turn signal INFINITI FX35 2007 Service Manual
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LT-102
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision: 2006 July 2007 FX35/FX45
CONSULT-II Functions (BCM)NKS002XL
CONSULT-II can display each diagnostic item using the diagnostic test mode shown following.
CONSULT-II BASIC OPERATION
Refer to GI-38, "CONSULT-II Start Procedure" .
DATA MONITOR 
Operation Procedure
1. Touch “FLASHER” on “SELECT TEST ITEM” screen. 
2. Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
3. Touch either “ALL SIGNALS” or “SELECTION FROM MENU” on “SELECT MONITOR ITEM” screen. 
4. When “SELECTION FROM MENU” is selected, touch items to be monitored. When “ALL SIGNALS” is  selected, all the items will be monitored. 
5. Touch “START”. 
6. Touch “RECORD” while monitoring, then the status of the monitored item can be recorded. To stop  recording, touch “STOP”.
Display Item List 
ACTIVE TEST 
Operation Procedure
1. Touch “FLASHER” on “SELECT TEST ITEM” screen. 
2. Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.
3. Touch item to be tested and check operation of the selected item.
4. During the operation check, touching “OFF” deactivates the operation.
Display Item List
BCM diagnosis part Diagnosis mode Description 
FLASHER  DATA MONITOR Displays BCM input data in real time. 
ACTIVE TEST Operation of electrical loads can be checked by sending driving signal to them.
ALL SIGNALS Monitors all the signals.
SELECTION FROM MENU Selects items and monitors them.
Monitor item  Contents
IGN ON SW “ON/OFF” Displays “IGN position (ON)/OFF, ACC position (OFF)” judged from ignition switch signal.
HAZARD SW “ON/OFF” Displays “Hazard ON (ON)/Hazard OFF (OFF)” status, determined from hazard switch signal.
TURN SIGNAL R “ON/OFF” Displays “Turn right (ON)/Other (OFF)” status, determined from lighting switch signal.
TURN SIGNAL L “ON/OFF” Displays “Turn left (ON)/Other (OFF)” status, determined from lighting switch signal. 
BRAKE SW “ON/OFF”  Displays “Stop lamp switch ON (ON)/Stop lamp switch OFF (OFF)” status, determined from stop lamp  
switch signal.
Test item Description 
FLASHER Turn signal lamp (right or left) can be operated by any ON-OFF operations. 
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TURN SIGNAL AND HAZARD WARNING LAMPS LT-103
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Revision: 2006 July  2007 FX35/FX45
Turn Signal Lamps Do Not OperateNKS002XM
1. CHECK COMBINATION SWITCH INPUT SIGNAL  
With CONSULT-II 
Select “BCM” on CONSULT-II. With “FLASHER” data monitor, make 
sure “TURN SIGNAL R” and “TURN SIGNAL L” turns ON-OFF 
linked with operation of lighting switch. 
Without CONSULT-II 
Refer to   LT- 11 8 ,  "
Combination Switch Inspection" . 
OK or NG
OK >> GO TO 2. 
NG >> Check combination switch (lighting switch). Refer to   LT- 11 8 ,  "
Combination Switch Inspection" .
2. ACTIVE TEST 
With CONSULT-II 
1. Select “FLASHER” during active test. Refer to   LT- 1 0 2 ,  "
ACTIVE
TEST" . 
2. Touch “RH” or “LH” screen.
3. Make sure turn signal lamp RH and LH operates. 
Without CONSULT-II 
GO TO 3. 
OK or NG
OK >> Replace BCM. Refer to   BCS-14, "Removal and Installa-
tion of BCM" . 
NG >> GO TO 3.
3. CHECK TURN SIGNAL LAMPS CIRCUIT 
1. Turn ignition switch OFF. 
2. Disconnect BCM connector and front combination lamp LH and  RH connectors. 
3. Check continuity between BCM harness connector M4 terminal  45 and front combination lamp LH harness connector E44 termi-
nal 4. 
4. Check continuity between BCM harness connector M4 terminal  46 and front combination lamp RH harness connector E24 ter- 
minal 4. 
OK or NG
OK >> GO TO 4. 
NG >> Repair harness or connector.  When lighting switch is  
TURN RH position  : TURN SIGNAL R ON 
When lighting switch is  
TURN LH position  : TURN SIGNAL L ON
PKIA7600E
Turn signal lamps should operate.
PKIA5276E
45 – 4 : Continuity should exist. 
46 – 4 : Continuity should exist.
SKIA5904E 
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LT-104
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision: 2006 July 2007 FX35/FX45
4. CHECK GROUND 
1. Check continuity between front combination lamp LH harness  connector E44 terminal 8 and ground. 
2. Check continuity between front combination lamp RH harness  connector E24 terminal 8 and ground. 
OK or NG
OK >> GO TO 5. 
NG >> Repair harness or connector.
5. CHECK TURN SIGNAL LAMPS SHORT CIRCUIT 
1. Disconnect rear combination lamp unit connector. 
2. Check continuity (short circuit) between front combination lamp  LH harness connector E44 terminal 4 and ground. 
3. Check continuity (short circuit) between front combination lamp  RH harness connector E24 terminal 4 and ground. 
OK or NG
OK >> GO TO 6. 
NG >> Repair harness or connector.
6. CHECK BULB 
Check bulb standard of each turn signal lamp is correct. 
OK or NG
OK >> Replace BCM if turn signal lamps does not work after setting the connector again. Refer to   BCS-
14, "Removal and Installation of BCM" . 
NG >> Replace turn signal lamp bulb.  8 – Ground : Continuity should exist. 
8 – Ground : Continuity should exist.
PKIA5218E
4 – Ground : Continuity should not exist.
4 – Ground : Continuity should not exist.
PKIA5219E 
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TURN SIGNAL AND HAZARD WARNING LAMPS LT-105
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Revision: 2006 July  2007 FX35/FX45
Rear Turn Signal Lamp Does Not OperateNKS002XN
1. CHECK TAIL LAMPS AND STOP LAMPS 
Make sure tail lamps and stop lamps is illuminated.  
OK or NG
OK >> GO TO 2. 
NG >> GO TO 3.
2. CHECK TURN SIGNAL LAMPS CIRCUIT 
1. Disconnect BCM connector. 
2. Check continuity between BCM harness connector M4 terminal  45 and rear combination lamp control unit harness connector 
B65 terminal 4. 
3. Check continuity between BCM harness connector M4 terminal  46 and rear combination lamp control unit harness connector
B65 terminal 5. 
OK or NG
OK >> Replace rear combination lamp control unit. 
NG >> Repair harness or connector.
3. CHECK POWER SUPPLY CIRCUIT 
1. Disconnect rear combination lamp control unit connector. 
2. Check voltage between rear combination lamp control unit har-  ness connector B65 terminal 1 and ground. 
OK or NG
OK >> GO TO 4. 
NG >> Repair harness or connector.
4. CHECK GROUND CIRCUIT 
Check continuity between rear combination lamp control unit har- 
ness connector B65 terminal 7 and ground. 
OK or NG
OK >> GO TO 5. 
NG >> Repair harness or connector.  45 – 4 : Continuity should exist. 
46 – 5 : Continuity should exist.
SKIA5909E
1 – Ground : Battery voltage.
SKIA5907E
7 – Ground : Continuity should exist.
SKIA5908E 
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LT-106
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision: 2006 July 2007 FX35/FX45
5. CHECK REAR COMBINATION LAMPS CIRCUIT 
1. Disconnect rear combination lamp RH and LH connectors. 
2. Check continuity between rear combination lamp control unit  harness connector B65 terminal 11 and rear combination lamp 
LH harness connector B57 terminal 3. 
3. Check continuity between rear combination lamp control unit  harness connector B65 terminal 10 and rear combination lamp 
LH harness connector B57 terminal 4. 
4. Check continuity between rear combination lamp control unit  harness connector B65 terminal 9 and rear combination lamp RH harness connector B219 terminal 3. 
5. Check continuity between rear combination lamp control unit harness connector B65 terminal 8 and rear  combination lamp RH harness connector B219 terminal 4. 
OK or NG
OK >> Replace rear combination lamp control unit or rear combination lamp, and then check if turn signal  lamps is illuminated. 
NG >> Repair harness or connector.
Hazard Warning Lamp Does Not Operate But Turn Signal Lamp OperateNKS002XO
1. CHECK HAZARD SWITCH INPUT SIGNAL 
With CONSULT-II 
Select “BCM” on CONSULT-II. With “FLASHER” data monitor to
make sure “HAZARD SW” turns ON-OFF linked with operation of
hazard switch. 
Without CONSULT-II 
Check voltage between BCM harness connector M3 terminal 29 and 
ground. 
OK or NG
OK >> Replace BCM. Refer to   BCS-14, "Removal and Installa-
tion of BCM" . 
NG >> GO TO 2.  11 – 3 : Continuity should exist. 
10 – 4 : Continuity should exist. 
9 – 3 : Continuity should exist.
8 – 4 : Continuity should exist.
SKIA5910E
When hazard switch is ON position  : HAZARD SW ON
PKIA7601E
(+)  (-) Condition Voltage 
BCM con- 
nector  Terminal 
M3 29 Ground  Hazard switch is ON Approx. 0 V 
Hazard switch is OFF Battery voltage
SKIA5911E 
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TURN SIGNAL AND HAZARD WARNING LAMPS LT-107
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Revision: 2006 July  2007 FX35/FX45
2. CHECK HAZARD SWITCH CIRCUIT 
1. Turn ignition switch OFF. 
2. Disconnect BCM connector and hazard switch connector.
3. Check continuity BCM harness connector M3 terminal 29 and  hazard switch harness connector M51 terminal 2. 
OK or NG
OK >> GO TO 3. 
NG >> Repair harness or connector.
3. CHECK GROUND 
Check continuity hazard switch harness connector M51 terminal 1 
and ground. 
OK or NG
OK >> GO TO 4. 
NG >> Repair harness or connector.
4. CHECK HAZARD SWITCH 
Check continuity hazard switch. 
OK or NG
OK >> Replace BCM if turn signal lamps does not work after  setting the connector again. Refer to   BCS-14, "
Removal
and Installation of BCM" . 
NG >> Replace hazard switch.  29 – 2 : Continuity should exist.
SKIA5912E
1 – Ground : Continuity should exist.
SKIA5913E
Te r m i n a l 
Condition Continuity 
Hazard switch 
12  Hazard switch is ON Yes 
Hazard switch is OFF No
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LT-108
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision: 2006 July 2007 FX35/FX45
Bulb Replacement (Front Turn Signal Lamp)NKS002XQ
Refer to LT- 3 4 ,  "Bulb Replacement" .
Bulb Replacement (Rear Turn Signal Lamp)NKS002XR
Refer to LT- 1 5 1 ,  "Bulb Replacement" .
Removal and Installation of Front Turn Signal LampNKS002XS
Refer to LT- 3 5 ,  "Removal and Installation" .
Removal and Installation of Rear Turn Signal Lamp NKS002XT
Refer to LT- 1 5 1 ,  "Removal and Installation" .
Removal and Installation of Rear Combination Lamp Control UnitNKS002XU
REMOVAL
1. Remove luggage side box (LH). Refer to  EI-45, "Removal and
Installation" . 
2. Remove nuts (2), and remove rear combination lamp control  unit.
INSTALLATION
Installation is the reverse order of removal.
PKIB3631E 
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LIGHTING AND TURN SIGNAL SWITCH LT-109
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Revision: 2006 July  2007 FX35/FX45
LIGHTING AND TURN SIGNAL SWITCHPFP:25540
Removal and InstallationNKS002XV
REMOVAL
1. Remove steering column cover. Refer to IP-10, "INSTRUMENT
PANEL ASSEMBLY" . 
2. While pressing pawls in direction as shown in the figure, pull  lighting and turn signal switch toward driver door and disconnect
from the base.
INSTALLATION
Installation is the reverse order of removal.
PKIB3477E 
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LT-112
COMBINATION SWITCH
Revision: 2006 July 2007 FX35/FX45
Combination Switch Reading FunctionNKS003N5
For details, refer to BCS-3, "COMBINATION SWITCH READING FUNCTION" .
Terminals and Reference Values for BCMNKS003N6
CAUTION:
Check combination switch system terminal waveform under the loaded condition with lighting 
switch, turn signal and wiper switch OFF not to be fluctuated by overloaded.
Turn wiper dial position to 4 except when checking waveform or voltage of wiper dial position.
Wiper dial position can be confirmed on CONSULT-II. Refer to   LT- 11 7 ,  "
DATA MONITOR" .
Te r - 
minal   No.  Wire  
color  Signal name  Measuring condition 
Reference value 
Igni- 
tion 
switch  Operation or condition 
2 G/Y  Combination  
switch input 5  ON Lighting, turn,  
wiper switch 
(Wiper inter-
mittent dial  
position 4)  OFF Approx. 0 V 
Any of the conditions below
Lighting switch 1ST
Lighting switch HIGH BEAM 
(Operates only HIGH BEAM 
switch)
Turn signal switch to right 
Approx. 1.0 V 
Lighting switch 2ND  Approx. 2.0 V 
3L/B  Combination  
switch input 4  ON Lighting, turn,  
wiper switch
(Wiper inter- 
mittent dial  
position 4)  OFF Approx. 0 V 
Front fog lamp switch 
(Operates only front fog lamp 
switch) 
Approx. 0.8 V 
Any of the conditions below
Lighting switch 2ND
Lighting switch PASSING 
(Operates only PASSING switch)
Turn signal switch to left 
Approx. 0.8 V
PKIB4959J
PKIB4953J
PKIB4955J
PKIB4959J 
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COMBINATION SWITCH LT-113
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4PU/W Combination  
switch input 3  ON Lighting, turn,  
wiper switch 
(Wiper inter- 
mittent dial 
position 4)  OFF Approx. 0 V 
Any of the conditions belowLighting switch AUTO
Front wiper switch MIST
Front wiper switch INT
Front wiper switch LO  Approx. 1.0 V 
5Y/R  Combination  
switch input 2  ONLighting, turn,  
wiper switch  OFF Approx. 0 V 
Any of the conditions below
Front washer switch 
(Wiper intermittent dial position 4)
Rear washer switch
(Wiper intermittent dial position 4)
Wiper intermittent dial position 1
Wiper intermittent dial position 5
Wiper intermittent dial position 6  Approx. 1.0 V 
Rear wiper switch ON 
(Wiper intermittent dial position 4) 
Approx. 0.8 V 
Te r - 
minal  No.  Wire  
color  Signal name  Measuring condition 
Reference value 
Igni- 
tion  
switch  Operation or condition
PKIB4959J
PKIB4959J
PKIB4955J