2005 INFINITI FX35 Rear combination lamp control

LT-100
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision: 2005 July 2005 FX
How to Proceed With Trouble DiagnosisAKS007D2
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT- 9 1 , "
System Description" .
3. Perform preliminary check. Refer to LT- 1 0 0 , "
Preliminary Check" .
4. Check symptom and repair or replace the cause of malfunction.
5. Do turn signal and hazard warning lamps operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
Preliminary CheckAKS007D3
CHECK POWER SUPPLY AND GROUND CIRCUIT
1. CHECK FUSES
Check for blown fuses.
Refer to LT- 9 6 , "
Wiring Diagram — TURN —" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
3, "POWER SUPPLY ROUTING CIRCUIT" .
49 B Ground ON — Approx. 0V
52 B Ground ON — Approx. 0V
55 G Battery power supply OFF — Battery voltage
Terminal
No. Wire
color Signal name Measuring condition
Reference value
Ignition
switch Operation or condition
Unit Power source Fuse and fusible link No.
BCM Battery
M
22
Ignition switch ON or START position 1 Ignition switch ACC or ON position 6
Rear combination lamp control unit Battery 20

TURN SIGNAL AND HAZARD WARNING LAMPS LT-105
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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 (G) and ground.
3. Check continuity (short circuit) between front combination lamp RH harness connector E24 terminal 4 (PU) 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-
16, "Removal and Installation of BCM" .
NG >> Replace turn signal lamp bulb.
Rear Turn Signal Lamp Does Not OperateAKS007IF
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 (G/W) and rear combination lamp control unit harness con-
nector B65 terminal 4 (OR).
3. Check continuity between BCM harness connector M4 terminal 46 (BR/W) and rear combination lamp control unit harness con-
nector B65 terminal 5 (PU).
OK or NG
OK >> Replace rear combination lamp control unit.
NG >> Repair harness or connector. 4 (G) – Ground : Continuity should not exist.
4 (PU) – Ground : Continuity should not exist.
PKIA5219E
45 (G/W) – 4 (OR) : Continuity should exist.
46 (BR/W) – 5 (PU) : Continuity should exist.
PKIB3493E

LT-106
TURN SIGNAL AND HAZARD WARNING LAMPS
Revision: 2005 July 2005 FX
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 (GY) 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 (B) and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK TURN SIGNAL LAMPS CIRCUIT
1. Disconnect rear combination lamp RH and LH connector.
2. Check continuity between rear combination lamp control unit harness connector B65 terminal 11 (W) and rear combination
lamp LH harness connector B57 terminal 3 (W).
3. Check continuity between rear combination lamp control unit harness connector B65 terminal 10 (BR) and rear combination
lamp LH harness connector B57 terminal 4 (BR).
4. Check continuity between rear combination lamp control unit harness connector B65 terminal 9 (LG) and rear combination lamp RH harness connector B219 terminal 3
(LG).
5. Check continuity between rear combination lamp control unit harness connector B65 terminal 8 (Y) and rear combination lamp RH harness connector B219 terminal 4 (Y).
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. 1 (GY) – Ground : Battery voltage.
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7 (B) – Ground : Continuity should exist.
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11 (W) – 3 (W) : Continuity should exist.
10 (BR) – 4 (BR) : Continuity should exist.
9 (LG) – 3 (LG) : Continuity should exist.
8 (Y) – 4 (Y) : Continuity should exist.
SKIA5910E

TURN SIGNAL AND HAZARD WARNING LAMPS LT-109
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Revision: 2005 July 2005 FX
Removal and Installation of Rear Combination Lamp Control UnitAKS007NX
REMOVAL
1. Remove luggage side finisher assembly (left). Refer to EI-43,
"Removal and Installation" in “EI” section.
2. Remove nuts (2), and remove rear combination lamp control unit.
INSTALLATION
Installation is the reverse order of removal.
PKIB3631E

LT-118
STOP LAMP
Revision: 2005 July 2005 FX
STOP LAMPPFP:26550
Component Parts and Harness Connector LocationAKS007IG
System DescriptionAKS007IH
The current that flows by Rear combination lamp control unit is controlled, and a stop lamp (LED) is made to
turn on.
PKIB3633E

STOP LAMP LT-123
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Stop Lamp Does Not OperateAKS007IJ
1. CHECK TAIL LAMP AND TURN SIGNAL LAMP
Make sure tail lamps and turn signal lamps is illuminated.
OK or NG
OK >> GO TO 2.
NG >> GO TO 6.
2. CHECK FUSE
Check fuse No.20 is blow out.
OK or NG
OK >> GO TO 3.
NG >> If fuse is blow out, be sure to eliminate cause of problem before installing new fuse.
3. CHECK INPUT SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between rear combination lamp control unit har- ness connector and ground.
OK or NG
OK >> Replace rear combination lamp control unit.
NG >> GO TO 4.
4. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Disconnect stop lamp switch connector.
2. Check voltage between stop lamp switch harness connector E210 terminal 1 (GY) and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
Te r m i n a l
(-) Condition Voltage
(+)
Connector Terminal
(Wire color)
B65 3 (P) Ground Stop lamp switch is ON.
(Depressed) Battery
voltage
Stop lamp switch is OFF. (Released) Approx. 0
PKIA5233E
1 (GY) – Ground : Battery voltage.
PKIA5234E

LT-124
STOP LAMP
Revision: 2005 July 2005 FX
5. CHECK STOP LAMP SWITCH CIRCUIT
1. Disconnect rear combination lamp control unit connector.
2. Check continuity between stop lamp switch harness connector E210 terminal 2 (P) and rear combination lamp control unit har-
ness connector B65 terminal 3 (P).
OK or NG
OK >> Replace stop lamp switch.
NG >> Repair harness or connector.
6. 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 (GY) and ground.
OK or NG
OK >> GO TO 7.
NG >> Repair harness or connector.
7. CHECK GROUND CIRCUIT
Check continuity between rear combination lamp control unit har-
ness connector B65 terminal 7 (B) and ground.
OK or NG
OK >> GO TO 8.
NG >> Repair harness or connector. 2 (P) – 3 (P) : Continuity should exist.
PKIA5235E
1 (GY) – Ground : Battery voltage.
SKIA5907E
7 (B) – Ground : Continuity should exist.
SKIA5908E

STOP LAMP LT-125
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Revision: 2005 July 2005 FX
8. CHECK STOP LAMPS CIRCUIT
1. Disconnect rear combination lamp RH and LH connector.
2. Check continuity between rear combination lamp control unit harness connector B65 terminal 11 (W) and rear combination
lamp LH harness connector B57 terminal 3 (W).
3. Check continuity between rear combination lamp control unit harness connector B65 terminal 10 (BR) and rear combination
lamp LH harness connector B57 terminal 4 (BR).
4. Check continuity between rear combination lamp control unit harness connector B65 terminal 9 (LG) and rear combination lamp RH harness connector B219 terminal 3
(LG).
5. Check continuity between rear combination lamp control unit harness connector B65 terminal 8 (Y) and rear combination lamp RH harness connector B219 terminal 4 (Y).
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.
High-Mounted Stop LampAKS007DM
BULB REPLACEMENT, REMOVAL AND INSTALLATION
1. Remove cap from back door finisher and remove nuts. Refer to EI-45, "
Removal and Installation" in “EI” section.
2. Disconnect high-mounted stop lamp connector.
3. Remove washer tube from high-mounted stop lamp, and remove high-mounted stop lamp from the rear air spoiler.
4. Remove seal packing from the rear air spoiler.
5. Installation is the reverse order of removal.
CAUTION:
Seal packing cannot be reused.
Stop LampAKS007DN
BULB REPLACEMENT
Refer to LT- 1 4 9 , "Bulb Replacement" in “REAR COMBINATION LAMP”.
REMOVAL AND INSTALLATION
Refer to LT- 1 4 9 , "Removal and Installation" in “REAR COMBINATION LAMP”.
Rear Combination Lamp Control UnitAKS007NY
REMOVAL AND INSTALLATION
Refer to LT- 1 0 9 , "Removal and Installation of Rear Combination Lamp Control Unit" in “TURN SIGNAL AND
HAZARD WARNING LAMPS”. 11 (W) – 3 (W) : Continuity should exist.
10 (BR) – 4 (BR) : Continuity should exist.
9 (LG) – 3 (LG) : Continuity should exist.
8 (Y) – 4 (Y) : Continuity should exist.
SKIA5910E
High-mounted stop lamp : LED
SKIA5562E