Infiniti FX35 / FX45. Manual - part 209

INTELLIGENT KEY SYSTEM

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< SERVICE INFORMATION >

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Diagnosis Procedure

INFOID:0000000001327846

WORK FLOW

CONSULT-III Functions (INTELLIGENT KEY)

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• CONSULT-III has display and inspection functions for work support, self-diagnosis, data monitor, and control

unit part number by combining data reception and command transmission via communication lines from the
Intelligent Key unit.

PIIA6736E

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< SERVICE INFORMATION >

INTELLIGENT KEY SYSTEM

CONSULT-III Application Item

INFOID:0000000001327849

WORK SUPPORT

SELF-DIAGNOSTIC RESULTS

DATA MONITOR

MAIN SIGNALS Display Item

Part to be diagnosed

Inspection Item, Diagnosis Mode

Description

Intelligent Key

WORK SUPPORT

• Performs Intelligent Key-ID registration, check, and deletion.
• Performs steering lock unit ID registration.
• Changes settings for each function (ON/OFF).

SELF-DIAG RESULTS

Intelligent Key unit performs CAN communication diagnosis.

DATA MONITOR

Displays Intelligent Key unit input data in real time.

CAN DIAG SUPPORT MNTR

The results of transmit/receive diagnosis of CAN communication can 
be read.

ACTIVE TEST

Sends drive signals door lock actuator, buzzer or combination meter to 
perform operation check.

ECU PART NUMBER

Displays Intelligent Key unit part No.

Monitor item

Description

CONFIRM KEY FOB ID

The Intelligent Key ID can be confirmed.

TAKE OUT FROM WINDOW WARN

The condition of Intelligent Key warning function can be changed.

LOW BATT OF KEY FOB WARN

The condition of low battery warning function can be changed.

I-KEY FUNCTION

The condition of Intelligent Key's function can be changed.

ANSWER BACK FUNCTION

The condition of answer back function can be changed.

HORN WITH KEYLESS LOCK

The condition of key reminder function can be set.

SELECTIVE UNLOCK FUNCTION

The condition of selective unlock function can be changed.

HAZARD ANSWER BACK

The condition of key reminder function can be set.

ANSWER BACK WITH I-KEY LOCK

The condition of key reminder function (LOCK) can be changed.

ANSWER BACK WITH I-KEY UNLOCK

The condition of key reminder function (UNLOCK) can be changed.

AUTO RELOCK TIMER

This mode is able confirm and changed auto door lock function operation time set-
ting.

PANIC ALARM DELAY

This mode is able to confirm and change panic alarm function operation delay time 
setting.

P/W DOWN DELAY

This mode is able to confirm and change remote window open function.

ENGINE START BY I-KEY

This mode is able to confirm and change start function ON - OFF setting.

LOCK/UNLOCK BY I-KEY

The condition of lock/unlock function can be set.

LUG ROOM ENGINE START

This mode is able to confirm and change operation range.

Self-diag results

Description

Diagnosis procedure

Reference page

CAN COMM
[U1000]

Malfunction is detected in CAN communication.

Check CAN communication system.

BCS-13

STRG COMM1
[B2013]

Malfunction is detected in communication of Intel-
ligent Key unit and steering lock unit.

Check steering lock unit.

BL-124

STRG COMM2
[B2014]

Malfunction is detected in communication of Intel-
ligent Key unit and steering lock unit.

Check steering lock unit.

BL-124

INTELLIGENT KEY SYSTEM

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< SERVICE INFORMATION >

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ACTIVE TEST

List of Operation Related Parts

INFOID:0000000001327850

Parts marked with 

×

 are the parts related to operation.

Monitor item [OPERATION]

Description

PUSH SWITCH

[ON/OFF]

Displays status (Ignition knob switch ON/ignition knob switch OFF) as judged from 
ignition knob switch signal.

KEY SW

[ON/OFF]

Displays status (Key inserted: ON/Key removed: OFF) as judged by key switch.

DR REQ SW

[ON/OFF]

Displays status (Operable: ON/Non-operable: OFF) as judged from door request 
switch (driver side) signal.

AS REQ SW

[ON/OFF]

Displays status (Operable: ON/Non-operable: OFF) as judged from door request 
switch (passenger side) signal.

BD/TR REQ SW

[ON/OFF]

Displays status (Operable: ON/Non-operable: OFF) as judged from door request 
switch (back door) signal.

IGN SW

[ON/OFF]

Displays status (Ignition knob ON position: ON/Ignition knob OFF position: OFF) as 
judged from ignition switch signal.

ACC SW

[ON/OFF]

Displays status (Ignition switch ACC position: ON/Ignition switch OFF position: 
OFF) as judged from ignition switch signal.

DOOR STAT SW

[ON/OFF]

Displays status from door unlock sensor ON/OFF condition.

STOP LAMP SW

[ON/OFF]

Displays status (Brake pedal depress: ON/brake pedal not depress: OFF) as 
judged from stop lamp switch signal.

P RANGE SW

[ON/OFF]

Displays status from park/neutral position switch ON/OFF condition.

BD OPEN SW

[ON/OFF]

Displays status (Back door open: ON/Back door closed: OFF) as judged from back 
door opener switch signal.

Monitor item

Description

DOOR LOCK/UNLOCK

This test is able to check all door lock actuators lock/unlock operation. These actu-
ators lock when “ON” on CONSULT-III screen is touched.

OUTSIDE BUZZER

This test is able to check Intelligent Key warning buzzer operation. The buzzer will 
be activated on when “ON” on CONSULT-III screen is touched.

INSIDE BUZZER

This test is able to check buzzer (built-in combination meter) operation. The buzzer 
will be activated on when “ON” on CONSULT-III screen is touched.

INDICATOR

This test is able to check warning lamp operation. The lamp will be turned on when 
“ON” on CONSULT-III screen is touched.

Will not operate if there is a malfunction in 

the area where there is a 

×

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Door lock/unlock operation using Intelligent 
Key remote controller button operation

×

×

×

×

×

×

×

Door lock/unlock operation using door re-
quest switch operation

×

×

×

×

×

×

×

×

×

Selective door unlock function using door 
request switch operation

×

×

×

×

×

×

×

×

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< SERVICE INFORMATION >

INTELLIGENT KEY SYSTEM

Trouble Diagnosis Symptom Chart

INFOID:0000000001327851

ALL FUNCTIONS OF THE INTELLIGENT KEY ARE NOT OPERATING

Selective door unlock function using Intelli-
gent Key remote controller button operation

×

×

×

×

×

×

Door lock/unlock operation using mechani-
cal key

×

Ignition knob rotation permission using In-
telligent Key

×

×

×

×

×

×

×

×

Ignition knob rotation permission using me-
chanical key

×

×

×

×

×

×

×

Engine start using Intelligent Key

×

×

×

×

×

×

×

×

×

Engine start using mechanical key

×

×

×

×

×

×

×

Key reminder door lock operation

×

×

×

×

×

×

×

×

Selector lever reminder operation

×

×

×

×

×

×

Ignition switch return forgotten warning

×

×

×

×

×

×

×

Ignition key warning (when using mechani-
cal key)

×

×

×

×

Ignition switch OFF position warning (for in-
side car: when door closed)

×

×

×

×

×

×

×

Ignition switch OFF position warning (for 
outside car: when door opened/closed)

×

×

×

×

×

×

×

×

×

×

Warning for removal of Intelligent Key to 
outside the car (when door open/closed)

×

×

×

×

×

×

×

×

×

×

Warning for removal of Intelligent Key to 
outside the car (from window)

×

×

×

×

×

×

×

×

Door lock non-operation warning

×

×

×

×

×

×

×

×

×

Intelligent key low battery warning

×

×

×

×

×

Will not operate if there is a malfunction in 

the area where there is a 

×

.

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Combination meter

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Symptom

Diagnoses service procedure

Refer to page

“KEY” and “P shift” warning lamps in combination 
meter do not light up at all.

1.

Check Intelligent Key unit power supply and ground cir-
cuit

BL-111

2.

Check CAN communication

BCS-13

3.

Replace Intelligent Key unit

BL-130