2007 INFINITI FX35 Service Manual

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Page 977 of 4366

INFINITI FX35 2007 Service Manual BACK DOOR AUTO CLOSURE SYSTEM BL-165
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Revision: 2006 July 2007 FX35/FX45
OPEN OPERATION
When passenger side door unlock and back door shuts, back door opener sw

Page 978 of 4366

INFINITI FX35 2007 Service Manual BL-166
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2006 July 2007 FX35/FX45
Wiring Diagram — B/CLOS —NIS001OO
TIWM1712E

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INFINITI FX35 2007 Service Manual BACK DOOR AUTO CLOSURE SYSTEM BL-167
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Revision: 2006 July 2007 FX35/FX45
TIWM1672E

Page 980 of 4366

INFINITI FX35 2007 Service Manual BL-168
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2006 July 2007 FX35/FX45
Terminals and Reference Value for Back Door Closure Control UnitNIS001OP
*, (): Models with Intelligent Key Termi-
nal Wire

Page 981 of 4366

INFINITI FX35 2007 Service Manual BACK DOOR AUTO CLOSURE SYSTEM BL-169
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Revision: 2006 July 2007 FX35/FX45
Work FlowNIS001OQ
1. Check the symptom and customers requests.
2. Understand the outli

BACK DOOR AUTO CLOSURE SYSTEM BL-169
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Revision: 2006 July 2007 FX35/FX45
Work FlowNIS001OQ
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to BL-164, "
System Description" .
3. Perform the preliminary check, Refer to BL-169, "
Preliminary Check"
4. According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to BL-169,
"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 CheckNIS001OR
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 SymptomNIS001OS
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-170
2. Check half-latch switch
BL-170
3. Check close switchBL-172
4. Check open switchBL-173
5. Check closure motorBL-179
6. Replace back door closure control unit.BL-179
Back door does not open (with Intelligent Key system). 1. Check Intelligent Key system
BL-1152. Check back door opener switchBL-174
Back door does not open 1. Check back door opener switch
BL-1762. Check unlock sensorBL-178
3. Replace back door closure control unit.BL-179
Back door does not enter fully closed states through
back door closure operates. 1. Back door fitting adjustment.
BL-158
2. Replace back door lock assembly.BL-162

Page 982 of 4366

INFINITI FX35 2007 Service Manual BL-170
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2006 July 2007 FX35/FX45
Check Back Door Closure Control Unit Power Supply and Ground CircuitNIS001OT
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition swi

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INFINITI FX35 2007 Service Manual BACK DOOR AUTO CLOSURE SYSTEM BL-171
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Revision: 2006 July 2007 FX35/FX45
2. CHECK HARNESS CONTINUITY
1. Disconnect back door closure control unit and back door

Page 984 of 4366

INFINITI FX35 2007 Service Manual BL-172
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2006 July 2007 FX35/FX45
Check Close SwitchNIS001OV
1. CHECK CLOSE SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Check the signal between back door clo

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