Key cylinder INFINITI FX35 2005 Service Manual

AT-236
A/T SHIFT LOCK SYSTEM
Revision: 2005 July 2005 FX
A/T SHIFT LOCK SYSTEMPFP:34950
DescriptionACS002RT

The mechanical key interlock mechanism also operates as a shift lock:
With the ignition switch turned to ON, the selector lever cannot be shifted from “P” position to any other
position unless the brake pedal is depressed.
With the key removed, the selector lever cannot be shifted from “P” position to any other position.
The key cannot be removed unless the selector lever is placed in “P” position.

The shift lock and key interlock mechanisms are controlled by the ON-OFF operation of the shift lock sole-
noid and by the operation of the rotator and slider located inside the key cylinder.
Shift Lock System Electrical Parts LocationACS002RU
SCIA2149E

AT-238
A/T SHIFT LOCK SYSTEM
Revision: 2005 July 2005 FX
Diagnostic ProcedureACS002RW
SYMPTOM 1:

Selector lever cannot be moved from “P” position with key in ON position and brake pedal
applied.

Selector lever can be moved from “P” position with key in ON position and brake pedal released.

Selector lever can be moved from “P” position when key is removed from key cylinder.
SYMPTOM 2:

Ignition key cannot be removed when selector lever is set to “P” position.

Ignition key can be removed when selector lever is set to any position except “P” position.
1. CHECK KEY INTERLOCK CABLE
Check the key interlock cable for damage.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace key interlock cable. Refer to AT- 2 4 0 , "
KEY INTERLOCK CABLE" .
2. CHECK SELECTOR LEVER POSITION
Check the selector lever position for damage. Refer to AT- 2 3 5 , "
Checking of A/T Position"
OK or NG
OK >> GO TO 3.
NG >> Adjust control linkage. Refer to AT- 2 3 5 , "
Adjustment of A/T Position" .
3. CHECK SHIFT LOCK SOLENOID AND PARK POSITION SWITCH
1. Connect A/T device harness connector.
2. Turn ignition switch ON.
3. Selector lever is set in “P” position.
4. Check operation sound.
OK or NG
OK >> INSPECTION END
NG >> GO TO 4.
4. CHECK POWER SOURCE
1. Turn ignition switch ON. (Do not start engine.)
2. Check the voltage between A/T device harness connector termi- nal 1 and ground. Refer to AT- 2 3 7 , "
Wiring Diagram — AT —
SHIFT" .
OK or NG
OK >> GO TO 7.
NG >> GO TO 5.
Condition Brake pedal Operation sound
When ignition switch is turned to
ON and selector lever is set in
“P” position. Depressed Yes
Released No
Condition Brake pedal Data (Approx.)
When ignition switch is turned to
ON. Depressed Battery voltage
Released 0V
SCIA2122E

KEY INTERLOCK CABLE AT-241
D E
F
G H
I
J
K L
M A
B
AT
Revision: 2005 July 2005 FX
Removal and InstallationACS006H9
REMOVAL
1. Unlock slider by squeezing lock tabs on slider from adjuster
holder.
2. Remove casing cap from bracket of control device assembly and remove interlock rod from adjuster holder.
3. Remove holder from key cylinder and remove key interlock cable.
SCIA1230E
SCIA2258E

AT-242
KEY INTERLOCK CABLE
Revision: 2005 July 2005 FX
INSTALLATION
1. Set key interlock cable to key cylinder and install holder.
2. Clamp key interlock cable and fix to key interlock cable with band.
3. Turn ignition key to lock position.
4. Set selector lever to P position.
5. Insert interlock rod into adjuster holder.
6. Install casing cap to bracket.
7. Move slider in order to fix adjuster holder to interlock rod.
SCIA2258E
SCIA1232E

PRECAUTIONS ATC-5
C
D E
F
G H
I
K L
M A
B
AT C
Revision: 2005 July 2005 FX
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
AJS001XF
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 and SB section of this Service Man-
ual.
WARNING:

To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.

Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.

Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions Necessary for Steering Wheel Rotation After Battery DisconnectAJS001XG
NOTE:

This Procedure is applied only to models with Intelligent Key system and NVIS/IVIS (NISSAN/INFINITI
VEHICLE IMMOBILIZER SYSTEM - NATS).

Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″ LOCK ″ position.

Always use CONSULT-II to perform self-diagnosis as a part of each function inspection after finishing
work. If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NVIS/IVIS, an electrically controlled steering lock
mechanism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC ″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be rotated.
4. Perform the necessary repair operation.
5. When the repair work is completed, return the ignition switch to the ″LOCK ″ position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of all control units using CONSULT-II.

BCM (BODY CONTROL MODULE) BCS-7
C
D E
F
G H
I
J
L
M A
B
BCS
Revision: 2005 July 2005 FX
BCM STATUS CONTROL
BCM changes its status depending on the operation status in order to save power consumption.
1. CAN communication status

With ignition switch ON, CAN communicates with other control units normally.

Control by BCM is being operated properly.

When ignition switch is OFF, switching to sleep mode is possible.

Even when ignition switch is OFF, if CAN communication with IPDM E/R and combination meter is
active, CAN communication status is active.
2. Sleep transient status

This status shuts down CAN communication when ignition switch is turned OFF.

It transmits sleep request signal to IPDM E/R and combination meter.

Two seconds after CAN communication of all control units stops, sleep transient status is switched to
CAN communication inactive status.
3. CAN communication inactive status

With ignition switch OFF, CAN communication is not active.

With ignition switch OFF, control performed only by BCM is active.

Three seconds after CAN communication of all control units stops, CAN communication inactive status
is switched to sleep status.
4. Sleep status

BCM is activated with low power mode.

CAN communication is not active.

When CAN communication operation is detected, it switches to CAN communication status.

When a state of the following switches changes, it switches to CAN communication state.
–Key switch
–Hazard switch
–Door lock/unlock switch
–Front door switch (driver side, passenger side)
–Rear door switch (LH, RH)
–Back door opener switch
–Combination switch (passing, lighting switch 1ST position, front fog lamp)
–Key fob (lock/unlock signal)
–Key cylinder switch

When control performed only by BCM is required by switch, it shifts to CAN communication inactive
mode.

Status of combination switch reading function is changed.

BL-2Revision: 2005 July 2005 FX
CHECK DOOR SWITCH (EXCEPT BACK DOOR
SWITCH) .......................................................... ... 42
CHECK BACK DOOR SWITCH ....................... ... 44
Check Key Switch ................................................ ... 46
Check Door Lock and Unlock Switch .................. ... 48
Check Door Lock Actuator (Driver Side) .............. ... 50
Check Door Lock Actuator (Passenger Side and
Rear LH/RH) ........................................................ ... 51
Check Fuel Lid Opener Actuator ......................... ... 52
Check Front Door Key Cylinder Switch (Lock) .... ... 53
Check Front Door Key Cylinder Switch (Unlock) . ... 54
Check Select Unlock Relay Circuit ...................... ... 55
REMOTE KEYLESS ENTRY SYSTEM .................. ... 56
Component Parts and Harness Connector Location ... 56
System Description .............................................. ... 57
INPUTS ............................................................ ... 57
OPERATED PROCEDURE .............................. ... 58
CAN Communication System Description ........... ... 59
CAN Communication Unit .................................... ... 59
Schematic ............................................................ ... 60
Wiring Diagram — KEYLES— ............................. ... 61
FIG. 1 ................................................................ ... 61
FIG. 2 ................................................................ ... 62
FIG. 3 ................................................................ ... 63
Terminals and Reference Value for BCM ............. ... 64
Terminals and Reference Value for IPDM E/R ..... ... 65
CONSULT-II Function (BCM) ............................... ... 66
CONSULT-II INSPECTION PROCEDURE ....... ... 66
CONSULT-II APPLICATION ITEMS ................. ... 67
Work Flow ............................................................ ... 69
Trouble Diagnosis Chart by Symptom ................. ... 70
Check Key Fob Battery and Function .................. ... 72
Check ACC Switch .............................................. ... 73
Check Door Switch .............................................. ... 74
CHECK DOOR SWITCH (EXCEPT BACK DOOR
SWITCH) .......................................................... ... 74
CHECK BACK DOOR SWITCH ....................... ... 76
Check Key Switch ................................................ ... 78
Check Remote Keyless Entry Receiver ............... ... 79
Check IPDM E/R Operation ................................. ... 82
Check Hazard Warning Lamp Function ............... ... 83
Check Horn Function ........................................... ... 83
Check Headlamp Function .................................. ... 83
Check Map Lamp and Ignition Keyhole Illumination
Function ............................................................... ... 83
ID Code Entry Procedure .................................... ... 84
KEY FOB ID SET UP WITH CONSULT-II ........ ... 84
KEY FOB ID SET UP WITHOUT CONSULT-II . ... 86
Removal and Installation of Remote keyless Entry
receiver ................................................................ ... 87
REMOVAL ........................................................ ... 87
INSTALLATION ................................................. ... 87
Key Fob Battery Replacement ............................. ... 88
INTELLIGENT KEY SYSTEM ................................ ... 89
Component Parts and Harness Connector Location ... 89
System Description .............................................. ... 91
DOOR LOCK FUNCTION ................................ ... 91
REMOTE CONTROL ENTRY FUNCTIONS ..... ... 92
ENGINE STARTUP FUNCTION ....................... ... 93 WARNING AND ALARM FUNCTION ...............
... 94
CHANGE SETTINGS FUNCTION .................... ... 97
INTELLIGENT KEY REGISTRATION ............... ... 97
STEERING LOCK UNIT REGISTRATION ........ ... 97
CAN Communication System Description ........... ... 98
CAN Communication Unit .................................... ... 98
Schematic ............................................................ ... 99
Wiring Diagram — I/KEY— .................................. .101
Terminals and Reference Value for INTELLIGENT
KEY UNIT ............................................................ .114
Terminals and Reference Value for Steering Lock
unit ....................................................................... .116
Terminals and Reference Value for BCM ............. .116
Terminals and Reference Value for IPDM E/R ..... .117
Diagnosis Procedure ............................................ .118
WORK FLOW ................................................... .118
CONSULT-II Functions ........................................ .119
CONSULT-II Inspection Procedure ...................... .119
BASIC OPERATION ......................................... .119
CONSULT-II Application Items ............................. .120
WORK SUPPORT ............................................ .120
SELF-DIAGNOSTIC RESULTS ........................ .120
DATA MONITOR ............................................... .120
ACTIVE TEST ................................................... .121
List of Operation Related Parts ............................ .122
Trouble Diagnosis Symptom Chart ...................... .123
ALL FUNCTIONS OF THE INTELLIGENT KEY
ARE NOT OPERATING .................................... .123
REMOTE CONTROL ENTRY FUNCTION MAL-
FUNCTION ....................................................... .123
DOOR LOCK FUNCTION MALFUNCTION ...... .124
ENGINE START FUNCTION MALFUNCTION . .125
WARNING CHIME FUNCTION MALFUNCTION .125
Check CAN Communication System Inspection .. .128
Check Intelligent Key Unit Power Supply and
Ground Circuit ...................................................... .129
Check Key Switch (Intelligent Key Unit Input) ...... .129
Check Key Switch (BCM Input) ............................ .131
Check Ignition Knob Switch ................................. .132
Check Door Switch .............................................. .133
CHECK DOOR SWITCH (EXCEPT BACK DOOR
SWITCH) ........................................................... .133
CHECK BACK DOOR SWITCH ........................ .134
Check Unlock Sensor .......................................... .136
Check Door Request Switch ................................ .137
Check Intelligent Key Warning Buzzer ................. .139
Check Outside Key Antenna ................................ .140
Check Inside Key Antenna ................................... .143
Check Steering Lock Unit ..................................... .144
Check Stop Lamp Switch ..................................... .146
Check Detention Switch ....................................... .147
Check Select Unlock Relay .................................. .149
Check Hazard Function ....................................... .150
Check Horn Function ........................................... .150
Check Headlamp Function ................................... .150
Check IPDM E/R Operation ................................. .150
Removal and Installation of Intelligent Key Unit ... .151
REMOVAL ......................................................... .151

BL-3
C
D E
F
G H
J
K L
M A
B
BL
Revision: 2005 July 2005 FX
INSTALLATION ................................................
. 151
Intelligent Key Battery Replacement ................... . 152
INTELLIGENT KEY BATTERY INSPECTION .. . 152
DOOR .................................................................... . 153
Fitting Adjustment ............................................... . 153
FRONT DOOR ................................................. . 153
REAR DOOR ................................................... . 153
STRIKER ADJUSTMENT ................................ . 154
Removal and Installation of Front Door ............... . 154
REMOVAL ........................................................ . 154
INSTALLATION ................................................ . 155
Removal and Installation of Rear Door ............... . 155
REMOVAL ........................................................ . 155
INSTALLATION ................................................ . 156
Removal and Installation of Door Weatherstrip ... . 156
REMOVAL ........................................................ . 156
INSTALLATION ................................................ . 156
FRONT DOOR LOCK ............................................ . 157
Removal and Installation ..................................... . 157
REMOVAL ........................................................ . 157
INSTALLATION ................................................ . 159
Disassembly and Assembly ................................ . 160
DOOR KEY CYLINDER ASSEMBLY ............... . 160
REAR DOOR LOCK .............................................. . 161
Removal and Installation ..................................... . 161
REMOVAL ........................................................ . 161
INSTALLATION ................................................ . 163
BACK DOOR ......................................................... . 164
Fitting Adjustment ............................................... . 164
VERTICAL/LATERAL CLEARANCE ADJUST-
MENT ............................................................... . 164
Back Door Assembly ........................................... . 164
REMOVAL ........................................................ . 164
INSTALLATION ................................................ . 165
INSPECTION ................................................... . 165
Removal and Installation of Back Door Striker .... . 165
REMOVAL ........................................................ . 165
INSTALLATION ................................................ . 165
Removal and Installation of Back Door Stay ....... . 166
REMOVAL ........................................................ . 166
INSTALLATION ................................................ . 166
Removal and Installation of Dave Tail Male &
Female ................................................................ . 166
REMOVAL ........................................................ . 166
INSTALLATION ................................................ . 167
Removal and Installation of Back Door Weatherstrip . 167
REMOVAL ........................................................ . 167
INSTALLATION ................................................ . 167
BACK DOOR LOCK ASSEMBLY ......................... . 168
Removal and Installation of Back Door Lock & Clo-
sure Assembly ..................................................... . 168
REMOVAL ........................................................ . 168
INSTALLATION ................................................ . 168
INSPECTION ................................................... . 168
Removal and Installation of Back Door Opener
Switch .................................................................. . 168
REMOVAL ........................................................ . 168 INSTALLATION ................................................
.169
Disassembly and Assembly ................................. .169
BACK DOOR LOCK & CLOSURE ASSEMBLY .169
BACK DOOR AUTO CLOSURE SYSTEM ............ .170
Component Parts and Harness Connector Location .170
System Description .............................................. .170
CLOSE OPERATION ....................................... .170
NON-OPERATION CONDITION ...................... .170
OPEN OPERATION ......................................... .171
Wiring Diagram — B/CLOS — ............................ .172
Terminals and Reference Value for Back Door Clo-
sure Control Unit .................................................. .174
Work Flow ............................................................ .175
Preliminary Check ............................................... .175
Trouble Diagnosis Chart by Symptom ................. .175
Back Door Closure Control Unit Power Supply and
Ground Circuit Check .......................................... .176
Half-Latch Switch Check ..................................... .176
Close Switch Check ............................................. .178
Open Switch Check ............................................. .179
Back Door Opener Switch Check (With Intelligent
Key) ..................................................................... .180
Back Door Opener Switch Check (Without Intelli-
gent Key) ............................................................. .182
Unlock Sensor Check (Without Intelligent Key) ... .184
Closure Motor Check ........................................... .185
Removal and Installation of Back Door Closer Con-
trol Unit ................................................................ .185
VEHICLE SECURITY (THEFT WARNING) SYSTEM .186
Component Parts and Harness Connector Location .186
System Description .............................................. .188
DESCRIPTION ................................................. .188
POWER SUPPLY ............................................. .189
INITIAL CONDITION TO ACTIVATE THE SYS-
TEM .................................................................. .189
VEHICLE SECURITY SYSTEM ALARM OPER-
ATION ............................................................... .190
VEHICLE SECURITY SYSTEM DEACTIVATION .190
PANIC ALARM OPERATION ........................... .190
CAN Communication System Description ........... .191
CAN Communication Unit .................................... .191
Schematic ............................................................ .192
Wiring Diagram -VEHSEC- .................................. .193
Terminals and Reference Value for BCM ............ .198
Terminals and Reference Value for IPDM E/R .... .199
CONSULT-II Function (BCM) .............................. .200
CONSULT-II APPLICATION ITEM ................... .201
Trouble Diagnosis ................................................ .202
WORK FLOW ................................................... .202
Preliminary Check ............................................... .203
Trouble Diagnosis Symptom Chart ...................... .204
Diagnostic Procedure 1 ....................................... .205
1 – 1 DOOR SWITCH CHECK ......................... .205
1 – 2 HOOD SWITCH CHECK ......................... .207
1 – 3 BACK DOOR SWITCH CHECK .............. .209
Diagnostic Procedure 2 ....................................... .211
SECURITY INDICATOR LAMP CHECK .......... .211
Diagnostic Procedure 3 ....................................... .212
FRONT DOOR KEY CYLINDER SWITCH

PRECAUTIONS BL-5
C
D E
F
G H
J
K L
M A
B
BL
Revision: 2005 July 2005 FX
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
AIS004L9
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 and SB section of this Service Man-
ual.
WARNING:

To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.

Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.

Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions Necessary for Steering Wheel Rotation After Battery DisconnectAIS00583
NOTE:

This Procedure is applied only to models with Intelligent Key system and NVIS/IVIS (NISSAN/INFINITI
VEHICLE IMMOBILIZER SYSTEM - NATS).

Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″ LOCK ″ position.

Always use CONSULT-II to perform self-diagnosis as a part of each function inspection after finishing
work. If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NVIS/IVIS, an electrically controlled steering lock
mechanism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC ″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be rotated.
4. Perform the necessary repair operation.
5. When the repair work is completed, return the ignition switch to the ″LOCK ″ position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of all control units using CONSULT-II.
Precautions for WorkAIS004LA

After removing and installing the opening/closing parts, be sure to carry out fitting adjustments to check
their operation.

Check the lubrication level, damage, and wear of each part. If necessary, grease or replace it.

BL-22
POWER DOOR LOCK SYSTEM
Revision: 2005 July 2005 FX
Component Parts and Harness Connector LocationAIS004LO
System DescriptionAIS004LP
Power is supplied at all times

through 50A fusible link (letter M , located in the fuse and fusible link box).

to BCM terminal 55

thought 15A fuse [No. 22, located in the fuse block (J/B)]

to BCM terminal 42

thought 15A fuse [No. 22, located in the fuse block (J/B)]

to key switch terminal 2 (without intelligent key system)

thought 15A fuse [No. 22, located in the fuse block (J/B)].

to key switch and ignition knob switch terminal 3 (with intelligent key system)
When key switch is ON (key is inserted in ignition key cylinder), power is supplied

through key switch terminal 1 (without intelligent key system) or 4 (with intelligent key system).

to BCM terminal 37
When the door is locked or unlocked with power window main switch (door lock and unlock switch), ground is
supplied

to CPU of power window main switch

through power window main switch (door lock and unlock switch) terminal 17

through grounds M35, M45 and M85.
Then power window main switch (door lock and unlock switch) operation signal is supplied.

through power window main switch terminal 14.

to BCM terminal 22
When the door is locked or unlocked with front power window switch (passenger side) (door lock and unlock
switch), ground is supplied

to CPU of front power window switch (passenger side)

through front power window switch (passenger side) (door lock and unlock switch) terminal 11

through grounds M35, M45 and M85.
Then front power window switch (passenger side) (door lock and unlock switch) operation signal is supplied

through front power window switch (passenger side) terminal 16.

to BCM terminal 22
When the door is locked with front door key cylinder switch, ground is supplied

to power window main switch terminal 4

through key cylinder switch terminals 1 and 5

through grounds M35, M45 and M85.
PIIA6412E