel, always wear safety
glasses, heavy gloves and a dust proof mask to prevent eye
and skin irritation from glass fiver splinters.
NOTE:
1. Bolt 2. Back door lock & closure assembly
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BACK DOOR LOCK ASSEMBLYBL-147
< SERVICE INFORMATION >
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Through hole is as shown in the figure.
5. Disconnect back door opener switch harness connector (and rear view camera if equipped).
6. Remove opener switch from back door through hole.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
After installing, check operation.
Disassembly and AssemblyINFOID:0000000001327887
BACK DOOR LOCK & CLOSURE ASSEMBLY
CAUTION:
Be sure to remove or install the back door clos ure motor with the back door lock & closure assembly.
1. Remove the back door closure motor.
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BL-148
< SERVICE INFORMATION >
BACK DOOR AUTO CLOSURE SYSTEM
BACK DOOR AUTO CLOSURE SYSTEM
Component Parts and Harness Connector LocationINFOID:0000000001327888
System DescriptionINFOID:0000000001327889
When back door lock latch engaged with striker, striker is lowered by means of a motor the back door fully
closed.
CLOSE OPERATION
 Half-latch is turned off when back door enters the stat e of a half door and back door closure control unit rec-
ognizes it.
 Back door closure control unit by which the signal is recognized operates closure motor in the close direc-
tion, and open switch is turned on.
 Close switch is turned on when back door becomes a full latch position by operating closure motor and back door closure control unit operates closure motor in an open direction.
 The operation of closure motor is stopped, and back door enters all close states when back door moves in
an open direction, and open switch is turned off.
NON-OPERATION CONDITION
 When you close back door while pushing back door opener switch.
 When closing at once (within about 0.5 seconds) after back door is opened.
 When you do not close back door after back door opener switch is pushed.
OPEN OPERATION
 When passenger side door unlock and back door shuts, back door opener switch is pushed.
 Back door closure control unit receives the signal, cl osure motor is operated in an open direction, and back
door opens.
 Closure motor is operated in the close direction and stops at a neutral position when the following conditions
detected after turning on open switch.
- When back door is in half-open state, and
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BL-152
< SERVICE INFORMATION >
BACK DOOR AUTO CLOSURE SYSTEM
Terminal and Reference Value for Back Door Closure Control Unit
INFOID:0000000001327891
*, (): Models with Intelligent KeyTe r m i -
nal Wire
color ItemSignal
Input/
output Condition
Voltage (V)
(Approx.)
1 R Power source (Fuse) Input — Battery voltage
2 PU Closure motor (open) signal Output Fully close → fully open
3 G Closure motor (close) signal Output Fully open → fully close
4 B Ground — — 0
5 W
(B) Ground* — — 0*
Unlock sensor signal
(passenger side)
InputPassenger side door lock is locked 5
Passenger side door lock is un-
locked
0
6 Y
(LG) Back door opener switch sig-
nal
InputBack door opener switch is ON 0
Other than above 5
7 OR Half-latch switch signal Input Fully open → fully close
8 L Close switch signal Input Fully open → fully close
9 P Open switch signal Input Fully open → fully close
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BACK DOOR AUTO CLOSURE SYSTEMBL-153
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Work FlowINFOID:0000000001327892
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to BL-148, "
System Description".
3. Perform the preliminary check, Refer to BL-153, "
Preliminary Check"
4. According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to BL-153,
"Trouble Diagnosis Chart by Symptom".
5. Does back door auto closure system operate nor mally? If Yes, GO TO 6, If No, GO TO 4.
6. INSPECTION END
Preliminary CheckINFOID:0000000001327893
Remove the fuse No.18 for the back door cl osure with the back door closure inactive.
Check that the back door can be open / close normally.
CAUTION:
It is judged it is abnormal, disc ontinues closure operation, and drive lever returns to a neutral position
if not becoming full-latch within about three seconds after half-latch.
When this operation is done cont inuously three times, both back door closure and back door opener
switch are not operated because the func tion of back door closure is stopped.
Thing to reset power supply by pull ing out and opening fuse in that case.
Trouble Diagnosis Chart by SymptomINFOID:0000000001327894
Check Back Door Closure Control Unit Power Supply and Ground CircuitINFOID:0000000001327895
1.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Check voltage between back door closure control unit connector D106 terminal 1 and ground.
OK or NG
OK >> GO TO 2.
NG >> Check the following.  15A fuse [No.18, located in fuse block (J/B)]
 Harness for open or short between back door closurecontrol unit and fuse.
Symptom Diagnostic procedure and repair order Refer to page
Back door closure does not operate. 1. Check back door closure motor power supply and
ground circuit
BL-153
2. Check half-latch switch
BL-154
3. Check close switchBL-155
4. Check open switchBL-156
5. Check closure motorBL-161
6. Replace back door closure control unit.BL-162
Back door does not open (with Intelligent Key system).1. Check Intelligent Key system
BL-1032. Check back door opener switchBL-157
Back door does not open1. Check back door opener switch
BL-1592. Check unlock sensorBL-160
3. Replace back door closure control unit.BL-162
Back door does not enter fully closed states through
back door closure operates.1. Back door fitting adjustment.
BL-141
2. Replace back door lock assembly.BL-146
1 (R) – Ground : Battery voltage
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