INFINITI FX35 2005 Service Manual

BL-166
BACK DOOR
Revision: 2005 July 2005 FX
CAUTION:
After installing, perform fitting adjustment. Refer to BL-164, "
Fitting Adjustment" .
Removal and Installation of Back Door StayAIS004O7
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.
Removal and Installation of Dave Tail Male & FemaleAIS004O8
REMOVAL
1. Remove the dave tail male.
PIIA6061E
PIIA6029E
PIIA6031E
PIIA6078E

BACK DOOR BL-167
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Revision: 2005 July 2005 FX
2. Remove the rear bumper. Refer to EI-17, "Removal and Installation" .
3. Remove the dave tail female.
INSTALLATION
Install in the reverse order of removal.
Removal and Installation of Back Door WeatherstripAIS004O9
REMOVAL
1. Pull up and remove engagement with body from weatherstrip joint.
CAUTION:
After removal, do not pull strongly on the weatherstrip.
INSTALLATION
1. Working from the upper section, align weatherstrip mark with vehicle center position mark and install weatherstrip onto the vehicle.
2. For the lower section, align the weatherstrip seam with center of the striker.
3. After installation, pull the weatherstrip gently to ensure that there is no loose section. NOTE:
Make sure the weatherstrip is fit fightly at each corner and back door rear plate.
PIIA6079E
1. Weatherstrip
PIIA6032E

BL-168
BACK DOOR LOCK ASSEMBLY
Revision: 2005 July 2005 FX
BACK DOOR LOCK ASSEMBLYPFP:90504
Removal and Installation of Back Door Lock & Closure AssemblyAIS004OA
REMOVAL
1. Remove back door finisher. Refer to EI-45, "Removal and Installation" .
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-164, "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 SwitchAIS004OB
REMOVAL
1. Remove back door finisher. Refer to EI-45, "Removal and Installation" .
2. Remove back door outside finisher. Refer to EI-45, "
BACK DOOR TRIM" .
3. Remove licence lamp. Refer to LT- 1 4 7 , "
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.
1. Bolt 2. Back door lock & closure assembly
PIIA6043E
PIIA6903E

BACK DOOR LOCK ASSEMBLY BL-169
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Revision: 2005 July 2005 FX
NOTE:
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 AssemblyAIS004OC
BACK DOOR LOCK & CLOSURE ASSEMBLY
CAUTION:
Be sure to remove or install the back door closure motor with the back door lock & closure assembly.
1. Remove the back door closure motor.
PIIB1645E
PIIB1647E
PIIA6080E

BL-170
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2005 July 2005 FX
BACK DOOR AUTO CLOSURE SYSTEMPFP:90542
Component Parts and Harness Connector LocationAIS004OD
System DescriptionAIS004OE
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 state of a half door and back door closure control unit
recognizes 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.
PIIA6406E

BACK DOOR AUTO CLOSURE SYSTEM BL-171
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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, closure 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 condi-
tions detected after turning on open switch.
–When back door is in half-open state, and
–5 seconds past without opening back door.
PIIA6187E

BL-172
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2005 July 2005 FX
Wiring Diagram — B/CLOS —AIS004OF
TIWH0047E

BACK DOOR AUTO CLOSURE SYSTEM BL-173
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TIWH0048E

BL-174
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2005 July 2005 FX
Terminals and Reference Value for Back Door Closure Control UnitAIS004OG
*, (): Models with Intelligent Key Te r m i -
nal Wire
color Item Condition Voltage (V)
(Approx.)
1 R Power source (Fuse) — Battery voltage
2 PU Closure motor (open) signal Fully close → fully open
3 G Closure motor (close) signal Fully open → fully close
4 B Ground — 0
5 W
(B) Ground* — 0*
Unlock sensor signal
(passenger side) Passenger side door lock is locked 5
Passenger side door lock is unlocked 0
6 Y
(LG) Back door opener switch signal Back door opener switch is ON 0
Other than above 5
7 OR Half-latch switch signal Fully open → fully close
8 L Close switch signal Fully open → fully close
9 P Open switch signal Fully open → fully close
SIIA1480J
SIIA1480J
SIIA1479J
SIIA1478J
SIIA1481J

BACK DOOR AUTO CLOSURE SYSTEM BL-175
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Revision: 2005 July 2005 FX
Work FlowAIS004OH
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to BL-170, "
System Description" .
3. Perform the preliminary check, Refer to BL-175, "
Preliminary Check"
4. According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to BL-175,
"Trouble Diagnosis Chart by Symptom" .
5. Does back door auto closure system operate normally? If Yes, GO TO 6, If No, GO TO 4.
6. INSPECTION END
Preliminary CheckAIS004OI
Remove the fuse No.18 for the back door closure with the back door closure inactive.
Check that the back door can be open / close normally.
CAUTION:
It is judged it is abnormal, discontinues 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 continuously three times, both back door closure and back door opener
switch are not operated because the function of back door closure is stopped.
Thing to reset power supply by pulling out and opening fuse in that case.
Trouble Diagnosis Chart by SymptomAIS004OJ
Symptom Diagnostic procedure and repair order Refer to page
Back door closure does not operate. 1.Back door closure motor power supply and ground
circuit check BL-176
2. Half-latch switch check
BL-176
3. Close switch checkBL-178
4. Open switch check.BL-179
5. Closure motor check.BL-185
6. Replace back door closure control unit.BL-185
Back door does not open (with Intelligent Key system). 1. Intelligent Key system check.
BL-1182. Back door opener switch check.BL-180
Back door does not open 1. Back door opener switch check.
BL-1822. Unlock sensor check.BL-184
3. Replace back door closure control unit.BL-185
Back door does not enter fully closed states through
back door closure operates. 1.Back door fitting adjustment.
BL-164
2. Replace back door lock assembly.BL-168