key INFINITI FX35 2006 Service Manual

INTELLIGENT KEY SYSTEM BL-147
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Revision: 2006 December 2006 FX35/FX45
Intelligent Key Battery ReplacementNIS001O5
INTELLIGENT KEY BATTERY INSPECTION
Check by connecting a resistance (approximately 300 Ω) so that the
current value becomes about 10 mA.
PIIB4646E
Standard : Approx. 2.5V - 3.0V
OCC0607D

BL-152
FRONT DOOR LOCK
Revision: 2006 December 2006 FX35/FX45
FRONT DOOR LOCKPFP:80502
Removal and InstallationNIS001OA
REMOVAL
1. Remove the front door finisher. Refer to EI-35, "Removal and Installation" .
2. Disconnect the inside handle knob cable and lock knob cable from the back side of the front door finisher.
3. Remove the front door glass and front door module assembly. Refer to GW-58, "
Removal and Installation"
.
4. Remove door side grommet, and remove door key cylinder assembly (driver side) and outside handle escutcheon (passenger side) TORX bolt (T30) from grommet hole.
1. Front gasket 2. Outside handle 3. Door key cylinder assembly (Driver
side)
Outside handle escutcheon (Pas-
senger side)
4. Rear gasket 5. Outside handle bracket 6. Grommet
7. TORX bolt (T30) 8. Key cylinder rod (Driver side only) 9. TORX bolt (T30)
10. Outside handle cable 11. Door lock assembly 12. Inside handle knob cable
13. Lock knob cable 14. Screw 15. Inside handle
PIIA6025E
PIIA4014E

FRONT DOOR LOCK BL-153
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Revision: 2006 December 2006 FX35/FX45
CAUTION:
Do not forcibly remove the TORX bolt (T30).
5. Reach to separate the key cylinder rod connection (on the handle).
6. While pulling the outside handle, remove door key cylinder assembly (driver side) and outside handle escutcheon (passen-
ger side).
7. Disconnect the door request switch connector. (Intelligent Key only)
8. While pulling outside handle, slide toward rear of vehicle to remove outside handle.
9. Remove the front gasket and rear gasket.
PIIA3553E
PIIA3554E
PIIA3555E
PIIA3557E

BL-168
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2006 December 2006 FX35/FX45
Terminals and Reference Value for Back Door Closure Control UnitNIS001OP
*, (): Models with Intelligent Key Termi-
nal Wire
color Item Signal
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) Input Passenger side door lock is
locked 5
Passenger side door lock is
unlocked 0
6 Y
(LG) Back door opener switch
signal Input Back 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
SIIA1480J
SIIA1480J
SIIA1479J
SIIA1478J
SIIA1481J

BACK DOOR AUTO CLOSURE SYSTEM BL-169
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Revision: 2006 December 2006 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

BL-174
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2006 December 2006 FX35/FX45
3. CHECK GROUND CIRCUIT
Check continuity between back door closure motor connector D109
terminal 8 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK BACK DOOR CLOSURE CONTROL UNIT OUTPUT SIGNAL
1. Connect back door closure control unit connector.
2. Check voltage between back door closure control unit connector D106 terminal 9 and ground.
OK or NG
OK >> Replace back door lock assembly.
NG >> Replace back door closure control unit.
Check Back Door Opener Switch (With Intelligent Key)NIS001OX
1. CHECK BACK DOOR OPENER SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between back door closure control unit connector and ground.
OK or NG
OK >> Back door opener switch is OK.
NG >> GO TO 2. 8 (B) – Ground : Continuity should exist.
PIIA6170E
Back door is closed
9 (P) – Ground : Battery voltage
PIIA6177E
Connector Terminals (Wire color)
Condition Voltage (V)
(Approx.)
(+) (-)
D106 6 (LG) Ground Back door opener switch
: ON 0
Back door opener switch
: OFF 5
PIIA6178E

BACK DOOR AUTO CLOSURE SYSTEM BL-175
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Revision: 2006 December 2006 FX35/FX45
2. CHECK HARNESS 1
1. Disconnect Intelligent Key unit and back door closure control unit connector.
2. Check continuity between Intelligent Key unit connector M34 ter- minal 23 and back door closure control unit connector D106 ter-
minal 6.
3. Check continuity between Intelligent Key unit connector M34 ter- minal 23 and ground.
OK or NG
OK >> GO TO 3.
NG >> Replace or repair malfunction harness.
3. CHECK HARNESS 2
1. Disconnect Intelligent Key unit and back door opener switch connector.
2. Check continuity between Intelligent Key unit connector M34 ter- minal 24 and back door opener switch connector D112 terminal
1.
3. Check continuity between Intelligent Key unit connector M34 ter- minal 24 and ground.
OK or NG
OK >> GO TO 4.
NG >> Replace or repair malfunction harness.
4. CHECK BACK DOOR OPENER SWITCH GROUND CIRCUIT
Check continuity between back door opener switch connector D112
terminal 2 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness.
5. CHECK BACK DOOR OPENER SWITCH
Check continuity between back door opener switch terminals 1 and
2.
OK or NG
OK >> GO TO 6.
NG >> Replace back door opener switch. 23 (L/Y) – 6 (LG) : Continuity should exist.
23 (L/Y) - Ground : Continuity should not exist.
PIIB0216E
24 (P) – 1 (Y) : Continuity should exist.
24 (P) - Ground : Continuity should not exist.
PIIB1384E
2 (B) – Ground : Continuity should exist.
PIIA6180E
Terminals Condition Continuity
12 Back door opener switch: ON Yes
Back door opener switch: OFF No
PIIA6181E

BL-176
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2006 December 2006 FX35/FX45
6. CHECK BACK DOOR CLOSURE CONTROL UNIT OUTPUT SIGNAL
1. Connect back door closure control unit connector.
2. Check voltage between back door closure control unit connector D106 terminal 6 and ground.
OK or NG
OK >> Replace Intelligent Key unit.
NG >> Replace back door closure control unit.
Check Back Door Opener Switch (Without Intelligent Key)NIS001OY
1. CHECK BACK DOOR OPENER SWITCH SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between back door closure control unit connector and ground.
OK or NG
OK >> Back door opener switch is OK.
NG >> GO TO 2.
2. CHECK HARNESS CONTINUITY
1. Disconnect back door closure control unit and back door opener switch connector.
2. Check continuity between back door closure control unit con- nector D106 terminal 6 and back door opener switch connector
D112 terminal 1.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between back door closure control unit and back door opener switch.
6 (LG) – Ground : Approx. 5V
PIIA6178E
Connector
Terminals (Wire color)
Condition Voltage (V)
(Approx.)
(+) (-)
D106 6 (Y) Ground Back door opener switch
: ON 0
Back door opener switch
: OFF 5
PIIA6178E
6 (Y) – 1 (Y) : Continuity should exist.
PIIA6179E

BL-178
BACK DOOR AUTO CLOSURE SYSTEM
Revision: 2006 December 2006 FX35/FX45
Check Unlock Sensor (Without Intelligent Key)NIS001OZ
1. CHECK UNLOCK SENSOR SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between back door closure control unit connector and ground.
OK or NG
OK >> Unlock sensor is OK.
NG >> GO TO 2.
2. CHECK HARNESS CONTINUITY
1. Disconnect back door closure control unit and front door lock assembly (passenger side) connector.
2. Check continuity between back door closure control unit con- nector D106 terminal 5 and front door lock assembly (passenger
side) connector D40 terminal 5.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between back door closure
control unit and front door lock assembly (passenger
side).
3. CHECK GROUND CIRCUIT
Check continuity between front door lock assembly (passenger side)
connector D40 terminal 4 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
Connector Terminals (Wire color)
Condition Voltage (V)
(Approx.)
(+) (-)
D106 5 (W) Ground Passenger side door lock is
locked 5
Passenger side door lock is
unlocked 0
PIIA6182E
5 (W) – 5 (W) : Continuity should exist.
PIIA6183E
4 (B) – Ground : Continuity should exist.
PIIA6184E

BL-182
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Revision: 2006 December 2006 FX35/FX45
System DescriptionNIS001P3
DESCRIPTION
Operation Flow
Setting the Vehicle Security System
Initial condition

Ignition switch is in OFF position.
Disarmed phase

When hood, doors or back door is open, the vehicle security system is set in the disarmed phase on the
assumption that the owner is inside or near the vehicle.

When the vehicle security system is in the disarmed phase, the security indicator lamp blinks every 2.4
seconds.
Pre-armed phase and armed phase
When the following operation 1 or 2 is performed, the vehicle security system turns into the “pre-armed”
phase. (The security indicator lamp illuminates.)
1. BCM receives LOCK signal from front door key cylinder switch, key fob or Intelligent Key after hood, back door and all doors are closed.
2. Hood, back door and all doors are closed after front doors are locked by key or door lock and unlock switch.
The security indicator lamp illuminates for 30 seconds. then, the system automatically shifts into the
“armed” phase.
PIIB0176E