check INFINITI M35 2006 Factory Service Manual

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INTELLIGENT KEY SYSTEM
Revision: 2006 January2006 M35/M45
ACTIVE TEST
PANIC ALARM DELAYPanic alarm button's pressing time on Intelligent Key remote control button can be selected from
the following with this mode. The operation mode will be changed when “CHANGE SETT” on
CONSULT-II screen is touched.0.5 sec
1.5 sec
OFF: Non-operation
TRUNK/GLASS HATCH OPENBuzzer reminder function mode by trunk opener request switch can be changed to operate (ON)
or not operate (OFF) with this mode. The operation mode will be changed when “CHANGE
SETT” on CONSULT-II screen is touched.
TRUNK OPEN DELAYTrunk button's pressing time on Intelligent Key button can be selected from the following with this
mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-II screen is
touched.
0.5 sec
1.5 sec
OFF: Non-operation
P/W DOWN DELAYUnlock button's pressing time on Intelligent Key button can be selected from the following with
this mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-II screen
is touched.
3 sec
5 sec
OFF: Non-operation
ENGINE START BY I-KEYEngine start function mode can be changed to operate (ON) or not operate (OFF) with this mode.
The operation mode will be changed when “CHANGE SETT” on CONSULT-II screen is touched.
LOCK/UNLOCK BY I-KEYDoor lock/unlock function by door request switch (driver side, passenger side and trunk) mode
can be changed to operate (ON) or not operate (OFF) with this mode. The operation mode will be
changed when “CHANGE SETT” on CONSULT-II screen is touched. Monitor item Description
Test item Description
DOOR LOCK/UNLOCKThis test is able to check door lock/unlock operation.
The all door lock actuators are locked when “LOCK” on CONSULT-II screen is touched.
The all door lock actuators are unlocked when “ALL UNLK” on CONSULT-II screen is touched.
The door lock actuator (driver side) is unlocked when “DR UNLK” on CONSULT-II screen is
touched.
The door lock actuator (passenger side) is unlocked when “AS UNLK” on CONSULT- II screen
is touched.
The trunk lid opener actuator is open when “TRUNK OPEN” on CONSULT- II screen is
touched.
ANTENNAThis test is able to check Intelligent Key antenna operation.
When the following conditions are met, hazard warning lamps flash.
Inside key antenna (Instrument center) detects Intelligent Key, when “ROOM ANT1” on CON-
SULT-II screen is touched.
Inside key antenna (Center console) detects Intelligent Key, when “ROOM ANT2” on CON-
SULT-II screen is touched.
Inside key antenna (rear seat) detects Intelligent Key, when “ROOM ANT3” on CONSULT-II
screen is touched.
Inside key antenna (Trunk room) detects Intelligent Key, when “LAG ANT1” on CONSULT-II
screen is touched.
Outside key antenna (Driver side) detects Intelligent Key, when “DRIVER ANT” on CONSULT-II
screen is touched.
Outside key antenna (Passenger side) detects Intelligent Key, when “ASSIST ANT” on CON-
SULT-II screen is touched.
Outside key antenna (Trunk room) detects Intelligent Key, when “BD/TR ANT” on CONSULT-II
screen is touched.

INTELLIGENT KEY SYSTEM
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Revision: 2006 January2006 M35/M45
OUTSIDE BUZZERThis test is able to check Intelligent Key warning buzzer operation.
Intelligent Key warning buzzer sounds when “ON” on CONSULT-II screen is touched.
INSIDE BUZZERThis test is able to check warning chime into combination meter operation.
Take away warning chime sounds when “TAKE OUT” on CONSULT-II screen is touched.
Key warning chime sounds when “KEY WARN” on CONSULT-II screen is touched.
P position warning chime sounds when “P RNG WARN” on CONSULT-II screen is touched.
ACC warning chime sounds when “ACC WARN” on CONSULT-II screen is touched.
INDICATORThis test is able to check warning lamp operation.
“KEY” Warning lamp illuminates when “KEY IND ON” on CONSULT-II screen is touched.
“KEY” Warning lamp flashes when “KEY IND FSH” on CONSULT-II screen is touched.
LCDThis test is able to check meter display information
Engine start information displays when “BRAKE/P” on CONSULT-II screen is touched.
Engine start information displays when “BRAKE/P/ON” on CONSULT-II screen is touched.
Key ID warning displays when “KEY ID NG” on CONSULT-II screen is touched.
Steering lock information displays when “STLCK RELES” on CONSULT-II screen is touched.
P position warning displays when “P RNG IND” on CONSULT-II screen is touched.
Intelligent Key insert information displays when “INSERT KEY” on CONSULT-II screen is
touched.
Intelligent Key low battery warning displays when “KEY BAT LOW” on CONSULT-II screen is
touched.
Take away through window warning displays when “TK AWAY WDW” on CONSULT-II screen is
touched.
Take away warning display when “TAKE AWAY” on CONSULT-II screen is touched.
OFF position warning display when “IGN OFF WARN” on CONSULT-II screen is touched.
P RANGEThis test is able to check A/T device power supply
A/T device power is supplied when “ON” on CONSULT-II screen is touched.
ENGINE SW ILLUMIThis test is able to check push-ignition switch illumination operation.
Push-ignition switch illumination illuminates when “ON” on CONSULT-II screen is touched.
LOCK INDCATORThis test is able to check LOCK indicator in push-ignition switch operation.
LOCK indicator in push-ignition switch illuminates when “ON” on CONSULT-II screen is touched.
ACC INDCATORThis test is able to check ACC indicator in push-ignition switch operation.
LOCK indicator in push-ignition switch illuminates when “ON” on CONSULT-II screen is touched.
IGNITION ON INDThis test is able to check INGITION ON indicator in push-ignition switch operation.
LOCK indicator in push-ignition switch illuminates when “ON” on CONSULT-II screen is touched.
KEY SLOT ILLUMIThis test is able to check key slot illumination operation.
Key slot illumination flash when “ON” on CONSULT-II screen is touched. Test item Description

BL-86
INTELLIGENT KEY SYSTEM
Revision: 2006 January2006 M35/M45
Trouble Diagnosis Symptom ChartNIS001XK
ALL FUNCTIONS OF INTELLIGENT KEY SYSTEM DOES NOT OPERATE
NOTE:
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
78, "Trouble Diagnosis Procedure" .
Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.
If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)
“ENGINE START BY I-KEY” and “LOCK/UNLOCK BY I-KEY” are ON when setting on CONSULT-II.
All doors are closed.
DOOR LOCK/UNLOCK FUNCTION MALFUNCTION
NOTE:
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
78, "Trouble Diagnosis Procedure" .
Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.
If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)
“LOCK/UNLOCK BY I-KEY” is ON when setting on CONSULT-II.
Intelligent Key is out of key slot.
All doors are closed.
Symptom Diagnosis/service procedure Reference page
All function of Intelligent Key system dose not
operate.1.Check Intelligent Key unit power supply and ground
circuit.BL-93
2. Check Intelligent Key battery inspection.BL-126
3. Check remote keyless entry receiver.BL-117
4. Replace Intelligent Key unit.BL-125
Symptom Diagnosis/service procedure Reference page
Door lock/unlock do not operate by door
request switch.1.Check Intelligent Key unit power supply and ground
circuit.BL-93
2. Check door switch.BL-96
3. Check key slot.BL-94
4. Replace Intelligent Key unit.BL-125
Door lock/unlock does not operate by request
switch (driver side).1. Check door request switch (driver side).BL-1012. Check outside key antenna (driver side).BL-108
3. Replace Intelligent Key unit.BL-125
Door lock/unlock does not operate by request
switch (passenger side).1. Check door request switch (passenger side).BL-1012. Check outside key antenna (passenger side).BL-108
3. Replace Intelligent Key unit.BL-125
Selective unlock function does not operate by
door request switch (driver side) (other door
lock function operate).1.Check “SELECT UNLOCK FUNCTION” setting in
“WORK SUPPORT”.BL-83
2.Check selective unlock function with a remote control-
ler or door key cylinder.BL-26
3. Replace BCM.BCS-17

INTELLIGENT KEY SYSTEM
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Revision: 2006 January2006 M35/M45
REMOTE KEYLESS ENTRY FUNCTION MALFUNCTION
NOTE:
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
78, "Trouble Diagnosis Procedure" .
Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.
If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)
Intelligent Key is out of key slot.
Ignition switch is not ON position.
All doors are closed.
Selective unlock function does not operate by
door request switch (passenger side) (other
door lock function operate).1.Check “SELECT UNLOCK FUNCTION” setting in
“WORK SUPPORT”.BL-83
2. Replace Intelligent Key unit.BL-125
Auto lock function does not operate.1.Check “AUTO RELOCK TIMER” setting in “WORK
SUPPORT”.BL-832. Check door switch.BL-96
3. Check key slot.BL-94
4. Replace BCM.BCS-17
Key reminder function does not operate.1.Check “ANTI KEY LOCK IN FUNCTION” setting in
“WORK SUPPORT”.BL-83
2. Check door switch.BL-96
3. Check inside key antenna.BL-112
4. Check unlock sensor.BL-105
5. Check Intelligent Key battery inspection.BL-126
6. Replace Intelligent Key unit.BL-125
Symptom Diagnosis/service procedure Reference page
Symptom Diagnosis/service procedureReference
page
All of the remote keyless entry functions
do not operate.1. Check Intelligent Key battery inspection.BL-126
2. Replace Intelligent Key unit.BL-125
Selective unlock function does not operate
by Intelligent Key.1.Check “SELECT UNLOCK FUNCTION” setting in “WORK SUP-
PORT”.BL-83
2. Check Intelligent Key battery inspection.BL-126
3. Replace Intelligent Key unit.BL-125
Auto lock function does not operate prop-
erly.1. Check “AUTO RELOCK TIMER” setting in “WORK SUPPORT”.BL-832. Check door switch.BL-96
3. Check key slot.BL-94
4. Replace BCM.BCS-17
Key reminder function does not operate.1.Check “ANTI KEY LOCK IN FUNCTION” setting in “WORK SUP-
PORT”.BL-83
2. Check door switch.BL-96
3. Check inside key antenna.BL-112
4. Check unlock sensor.BL-105
5. Check Intelligent Key battery inspection.BL-126
6. Replace Intelligent Key unit.BL-125

BL-88
INTELLIGENT KEY SYSTEM
Revision: 2006 January2006 M35/M45
TRUNK OPEN FUNCTION MALFUNCTION
NOTE:
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
78, "Trouble Diagnosis Procedure" .
Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.
If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)
Intelligent Key is out of key slot.
All doors are closed.
Panic alarm function does not operate.1. Check “PANIC ALARM DELAY” setting in “WORK SUPPORT”.BL-83
2. Check theft warning operation.BL-220
3. Check Intelligent Key battery inspection.BL-126
4. Check key slot.BL-94
5. Replace Intelligent Key unit.BL-125
Symptom Diagnosis/service procedureReference
page
Symptom Diagnosis/service procedure Reference page
Trunk open function does not operate by trunk
opener request switch.1. Check trunk opener request switch.BL-103

2. Check trunk lid opener cancel switch.BL-121
3. Check outside key antenna (trunk room).BL-110
4. Replace Intelligent Key unit.BL-125
Trunk open function does not operate by Intelli-
gent Key.1.Check “TRUNK OPEN DELAY” setting in “WORK
SUPPORT”.BL-832. Check trunk lid opener system.BL-209
3. Check trunk room lamp switch.BL-99
4. Check Intelligent Key battery inspection.BL-126
5. Replace Intelligent Key unit.BL-125
Key reminder function does not operate.1. Check door switch.BL-96
2. Check trunk room lamp switch.BL-99
3. Check inside key antenna (trunk room).BL-112
4. Check trunk lid opener system.BL-209
5. Replace Intelligent Key unit.BL-125

INTELLIGENT KEY SYSTEM
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HAZARD AND BUZZER REMINDER FUNCTION MALFUNCTION
NOTE:
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
78, "Trouble Diagnosis Procedure" .
If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)
“LOCK/UNLOCK BY I-KEY” is ON when setting on CONSULT-II.
“ANSWER BACK FUNCTION” is ON when setting on CONSULT-II.
Ignition switch is in OFF position.
All doors are closed.
Intelligent Key is out of key slot.
HAZARD AND HORN REMINDER FUNCTION MALFUNCTION
NOTE:
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
78, "Trouble Diagnosis Procedure" .
Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.
If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)
“ANSWER BACK FUNCTION” is ON when setting on CONSULT-II.
Ignition switch is in OFF position.
All doors are closed.
Symptom Diagnosis/service procedure Reference page
Hazard reminder does not operate by
request switch.
(Horn reminder operate.)1.Check “HAZARD ANSWER BACK” setting in “WORK
SUPPORT”.BL-83
2. Check hazard function with hazard switch.LT- 2 11
3. Replace Intelligent Key unit.BL-125
Buzzer reminder does not operate by request
switch.
(Hazard reminder operate.)1.Check “ANSWER BACK WITH I-KEY LOCK” or
“ANSWER BACK WITH I-KEY UNLOCK” setting in
“WORK SUPPORT”.BL-83
2. Check Intelligent Key warning buzzer.BL-107
3. Replace Intelligent Key unit.BL-125
Buzzer reminder does not operate by trunk
opener request switch.1.Check “TRUNK/GLASS HATCH OPEN” setting in “WORK
SUPPORT”.BL-832. Check Intelligent Key warning buzzer.BL-107
3. Check trunk opener lid system.BL-209
4. Replace Intelligent Key unitBL-125
Symptom Diagnosis/service procedure Reference page
Hazard reminder does not operate by Intelli-
gent Key button.
(Horn reminder operate.)1.Check “HAZARD ANSWER BACK” setting in “WORK
SUPPORT”.BL-83
2. Check hazard function with hazard switch.LT- 2 11
3. Replace Intelligent KeyBL-125
Horn reminder does not operate by Intelligent
Key button (door lock/unlock button).
(Hazard reminder operate.)1.Check “HORN WITH KEYLESS LOCK” setting in “WORK
SUPPORT”.BL-83
2. Check horn function.BL-124
3. Replace Intelligent Key unitBL-125

BL-90
INTELLIGENT KEY SYSTEM
Revision: 2006 January2006 M35/M45
POWER WINDOW DOWN FUNCTION MALFUNCTION
NOTE:
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
78, "Trouble Diagnosis Procedure" .
If the following “symptoms” are detected, check systems shown in the “Diagnoses/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)
Ignition switch is in OFF or ACC position.
Retaind power operation does not operate. Refer to GW-16, "RETAINED POWER OPERATION" .
WARNING FUNCTION MALFUNCTION
NOTE:
Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-
78, "Trouble Diagnosis Procedure" .
Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.
If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)
Warning chime functions operating condition is extremely complicated, during operating confirmations, recon-
firm the list above twice in order to ensure proper operation.
Symptom Diagnosis/service procedure Reference page
Power window down function does not
operate.1. Check “P/W DOWN DELAY” setting in “WORK SUPPORT”.BL-83
2. Check Intelligent Key battery inspection.BL-126
Symptom Diagnosis/service procedure Reference page
OFF position warn-
ing does not oper-
ate.For internal1. Check ignition switch position.BL-117
2. Check door switch.BL-96
3. Check warning chime function.BL-125
4. Replace Intelligent Key unit.BL-125
For external1. Check ignition switch position.BL-1172. Check door switch.BL-96
3. Check Intelligent Key warning buzzer.BL-107
4. Replace Intelligent Key unit.BL-125
P position warning does not operate.1. Check Park position switch.BL-115
2. Check door switch.BL-96
3. Check Intelligent Key warning buzzer.BL-107
4. Check warning chime function.BL-125
5. Check combination meter display.BL-124
6. Replace Intelligent Key unit. BL-125
ACC warning does not operate1. Check ignition switch position.BL-1172. Check warning chime function.BL-125
3. Check combination meter display.BL-124
4. Replace Intelligent Key unit.BL-125

INTELLIGENT KEY SYSTEM
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Take away warning
does not operate.Door open to close1. Check door switch.BL-96
2. Check inside key antenna.BL-112
3. Check Intelligent Key warning buzzer.BL-107
4. Check warning chime function.BL-125
5. Check key slot illumination.BL-123
6. Check combination meter display.BL-124
7. Replace Intelligent Key unit. BL-125
Push-button ignition
switch operation1. Check ignition switch position.BL-117
2. Check inside key antenna.BL-112
3. Check warning chime function.BL-125
4. Check key slot illumination.BL-123
5. Check combination meter display.BL-124
6. Replace Intelligent Key unit. BL-125
Door is open1. Check ignition switch position.BL-1172. Check inside key antenna.BL-112
3. Check combination meter display.BL-124
4. Replace Intelligent Key unit. BL-125
Take away through
window1.Check “TAKE OUT FROM WINDOW WARN” setting in
“WORK SUPPORT”.BL-83
2. Check inside key antenna.BL-112
3. Check warning chime function.BL-125
4. Check key slot illumination.BL-123
5. Check combination meter display.BL-124
6. Replace Intelligent Key unit. BL-125
Key warning chime does not operate.1. Check key slot.BL-94
2. Check door switch.BL-96
3. Check warning chime function.BL-125
4. Check key slot illumination.BL-123
5. Check combination meter display.BL-124
6. Replace Intelligent Key unit. BL-125
Door lock operation warning chime does
not operate.1. Check door switch.BL-96
2. Check key slot illumination.BL-123
3. Check Intelligent Key warning buzzer.BL-107
4. Check inside key antenna.BL-112
5. Replace Intelligent Key unit. BL-125
Symptom Diagnosis/service procedure Reference page

BL-92
INTELLIGENT KEY SYSTEM
Revision: 2006 January2006 M35/M45
Check CAN Communication SystemNIS001XL
1. CHECK SELF-DIAGNOSTIC RESULTS
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which performs CAN communication.
With CONSULT-II
Connect CONSULT-II, and turn ignition switch ON.
Touch “INTELLIGENT KEY” on “SELECT SYSTEM” screen.
Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.
Check display content in self-diagnostic results.
OK or NG
NO DTC IS DETECTED>> INSPECTION END
CAN COMM [U1000]>> After printing “SELF-DIAGNOSIS RESULTS”, go to “CAN SYSTEM”, Refer to LAN-
7, "Precautions When Using CONSULT-II" .
CAN COMM2 [U1010]>> Replace Intelligent Key unit.
CONSULT-II display item DTC code
NO DTC IS DETECTED —
CAN COMM U1000
CAN COMM2 U1010

INTELLIGENT KEY SYSTEM
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Check Power Supply and Ground CircuitNIS001XM
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit connector.
3. Check voltage between Intelligent Key unit harness connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace Intelligent Key power supply circuit.
2. CHECK GROUND CIRCUIT
Check continuity between Intelligent Key unit harness connector and ground.
OK or NG
OK >> Power supply and ground circuits are OK.
NG >> Repair or replace the Intelligent Key unit ground circuit.
Terminals
Voltage (V)
(Approx.) (+)
(–)
Intelligent Key unit
connectorTerminal
M32 1
Ground Battery voltage
M3341
57
PIIB6251E
Intelligent Key unit connector Terminal
GroundContinuity
M3220
Ye s 40
M3356
72
PIIB6318E