NISSAN 350Z 2007 Z33 Lighting System Workshop Manual

INTERIOR ROOM LAMP
LT-141
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Revision: 2006 November2007 350Z
Terminals and Reference Values for BCMNKS004ZN
*1: Roadster models, *2: Coupe models
How to Proceed with Trouble DiagnosisNKS004ZO
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT- 1 2 8 , "
System Description" .
3. Perform preliminary check. Refer to LT- 1 4 2 , "
Preliminary Check" .
4. Check symptom and repair or replace the cause of malfunction.
5. Does interior room lamp operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
Te r -
minal
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
1PUIgnition keyhole illumination
signalOFFDoor is locked. (SW OFF) Battery voltage
Door is unlocked. (SW ON) Approx. 0 V
12 P Front door switch AS signal OFF Front door switch ASON (open) Approx. 0 V
OFF (closed) Battery voltage
22 YPower window switch serial
linkON —
37 B/RKey-in detection switch sig-
nalOFFVehicle key is removed. Approx. 0 V
Vehicle key is inserted. Battery voltage
38 W/L Ignition power supply ON — Battery voltage
39 L CAN − H—— —
40 P CAN − L—— —
41 R/B Battery saver output signalOFF30 minutes after ignition switch is turned
to OFF.Approx. 0 V
ON — Battery voltage
42 GY Battery power supply OFF — Battery voltage
48 P Map lamp output signal OFFMap lamp door
switch: DOOR posi-
tionAny
door
switchON
(open)Approx. 0 V
OFF
(closed)Battery voltage
52 B Ground ON — Approx. 0 V
55 R Battery power supply OFF — Battery voltage
57*
1R/WTrunk room lamp switch sig-
nalOFFTrunk room lamp
switchON (open) Approx. 0 V
OFF (closed) Battery voltage
58*
2R/W Back door switch signal OFFLuggage room lamp
switch ON (open) Approx. 0 V
OFF (closed) Battery voltage
62 L Front door switch DR signal OFF Front door switch DRON (open) Approx. 0 V
OFF (closed) Battery voltage
64GY/R
*1
BR*2Trunk room lamp*1 or lug-
gage lamp*2 switch signalOFFTrunk room lamp*
1
or back door*2
switchON (open) Approx. 0 V
OFF (closed) Battery voltage
PKIA7023E

LT-142
INTERIOR ROOM LAMP
Revision: 2006 November2007 350Z
Preliminary CheckNKS004ZP
CHECK POWER SUPPLY AND GROUND CIRCUIT
1. CHECK FUSES AND FUSIBLE LINK
Check for blown fuses and fusible link.
Refer to LT- 1 3 3 , "
Wiring Diagram — ROOM/L —" .
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-
4, "POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK GROUND CIRCUIT
Check continuity between BCM and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.
Unit Power source Fuse and fusible link No.
BCMBatteryF
18
21
Ignition switch ON or START position 1
Terminals Ignition switch position
(+)
(-) OFF ON
BCM connector Terminal
M90 38
GroundApprox. 0 V Battery voltage
M9142 Battery voltage Battery voltage
55 Battery voltage Battery voltage
PKIB5199E
BCM connector Terminal
GroundContinuity
M91 52 Yes
PKIB5198E

INTERIOR ROOM LAMP
LT-143
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Revision: 2006 November2007 350Z
CONSULT-III Function (BCM)NKS004ZQ
CONSULT-III can display each diagnostic item using the diagnostic test mode shown following.
WORK SUPPORT
Display Item List
Reference between “MODE” and “TIME” for “TURN ON/OFF”
DATA MONITOR
Display Item List
NOTE:
This item is displayed, but cannot be monitored.BCM diagnosis part Diagnosis mode Description
INT LAMPWORK SUPPORT Changes the setting for each function.
DATA MONITOR Displays BCM input data in real time.
ACTIVE TEST Operation of electrical loads can be checked by sending driving signal to them.
Item Description CONSULT-III
SET I/L D−UNLCK INTCONThe 30 seconds glowing function interior room lamps and ignition keyhole illumi-
nation can be selected when driver door is released (unlocked). ON/OFF
ROOM LAMP ON TIME SETThe time in order to escalate illumination can be adjusted when interior room
lamps and ignition keyhole illumination is turned on.MODE 1 – 7
ROOM LAMP OFF TIME SETThe time in order to diminish illumination can be adjusted when interior room
lamps and ignition keyhole illumination is turned off.MODE 1 – 7
MODE 1 2 3 4 5 6 7
Time (sec.) 0.5 1 2 3 4 5 0
Monitor item Contents
IGN ON SW “ON/OFF” Displays “IGN position (ON)/OFF, ACC position (OFF)” judged from ignition switch signal.
KEY ON SW “ON/OFF” Displays “Key inserted (ON)/key removed (OFF)” status judged from key switch signal.
DOOR SW - DR “ON/OFF”Displays status of driver door as judged from driver door switch signal. (Door is open: ON/Door
is closed: OFF)
DOOR SW - AS “ON/OFF”Displays “Door open (ON)/Door closed (OFF)” status, determined from passenger door switch
signal.
DOOR SW - RR
NOTE“OFF” —
DOOR SW - RL
NOTE“OFF” —
BACK DOOR SW “ON/OFF”

Displays status of back door as judged from back door switch signal. (Coupe models)

Displays status of rear trunk hood as judged from trunk lamp switch signal. (Roadster mod-
els)
KEY CYL LK - SW “ON/OFF” Displays “Door locked (ON) status, determined from key cylinder lock switch in driver door.
KEY CYL UN - SW “ON/OFF” Displays “Door unlocked (OFF) status, determined from key cylinder lock switch in driver door.
CDL LOCK SW “ON/OFF”Displays “Door locked (ON)/Door unlocked (OFF) status, determined from locking detection
switch in driver door.
CDL UNLOCK SW “ON/OFF”Displays “Door unlocked (OFF)” status, determined from locking detection switch in passenger
door.
KEYLESS LOCK “ON/OFF” Displays “Locked (ON)/Other (OFF)” status, determined from lock signal.
KEYLESS UNLOCK “ON/OFF” Displays “Unlocked (ON)/Other (OFF)” status, determined from unlock signal.

LT-144
INTERIOR ROOM LAMP
Revision: 2006 November2007 350Z
ACTIVE TEST
Display Item List
NOTE:
This item is displayed, but cannot be tested.
Map Lamp Control Does Not Operate (Coupe models)NKS004ZR
1. CHECK BETWEEN EACH SWITCH AND BCM
1. Select "INT LAMP" of BCM data monitor item.
2. Make sure switches listed in display item list turn ON-OFF linked with switch operation. Refer to LT- 1 4 3 ,
"Display Item List" for switches and their functions.
OK or NG
OK >> GO TO 2.
NG >> Inspect malfunctioning switch system.
2. CHECK BETWEEN BCM AND MAP LAMP
1. Select "INT LAMP" of BCM active test item.
2. With operating the test item, check the map lamp operation (When map lamp switch is in DOOR position).
OK or NG
OK >> Replace BCM. Refer to BCS-17, "Removal and Installation of BCM" .
NG >> GO TO 3.
3. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between map lamp harness connector and
ground.
OK or NG
OK >> GO TO 6.
NG >> GO TO 4.
Test item Description
INT LAMP Map lamp can be operated by any ON−OFF operations.
IGN ILLUM
NOTE—
STEM LAMP TEST
NOTE—
LUGGAGE LAMP TEST

Luggage room lamp can be operated by any ON−OFF operations. (Coupe models)

Trunk room lamp can be operated by any ON−OFF operations. (Roadster models)
Map lamp should operate.
Te r m i n a l
Voltage
(Approx.) (+)
(-)
Map lamp connector Terminal
R52 3 Ground Battery voltage
SKIB7672E

INTERIOR ROOM LAMP
LT-145
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Revision: 2006 November2007 350Z
4. CHECK MAP LAMP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and map lamp connector.
3. Check continuity between BCM harness connector and map
lamp harness connector.
OK or NO
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK SHORT CIRCUIT
Check continuity between map lamp harness connector and ground.
OK or NG
OK >> Replace BCM if map lamp does not work after setting
the connector again. Refer to BCS-17, "
Removal and
Installation of BCM" .
NG >> Repair harness or connector.
6. CHECK MAP LAMP
1. Turn ignition switch OFF.
2. Disconnect map lamp connector.
3. Check continuity between map lamp.
OK or NG
OK >> GO TO 7.
NG >> Replace map lamp.
Terminals
Continuity BCM Map lamp
Connector Terminal Connector Terminal
M91 41 R52 3 Yes
PKIB5070E
Map lamp connector Terminal
GroundContinuity
R52 3 No
PKIA6053E
Te r m i n a l
Condition Continuity
Map lamp
32Map lamp switch is DOOR. Yes
Map lamp switch is OFF. No
SKIB7673E

LT-146
INTERIOR ROOM LAMP
Revision: 2006 November2007 350Z
7. CHECK MAP LAMP CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and map
lamp harness connector.
OK or NO
OK >> Replace BCM if map lamp does not work after setting
the connector again. Refer to BCS-17, "
Removal and
Installation of BCM" .
NG >> Repair harness or connector.
Map Lamp Control Does Not Operate (Roadster models)NKS004ZS
1. CHECK BETWEEN EACH SWITCH AND BCM
1. Select "INT LAMP" of BCM data monitor item.
2. Make sure switches listed in display item list turn ON-OFF linked with switch operation. Refer to LT- 1 4 3 ,
"Display Item List" for switches and their functions.
OK or NG
OK >> GO TO 2.
NG >> Inspect malfunctioning switch system.
2. CHECK BETWEEN BCM AND MAP LAMP
1. Select "INT LAMP" of BCM active test item.
2. With operating the test item, check the map lamp operation (When map lamp switch is in DOOR position).
OK or NG
OK >> Replace BCM. Refer to BCS-17, "Removal and Installation of BCM" .
NG >> GO TO 3.
3. CHECK BETWEEN BCM AND MAP LAMP
1. Turn ignition switch ON.
2. Check voltage between map lamp harness connector and
ground.
OK or NG
OK >> GO TO 6.
NG >> GO TO 4.
Terminals
Continuity BCM Map lamp
Connector Terminal Connector Terminal
M91 48 R52 2 Yes
PKIB5071E
Map lamp should operate.
Te r m i n a l
Voltage
(Approx.) (+)
(-)
Map lamp connector Terminal
R53 2 Ground Battery voltage
SKIB9083E

INTERIOR ROOM LAMP
LT-147
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Revision: 2006 November2007 350Z
4. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and map lamp connector.
3. Check continuity between BCM harness connector (A) and map
lamp harness connector (B).
OK or NO
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK SHORT CIRCUIT
Check continuity between map lamp harness connector and ground.
OK or NG
OK >> Replace BCM if map lamp does not work after setting
the connector again. Refer to BCS-17, "
Removal and
Installation of BCM" .
NG >> Repair harness or connector.
6. CHECK MAP LAMP
1. Turn ignition switch OFF.
2. Disconnect map lamp connector.
3. Check continuity between map lamp.
OK or NG
OK >> GO TO 7.
NG >> Replace map lamp.
Terminals
Continuity AB
Connector Terminal Connector Terminal
M91 41 R53 2 Yes
SKIB9084E
Map lamp connector Terminal
GroundContinuity
R53 2 No
SKIB9085E
Terminal
Condition Continuity
Map lamp
32Map lamp switch is DOOR. Yes
Map lamp switch is OFF. No
SKIB9086E

LT-148
INTERIOR ROOM LAMP
Revision: 2006 November2007 350Z
7. CHECK MAP LAMP CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and map
lamp harness connector.
OK or NO
OK >> Replace BCM if map lamp does not work after setting
the connector again. Refer to BCS-17, "
Removal and
Installation of BCM" .
NG >> Repair harness or connector.
Ignition Key Hole Illumination Does Not IlluminateNKS004ZT
1. CHECK BULB
Check bulb of lamp which does not operate.
OK or NG
OK >> GO TO 2.
NG >> Replace bulb.
2. CHECK BETWEEN EACH SWITCH AND BCM
1. Select "INT LAMP" of BCM data monitor item.
2. Make sure switches listed in display item list turn ON-OFF linked with switch operation. Refer to LT- 1 4 3 ,
"Display Item List" for switches and their functions.
OK or NG
OK >> GO TO 3.
NG >> Inspect malfunctioning switch system.
3. CHECK POWER SUPPLY TO IGNITION KEY HOLE ILLUMINATION
1. Turn ignition switch OFF.
2. Disconnect ignition key hole illumination connector.
3. Turn ignition switch ON.
4. Check voltage between ignition key hole illumination harness
connector and ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
Terminals
Continuity BCM Map lamp
Connector Terminal Connector Terminal
M91 48 R53 3 Yes
PKIB5073E
Terminal
Voltage
(Approx.) (+)
(-)
Ignition key hole illumination
connectorTerminal
M26 1 Ground Battery voltage
SKIB7676E

INTERIOR ROOM LAMP
LT-149
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4. CHECK POWER SUPPLY CIRCUIT FOR IGNITION KEY HOLE ILLUMINATION
1. Turn ignition switch OFF.
2. Disconnect BCM connector and key hole illumination connector.
3. Check continuity between BCM harness connector (A) and igni-
tion key hole illumination harness connector (B).
OK or NG
OK >> Replace BCM if ignition key hole illumination does not work after setting the connector again.
Refer to BCS-17, "
Removal and Installation of BCM" .
NG >> Repair harness or connector.
5. CHECK GROUND CIRCUIT FOR IGNITION KEY HOLE ILLUMINATION
1. Turn ignition switch OFF.
2. Disconnect BCM connector and key hole illumination connector.
3. Check continuity between BCM harness connector (A) and igni-
tion key hole illumination harness connector (B).
OK or NG
OK >> Replace BCM if ignition key hole illumination does not
work after setting the connector again. Refer to BCS-17,
"Removal and Installation of BCM" .
NG >> Repair harness or connector.
Luggage Room Lamp Does Not Illuminate (Coupe Models)NKS004ZU
1. CHECK BULB
Inspect bulb of luggage room lamp.
OK or NG
OK >> GO TO 2.
NG >> Replace bulb of luggage room lamp.
2. CHECK BETWEEN EACH SWITCH AND BCM
1. Select "LUGGAGE LAMP TEST" of BCM data monitor item.
2. Make sure switches listed in display item list turn ON-OFF linked with switch operation. Refer to LT- 1 4 3 ,
"Display Item List" for switches and their functions.
OK or NG
OK >> GO TO 3.
NG >> Inspect malfunctioning switch system.
Terminals
Continuity AB
Connector Terminal Connector Terminal
M9141M26 1 Yes
SKIB7677E
AB
Continuity
Connector Terminal Connector Terminal
M90 1 M26 2 Yes
SKIB7678E

LT-150
INTERIOR ROOM LAMP
Revision: 2006 November2007 350Z
3. CHECK BETWEEN BCM AND LUGGAGE ROOM LAMP
1. Select "LUGGAGE LAMP TEST" of BCM active test item.
2. With operating the test item, check the luggage room lamp operation.
OK or NG
OK >> Replace BCM. Refer to BCS-17, "Removal and Installation of BCM" .
NG >> GO TO 4.
4. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between luggage room lamp harness connector
and ground.
OK or NG
OK >> GO TO 7.
NG >> GO TO 5.
5. CHECK LUGGAGE ROOM LAMP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and luggage room lamp connector.
3. Check continuity between BCM harness connector and luggage
room lamp harness connector.
OK or NO
OK >> GO TO 6.
NG >> Repair harness or connector.
6. CHECK SHORT CIRCUIT
Check continuity between luggage room lamp harness connector
and ground.
OK or NG
OK >> Replace BCM if luggage room lamp does not work after
setting the connector again. Refer to BCS-17, "
Removal
and Installation of BCM" .
NG >> Repair harness or connector.Luggage room lamp should
operate.
Te r m i n a l
Voltage
(Approx.) (+)
(-)
Luggage room lamp
connectorTerminal
T13 1 Ground Battery voltage
SKIB7679E
Terminals
Continuity BCM Luggage room lamp
Connector Terminal Connector Terminal
M91 41 T13 1 Yes
PKIB5167E
Luggage room lamp
connectorTerminal
GroundContinuity
T13 1 No
PKIA7200E