turn signal INFINITI FX35 2006 Service Manual

BL-112
INTELLIGENT KEY SYSTEM
Revision: 2006 December 2006 FX35/FX45
19 SB Outside antenna LH
(+) Output
LOCK Driver door request signal oper-
ation (Switch: ON)
20 G/Y Outside antenna LH
(-) Output
25 W/R Door request switch
(passenger side) Input — Door request switch operation:
Press (ON) 0
Other than the above (OFF) 5
26 P/L Stop lamp switch Input — Brake pedal depressed (ON) 5
Brake pedal not depressed
(OFF) 0
27 L/W Ignition knob switch Input — Press ignition knob. 12
Return ignition knob to LOCK
position. 0
28 W/B Door unlock sensor Input — Door is locking → unlock 5 → 0
29 GY Door request switch
(back door) Input — Back door request switch opera-
tion: Press (ON) 0
Other than the above (OFF) 5
31 Y/B Steering lock unit
ground —— — 0
32 R/B Steering lock unit
communication Output LOCK Press ignition knob with Intelli-
gent Key inside vehicle.
Other than the above 5
35 LG Inside key antenna
(+) signal
(Dashboard) Output
LOCK Any door open
→ Close (Door
switch: ON → OFF)
Ignition knob switch: ON (press
ignition knob.)
36 PU Inside key antenna
(-) signal
(Dashboard) Output
37 G Outside antenna RH
(+) Output
LOCK Passenger door request switch
operation (Switch: ON)
38 G/W Outside antenna RH
(-) Output
39 R/Y Detention switch Input LOCK A/T selector lever in “P” position. 0
A/T selector lever in other posi-
tion. Battery voltage
40 BR/
W Door lock relay Output LOCK
Door request switch (passenger
side) pressed Battery voltage
→ 0 → Battery
voltage
Te r -
minal Wire
color Item Signal
Input/
output Condition
Voltage (V)
(Approx.)
Ignition knob
position Operation or conditions
SIIA1910J
SIIA1911J
SIIA1910J
SIIA1910J

INTELLIGENT KEY SYSTEM BL-113
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Revision: 2006 December 2006 FX35/FX45
Terminals and Reference Value for Steering Lock unitNIS001NC
Terminals and Reference Value for BCMNIS001ND
Te r -
minal Wire
color Item Signal
Input/
output Condition
Voltage (V)
(Approx.)
Ignition knob
position Operation or conditions
1 L/R Power source (Fuse) Input LOCK — Battery voltage
2R/W Steering lock unit
power supply Input LOCK — 5
3R/B Steering lock unit com-
munication signal Input LOCK Press ignition knob with
Intelligent Key inside vehi-
cle.
Other than the above 5
4Y/B Steering lock unit
ground —— — 0
SIIA1911J
Te r m i -
nal Wire
color Item Signal
Input/
output Condition
Voltage (V)
(Approx.)
1PU Key ring illumination
output signal Output Key ring illumination is lighting. Battery voltage
Key ring illumination is being turned off. 0
12 P/B Front door switch (Pas-
senger side) Input Door open (ON)
→ Close (OFF) 0 → Battery voltage
13 P/L Rear door switch RH Input Door open (ON) → Close (OFF) 0 → Battery voltage
37 B/W Key switch Input Insert mechanical key from ignition key
cylinder. Battery voltage
Remove mechanical key from ignition
key cylinder. 0
38 W/L Ignition switch (ON) Input Ignition switch is in ON or START posi-
tion Battery voltage
39 L CAN-H Input/
Output ——
40 P CAN-L Input/
Output ——
41 R/B Battery saver output
signal Output 30 minutes after ignition switch is turned
to OFF 0
Ignition switch is in ON position Battery voltage
42 L/R Power source (Fuse) Input — Battery voltage
44 Y Driver door lock actua-
tor (Unlock) Output
Door lock / unlock switch
(Free → Unlock) 0
→ Battery voltage
45 G/W Left turn signal lamp Output When door lock or unlock is operated
using Intelligent Key.*
1
(ON → OFF) Battery voltage
→ 0
46 BR/W Right turn signal lamp Output When door lock or unlock is operated
using Intelligent Key.*
1
(ON → OFF) Battery voltage
→ 0
47 Y/R Step lamp output sig-
nal Output Step lamp is lighting. 0
Step lamp is being turned off. Battery voltage

BL-114
INTELLIGENT KEY SYSTEM
Revision: 2006 December 2006 FX35/FX45
*1: In the state that hazard reminder operates.
*2: In the state that room lamp switch is in “DOOR” position.
Terminals and Reference Value for IPDM E/RNIS001NE
48 PU/W Room lamp output sig-
nal Output Room lamp is lighting.*
20
Room lamp is being turned off.*
2Battery voltage
49 B Ground — — 0
50 PU Door lock actuator
(Lock) Output
Door lock / unlock switch
(Free → Lock) 0
→ Battery voltage
51 W/B Passenger and rear
doors lock actuator
(Unlock) Output
Door lock / unlock switch
(Free → Unlock) 0
→ Battery voltage
52 B Ground — — 0
54 W Power source (power
window) Input — Battery voltage
55 G Power source (Fusible
link) Input — Battery voltage
58 L Back door switch Input Back door open (ON) → Close (OFF) 0 → 9
62 W Front door switch
(Driver side) Input Door open (ON)
→ Close (OFF) 0 → Battery voltage
63 P Rear door switch LH Input Door open (ON) → Close (OFF) 0 → Battery voltage
Te r m i -
nal Wire
color Item Signal
Input/
output Condition
Voltage (V)
(Approx.)
Te r m i -
nal Wire
color Item Signal
Input/
output Condition
Voltage (V)
(Approx.)
38 B Ground — — 0
48 L CAN – H Input/
Output ——
49 R CAN – L Input/
Output ——
51 SB Horn relay Output When panic alarm is operated using
Intelligent Key (OFF → ON) Battery voltage
→ 0
60 B Ground — — 0

INTELLIGENT KEY SYSTEM BL-117
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Revision: 2006 December 2006 FX35/FX45
DATA MONITOR
MAIN SIGNALS Display Item
ACTIVE TEST
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
actuators lock when “ON” on CONSULT-II 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-II 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-II screen is touched.
INDICATOR This test is able to check warning lamp operation. The lamp will be turned on
when “ON” on CONSULT-II screen is touched.

INTELLIGENT KEY SYSTEM BL-119
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Revision: 2006 December 2006 FX35/FX45
Trouble Diagnosis Symptom ChartNIS001NK
ALL FUNCTIONS OF THE INTELLIGENT KEY ARE NOT OPERATING
REMOTE CONTROL ENTRY FUNCTION MALFUNCTION
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
circuit BL-124
2. Check CAN communication
BL-124
3. Replace Intelligent Key unitBL-146
“KEY” and “P shift” warning lamps in combination
meter turn on, but doors cannot be locked/
unlocked or the engine can not be started using
Intelligent Key. 1.
Use CONSULT-II to check if the Intelligent Key has
been registered Refer to
CONSULT-II Operation Manual
2. Use CONSULT-II setting change function to check if
Intelligent Key system has been cancelled BL-116
3. Intelligent Key battery inspection
BL-147
4. Replace Intelligent Key unitBL-146
Symptom Diagnoses service procedure Refer to page
Door lock/unlock does not operate (other func-
tions normal) when Intelligent Key remote con-
troller button is operated. 1. Check door lock/unlock setting
BL-116
2. Intelligent Key battery inspectionBL-147
3. Check door unlock sensorBL-131
4. Check door switchBL-129
5. Replace BCMBCS-15
6. Replace Intelligent Key unit BL-146
Driver side selective door unlock function does
not operate, when Intelligent Key remote control-
ler button is operated.
(All other remote control entry function is OK.) 1. Check selective door unlock setting
BL-116
2. Replace BCMBCS-15
3. Replace Intelligent Key unit BL-146
Panic alarm (horn and headlamp) do not acti-
vate, when panic alarm button is continuously
pressed.
(All other remote control entry function is OK.) 1. Check panic alarm mode
BL-116
2. Check headlamp functionBL-145
3. Check horn functionBL-145
4. Check IPDM E/R operationBL-145
5. Check key switch (Intelligent Key unit input)BL-125
6. Check ignition knob switchBL-127
7. Replace Intelligent Key unitBL-146
Hazard lamps do not flash during door lock oper-
ation using Intelligent Key remote controller but-
ton operated.
(Turn signal lamp operation is OK.)
(All other remote control entry function is OK.) 1. Check key reminder setting
BL-116
2. Replace BCMBCS-15
3. Replace Intelligent Key unit BL-146
Hazard lamps do not flash during door lock oper-
ation using Intelligent Key remote controller but-
ton operated.
(Turn signal lamps do not operate.) Check hazard function
BL-145
Intelligent Key warning buzzer does not sound
during door lock/unlock operation using Intelli-
gent Key remote controller button is operated.
(All other remote control entry function is OK.) 1.
Check if the operation confirmation Intelligent Key
warning buzzer was cancelled by the CONSULT-II set-
tings change function BL-116
2. Check Intelligent Key warning buzzer
BL-134
3. Replace Intelligent Key unitBL-146

BL-120
INTELLIGENT KEY SYSTEM
Revision: 2006 December 2006 FX35/FX45
DOOR LOCK FUNCTION MALFUNCTION
Before conducting the diagnosis in the following table, check all power door lock system function. Refer to BL-
21, "POWER DOOR LOCK SYSTEM" .
Symptom Diagnoses service procedure Refer to page
Door lock/unlock does not operate when door
request switch operation is used (power door
lock system is normal). 1. Check door lock/unlock setting
BL-116
2. Check outside key antennaBL-135
3. Intelligent Key battery inspectionBL-147
4. Replace Intelligent Key unitBL-146
Door lock/unlock do not operate using door
request switch operated (power door lock sys-
tem is normal). 1. Check door switch
BL-1292. Check key switch (Intelligent Key unit input)BL-125
3. Check ignition knob switchBL-127
4. Replace Intelligent Key unitBL-146
Driver side selective door unlock function does
not operate, when door request switch is oper-
ated.
(All other door lock function is OK.) 1. Check selective door unlock setting
BL-116
2. Replace BCMBCS-15
Passenger side selective door unlock function
does not operate, when door request switch is
operated.
(All other door lock function is OK.) 1. Check selective door unlock setting
BL-116
2. Check passenger side select unlock relayBL-144
3. Replace Intelligent Key unitBL-146
Hazard lamps do not flash during door lock
operation using door request switch operated.
(Turn signal lamp operation is normal.)
(All other door lock function is OK.) 1. Check key reminder setting
BL-116
2. Replace BCMBCS-15
3. Replace Intelligent Key unit BL-146
Hazard lamps do not flash during door lock
operation using door request switch operated.
(Turn signal lamps do not operate.) Check hazard function
BL-145

Intelligent Key warning buzzer does not sound
during door lock/unlock operation using Intelli-
gent Key (regardless of whether Intelligent Key
remote controller button or request switch oper-
ation is used). 1. Check if the operation confirmation Intelligent Key
warning buzzer was cancelled by the CONSULT-II
settings change function BL-116
2. Check Intelligent Key warning buzzer
BL-134
3. Replace Intelligent Key unitBL-146
Door lock/unlock operation confirmation Intelli-
gent Key warning buzzer sounds, but door lock
actuator does not operate. (And hazard lamps
do not flash.) 1. Check CAN communication
BL-124
2. Replace Intelligent Key unitBL-146

INTELLIGENT KEY SYSTEM BL-127
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Revision: 2006 December 2006 FX35/FX45
3. CHECK KEY SWITCH SIGNAL CIRCUIT
1. Disconnect key switch and ignition knob switch connector and BCM 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 SwitchNIS001NP
1. CHECK IGNITION KNOB SWITCH
With CONSULT-II
Display “PUSH SW” on “DATA MONITOR” screen, and check if ON/
OFF display is linked to ignition knob operation.
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.
4 (B/W) – 37 (B/W) : Continuity should exist.
4 (B/W) – Ground : Continuity should not exist.
PIIA5095E
Press ignition knob. : ON
Return ignition knob (release hands
from ignition knob) : OFF
PIIB1360E
1 (L/R) - Ground : Battery voltage
PIIA6741E

INTELLIGENT KEY SYSTEM BL-129
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Revision: 2006 December 2006 FX35/FX45
Check Door SwitchNIS001NQ
CHECK DOOR SWITCH (EXCEPT BACK DOOR SWITCH)
1. CHECK DOOR SWITCH INPUT SIGNAL
1. Turn ignition knob LOCK position.
2. Check voltage between BCM connector and ground.
OK or NG
OK >> Door switch circuit is OK.
NG >> GO TO 2.
2. CHECK DOOR SWITCH CIRCUIT
1. Disconnect door switch and BCM connector.
2. Check continuity between door switch connector B26, B36, B46, B206 terminals 1 and BCM connector M3, B14 terminals 62, 12, 63, 13.
3. Check continuity between door switch connector B26, B36, B46, B206 terminal 1 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
Item Connector Terminals
(Wire color) Door
condition Voltage (V)
(Approx.)
(+) (-)
Driver side B14 62 (W)
Ground CLOSE
↓
OPEN Battery voltage
↓ 0
Rear LH 63 (P)
Passenger side M3 12 (P/B)
Rear RH 13 (P/L)
PIIA7003E
Driver side door
1 (W) –62 (W) : Continuity should exist.
Passenger side door
1 (SB) – 12 (P/B) : Continuity should exist.
Rear door LH
1 (P) – 63 (P) : Continuity should exist.
Rear door RH
1 (P) – 13 (P/L) : Continuity should exist.
1 (W, SB, P) – Ground : Continuity should not exist.
PIIA7004E

BL-130
INTELLIGENT KEY SYSTEM
Revision: 2006 December 2006 FX35/FX45
3. CHECK DOOR SWITCH
Check continuity between door switch terminal 1 and ground part of door switch.
OK or NG
OK >> Check door switch case ground condition.
NG >> Replace door switch.
CHECK BACK DOOR SWITCH
1. CHECK BACK DOOR SWITCH INPUT SIGNAL
Check voltage between BCM connector and ground.
OK or NG
OK >> Back door switch circuit is OK.
NG >> GO TO 2.
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and back door closure motor connector.
3. Check continuity between BCM connector B14 terminal 58 and back door closure motor connector D109 terminal 7.
4. Check continuity between BCM connector B14 terminal 58 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
Terminal Door switch condition Continuity
1 Ground part of door switch Pushed No
Released Yes
PIIA3351E
Connector Terminals (Wire color)
Condition Voltage (V)
(Approx.)
(+) (–)
B14 58 (L) Ground OPEN 0
CLOSE 9
PIIA6229E
58 (L) – 7 (L) : Continuity should exist.
58 (L) – Ground : Continuity should not exist.
PIIA6226E

BL-132
INTELLIGENT KEY SYSTEM
Revision: 2006 December 2006 FX35/FX45
2. CHECK UNLOCK SENSOR CIRCUIT
1. Turn ignition knob LOCK position.
2. Disconnect Intelligent Key unit and front door lock assembly (driver side) connector.
3. Check continuity between Intelligent Key unit connector M34 terminal 28 (W/B) and front door lock assembly (driver side) connector D10 terminal 4 (W).
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between Intelligent Key unit and front door lock assembly (driver side).
3. CHECK UNLOCK SENSOR GROUND CIRCUIT
Check continuity between front door lock assembly (driver side) connector D10 terminal 5 (B) and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4. CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL
1. Connect Intelligent Key unit connector.
2. Driver side door lock is locked.
3. Check voltage between Intelligent Key unit connector M34 terminal 28 (W/B) and ground.
OK or NG
OK >> Replace front door lock assembly (driver side).
NG >> Replace Intelligent Key unit. 28 (W/B) – 4 (W) : Continuity should exist.
PIIA6803E
5 (B) – Ground : Continuity should exist.
PIIA6804E
28 (W/B) – Ground : Approx. 5V
PIIA6802E