display INFINITI FX35 2008 Service Manual

INTELLIGENT KEY SYSTEMBL-103
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Diagnosis ProcedureINFOID:0000000001327846
WORK FLOW
CONSULT-III Functions (INTELLIGENT KEY)INFOID:0000000001327847
 CONSULT-III has display and inspection functions for work support, self-diagnosis, data monitor, and control
unit part number by combining data reception and co mmand transmission via communication lines from the
Intelligent Key unit.
PIIA6736E
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BL-104
< 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 Intellig ent Key's function can be changed.
ANSWER BACK FUNCTION The co ndition of answer back function can be changed.
HORN WITH KEYLESS LOCK The condition of key reminder function can be set.
SELECTIVE UNLOCK FUNCTION The co ndition 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 ke y reminder function (LOCK) can be changed.
ANSWER BACK WITH I-KEY UNLOCK The condition of ke y 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
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INTELLIGENT KEY SYSTEMBL-105
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ACTIVE TEST
List of Operation Related PartsINFOID:0000000001327850
Parts marked with × are the parts related to operation.
Monitor item [OPERATION] Description
PUSH SWITCH [ON/OFF] Displays status (Ignition knob switch ON/i
gnition 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 ×.
Intelligent Key
Key switch
Ignition knob switch ACC switch
Ignition switch
Door unlock sensor
Door switch
Door request switch
Inside key antenna
Out side key antenna
Intelligent Key warning buzzer Intelligent Key unit
CAN communication system
BCM
Combination meter
Steering lock unit
Stop lamp switch Detention switch
Passenger side select unlock relay
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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INTELLIGENT KEY SYSTEMBL-111
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Check CAN Comm unication System InspectionINFOID:0000000001534751
1.PERFORM SELF DIAGNOSTIC
1. Turn ignition switch ON and wait for 2 seconds or more.
2. Check “Self Diagnostic Result” of BCM.
Is
“CAN COMM CIRCUIT” displayed?
YES >> Refer to BCS-13, "U1000 CAN Communication Circuit".
NO >> INSPECTION END.
Check Intelligent Key Unit Power Supply and Ground CircuitINFOID:0000000001327853
1.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition knob OFF position.
2. Disconnect Intelligent Key unit connector.
3. Check voltage between Intelligent Key unit connector and ground.
OK or NG
Door lock non-operation warning does not
sound. Intelligent Key warning chime does not sound
1. Intelligent Key battery inspection BL-130
2. Check door request switch BL-119
3. Check inside key antennaBL-123
4. Check Intelligent Key warning buzzerBL-120
5. Replace Intelligent Key unitBL-130
Ignition knob OFF position warning chime does not sound
1. Intelligent Key battery inspection BL-130
2. Check door request switch BL-119
3. Check outside key antennaBL-121
4. Check Intelligent Key warning buzzerBL-120
5. Check ignition knob switch BL-114
6. Replace Intelligent Key unitBL-130
Door ajar alarm
1. Check CAN communications BCS-13
2. Check door request switch BL-119
3. Check outside key antennaBL-121
4. Check Intelligent Key warning buzzerBL-120
5. Check door switch BL-115
6. Intelligent Key battery inspectionBL-130
7. Replace Intelligent Key unitBL-130
Symptom Diagnoses service procedure Refer to page
ConnectorTe r m i n a l
(Wire color) Ignition knob position
M34 (+) (–) OFF ACC ON
6
(W)
Ground 0V 0V Battery voltage
10
(LG) 0V Battery voltage Battery voltage
11
(L/R) Battery voltage Battery voltage Battery voltage
MIIB0360E
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BL-112
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
OK >> GO TO 2.
NG >> Repair or replace Intelligent Key power supply circuit.
2.CHECK GROUND CIRCUIT
Check continuity between Intelligent Key unit connector M34 termi-
nal 12 (B) and ground.
OK or NG
OK >> Power supply and ground circuits are normal.
NG >> Repair or replace the Intelligent Key unit ground circuit.
Check Key Switch (Intel ligent Key Unit Input)INFOID:0000000001327854
1.CHECK KEY SWITCH
With CONSULT-III
Display “KEY SW” on DATA MONITOR screen, and check if ON-OFF display is linked to insertion of mechan-
ical key in ignition knob.
OK or NG
OK >> Key switch is OK.
NG >> GO TO 2.
2.CHECK KEY SWITCH PO WER SUPPLY CIRCUIT
1. Remove mechanical key from ignition knob.
2. Disconnect key switch and ignition knob switch connector.
3. Check voltage between key switch and ignition knob switch connector M22 terminal 3 (L/R) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace key switch power supply circuit.
3.CHECK KEY SWITCH OPERATION
Check continuity between key switch and ignition knob switch terminals 3 and 4.
OK or NG
OK >> GO TO 4.
NG >> Replace key switch. 12 (B) - Ground : Continuity should exist.
MIIB0361E
When key is inserted in ignition knob : ON
When key is removed in ignition knob : OFF
3 (L/R) - Ground : Battery voltage
PIIA6738E
Terminals Condition Continuity
34 Key is inserted in ignition key cylinder. Yes
Key is removed from ignition key cylinder. No
PIIA6140E
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BL-114
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
1. Disconnect key switch and ignition knob switch connector andBCM connector.
2. Check continuity between key switch and ignition knob switch
connector M22 terminal 4 (B/W) and BCM connector M3 termi-
nal 37 (B/W).
3. Check continuity between key switch and ignition knob switch connector M22 terminal 4 (B/W) and ground.
OK or NG
OK >> Key switch (BCM input) circuit is OK.
NG >> Repair or replace harness between key switch and ignition knob switch and BCM.
Check Ignition Knob SwitchINFOID:0000000001327856
1.CHECK IGNITION KNOB SWITCH
With CONSULT-III
Display “PUSH SW” on “DATA MONITOR” screen, and check if ON/OFF display is linked to ignition knob oper-
ation.
OK or NG
OK >> Ignition knob switch is OK.
NG >> GO TO 2.
2.CHECK IGNITION KNOB SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition knob LOCK position.
2. Disconnect key switch and ignition knob switch connector.
3. Check voltage between key switch and ignition knob switch connector M22 terminal 1 (L/R) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace key switch and ignition knob switch power supply circuit.
3.CHECK IGNITION KNOB SWITCH OPERATION
Check continuity between key switch and ignition knob switch terminals 1 and 2. 4 (B/W) – 37 (B/W) : Cont
inuity should exist.
4 (B/W) – Ground : Conti nuity should not exist.
PIIA5095E
Press ignition knob. : ON
Return ignition knob (release hands
from ignition knob) : OFF
1 (L/R) - Ground : Battery voltage
PIIA6741E
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INTELLIGENT KEY SYSTEMBL-119
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Check Door Request SwitchINFOID:0000000001327859
1.CHECK DOOR REQUEST SWITCH
With CONSULT-III
Display “DR REQ SW” (driver door), “AS REQ SW” (passenger door) and “BD/TR REQ SW” (back door) on
DATA MONITOR screen, and check if ON-OFF display is linked to door request switch operation.
OK or NG
OK >> Door request switch is OK.
NG >> GO TO 2.
2.CHECK DOOR REQUEST SWITCH SIGNAL
1. Turn ignition knob LOCK position.
2. Disconnect door request switch connector.
3. Check voltage between door request switch connecto r D12 (driver door), D42 (passenger door), D113
(back door) terminal 1 and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 5.
3.CHECK DOOR REQUEST SWITCH OPERATION
Check continuity between door request switch D12 (driver door), D42 (passenger door), D113 (back door) ter-
minals 1 and 2.
OK or NG
OK >> GO TO 4.
NG >> Replace door request switch.
4.CHECK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between door request switch connector D12 (driver side), D42 (passenger side), D113 (back
door) terminal 2 (B) and ground. Press door request switch. : ON
Release door request switch. : OFF
Driver 1 (SB) - Ground : Approx. 5V
Passenger 1 (GY) - Ground : Approx. 5V
Back door 1 (GY) - Ground : Approx. 5V
PIIA6744E
Terminal Condition Continuity
12 Press door request switch Yes
Return door request switch No
PIIA9930E
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BL-174
< SERVICE INFORMATION >
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Terminal and Reference Value for IPDM E/R
INFOID:0000000001327911
CONSULT-III FunctionINFOID:0000000001327912
WORK SUPPORT
DATA MONITOR
62 W Front door switch
driver side signal Input ON (Open)
→ OFF (Closed) 0 → Battery voltage
63 P Rear door (LH) switch sig-
nal Input ON (Open)
→ OFF (Closed) 0 → Battery voltage
Terminal Wire color Item
Signal
Input/
output Condition
Voltage (V)
(Approx.)
Terminal Wire color Item Signal
Input/
output Condition
Voltage (V)
(Approx.)
20 LG Headlamp low (RH) Output Lighting switch 2ND position
ON
→ OFF Battery voltage
→ 0
27 BR Headlamp high (RH) Output Lighting switch HIGH or PASS
position
ON
→ OFF Battery voltage
→ 0
28 SB Headlamp high (LH) Output Lighting switch HIGH or PASS
position
ON
→ OFF Battery voltage
→ 0
30 GY Headlamp low (LH) Output Lighting switch 2ND position
ON
→ OFF Battery voltage
→ 0
38 B Ground (power) — — 0
48 L CAN-H Input/
Output ——
49 R CAN-L Input/
Output ——
51 SB Horn relay control signal Output Panic alarm is operating 0
Other than above Battery voltage
56 LG Hood switch signal Input ON (Open) → OFF (closed) 0 → Battery voltage
60 B Ground (signal) — — 0
BCM diagnosis test item Check item diagnosis test mode Content
Theft alm WORK SUPPORT Change setting of each function.
DATA MONITOR Displays the input data of BCM real time. ACTIVE TEST Gives a drive signal to a load to check the operation.
Test Item Description
SECURITY ALARM SET This mo de is able to confirm and change security alarm ON-OFF setting.
THEFT ALM TRG The switch which triggered vehicle security alarm is recorded. This mode is able to confirm and
erase the record of vehicle security alarm. The trigger data can be erased by touching “CLEAR” on
CONSULT-III screen.
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VEHICLE SECURITY (THEFT WARNING) SYSTEMBL-175
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O PACTIVE TEST
Monitored Item Description
IGN ON SW Indicates [ON/OFF] condition of ignition switch.
ACC ON SW Indicates [ON/OFF] condition of ignition switch in ACC position.
KEY ON SW Indicates [ON/OFF] condition of key switch.
TRUNK OPNR SW This is displayed ev en when it is not equipped.
TRUNK CYL SW This is displayed ev en when it is not equipped.
TRUNK OPN MNTR This is displayed even when it is not equipped.
KEYLESS LOCK Indicates [ON/OFF] conditio n of lock signal from key fob.
KEYLESS UNLOCK Indicates [ON/O FF] condition of unlock signal from key fob.
KEYLESS TRUNK Indicates [ON/OFF] condition of trunk opener signal from key fob.
HOOD SW Indicates [ON/OFF] condition of hood switch.
DOOR SW-DR Indicates [ON/OFF] cond ition of front door switch LH.
DOOR SW-AS Indicates [ON/OFF] condition of front door switch RH.
DOOR SW-RR Indicates [ON/OFF] condition of rear door switch RH.
DOOR SW-RL Indicates [ON/OFF] condition of rear door switch LH.
BACK DOOR SW Indicates [ON/OFF] condition of back door switch.
KEY CYL LK SW Indicates [ON/OFF] condition of lock signal from key cylinder switch.
KEY CYL UN SW Indicates [ON/OFF] condition of unlock signal from key cylinder switch.
CDL LOCK SW Indicates [ON/OFF] condition of lock signal from door lock/unlock switch LH and RH.
CDL UNLOCK SW Indicates [ON/OFF] condition of unlock signal from door lock/unlock switch LH and RH.
Test Item Description
THEFT IND This test is able to check security indicator lamp operation. The lamp will be turned on when “ON”
on CONSULT-III screen is touched.
ANTI THEFT HORN This test is able to check vehicle security horn operation. The horns will be activated for 0.5 sec-
onds after “ON” on CONSULT-III screen is touched.
HEADLAMP(HI) This test is able to check vehicle security lamp operation. The headlamps will be activated for 0.5
seconds after “ON” on CONSULT-III screen is touched.
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VEHICLE SECURITY (THEFT WARNING) SYSTEMBL-183
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With CONSULT-III
Check (“THEFT IND”) in “ACTIV E TEST” mode with CONSULT-III.
Without CONSULT-III
Check voltage between BCM connector and ground.
OK or NG
OK >> Security indicator lamp is OK.
NG >> GO TO 2.
2.CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and security indicator lamp connector.
3. Check continuity between BCM connector M3 terminal 23 and security indicator lamp connector M38 terminal 2.
OK or NG
OK >> Check the following.  Harness for open or short between BCM and securityindicator lamp.
 10A fuse [No.19, located in fuse block (J/B)]
NG >> Repair or replace harness between BCM and security indicator lamp.
Diagnosis Procedure 3INFOID:0000000001327918
FRONT DOOR KEY CYLINDER SWITCH CHECK
1.CHECK KEY CYLINDER SWITCH OPERATION
Check door key cylinder switch using key.
Do doors lock / unlock when using the key?
YES >> Front door key cylinder switch operation is OK.
NO >> Check door key cylinder switch circuit. Refer to GW-43, "
Check Front Door Key Cylinder Switch".
Diagnosis Procedure 4INFOID:0000000001327919
VEHICLE SECURITY HORN ALARM CHECK
1.CHECK HORN OPERATION
Check if horn sounds with horn switch.
Does horn operate?
YES >> Check harness for open or shor t between IPDM E/R and horn relay.
NO >> Check horn circuit. Refer to WW-48
.
Diagnosis Procedure 5INFOID:0000000001327920
VEHICLE SECURITY HEADLAMP ALARM CHECK
Perform operation shown on display indicator lamp
should illuminate.
Connector Terminals (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (-)
M3 23 (G/OR) Ground Illuminates 0
Goes off Battery voltage
PIIA6230E
23 (G/OR) – 2 (G/OR) : Co
ntinuity should exist.
PIIA6231E
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