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LT-176
INTERIOR ROOM LAMP
Revision: 2005 July 2005 FX
How to Proceed With Trouble DiagnosisAKS007FC
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT- 1 5 9 , "
System Description" .
3. Perform Preliminary Check. Refer to LT- 1 7 6 , "
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
Preliminary CheckAKS007FD
CHECK FOR POWER SUPPLY AND GROUND CIRCUIT
1. CHECK FUSES
Check for blown fuses.
Refer to LT- 1 6 7 , "
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-
3, "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.
BCM Battery
M
22
Ignition switch ON or START position 1
Terminal Ignition switch position
(+) (-) OFF ON
Connector Terminal
(Wire color)
M4 42 (L/R)
Ground Battery voltage Battery voltage
55 (G) Battery voltage Battery voltage
M3 38 (W/L) Approx. 0V Battery voltage
PKIB5199E
Terminal Continuity
Connector Terminal (Wire color) Ground Yes
M4 49 (B)
52 (B)
PKIB3545E
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INTERIOR ROOM LAMP LT-177
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CONSULT-II Functions (BCM)AKS007FE
CONSULT-II can display each diagnostic item using the diagnostic test mode shown following.
CONSULT-II BASIC OPERATION
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
1. With ignition switch OFF, connect CONSULT-II and CONSULT-II CONVERTER to data link connector, then turn ignition switch
ON.
2. Touch “START (NISSAN BASED VHCL)”.
3. Touch “BCM” on “SELECT SYSTEM” screen. If “BCM” is not indicated, refer to GI-39, "
CONSULT-II Data Link
Connector (DLC) Circuit" .
BCM diagnosis part Diagnosis mode Description
INT LAMP WORK SUPPORT Changes 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.
PBIB1503E
BCIA0029E
BCIA0030E
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LT-178
INTERIOR ROOM LAMP
Revision: 2005 July 2005 FX
4. Touch “INT LAMP” on “SELECT TEST ITEM” screen.
WORK SUPPORT
Operation Procedure
1. Touch “INT LAMP” on “SELECT TEST ITEM” screen.
2. Touch “WORK SUPPORT” on “SELECT DIAG MODE” screen.
3. Touch “SET I/L D − UNLCK INTCON” on “SELECT WORK ITEM” screen.
4. Touch “START”.
5. Touch “CHANGE SETT”.
6. The setting will be changed and “CUSTOMIZING COMPLETED ” will be displayed.
7. Touch “END”.
Display Item List
Reference between “MODE” and “TIME” for “TURN ON/OFF”
DATA MONITOR
Operation Procedure
1. Touch “INT LAMP” 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
PKIA5226E
Item Description CONSULT-II
SET I/L D −UNLCK INTCON The 30 seconds glowing function interior room lamps and ignition keyhole illu-
mination can be selected when driver door is released (unlocked). ON/OFF
ROOM LAMP ON TIME SET The 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 SET The 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
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.
KEY ON SW “ON/OFF” Displays “Key inserted (ON)/key removed (OFF)” status judged from key switch signal.
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INTERIOR ROOM LAMP LT-179
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NOTE:
Vehicle with intelligent key system display this item.
ACTIVE TEST
Operation Procedure
1. Touch “INT LAMP” 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 “BACK” deactivates the operation.
Display Item List
NOTE:
This item is displayed, but cannot be tested. 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 “ON/OFF” Displays “Door open (ON)/Door closed (OFF)” status, determined from rear door switch RH sig-
nal.
DOOR SW - RL “ON/OFF” Displays “Door open (ON)/Door closed (OFF) ” status, determined from rear door switch LH sig-
nal.
BACK DOOR SW “ON/OFF” Displays “Door open (ON)/Door closed (OFF) ” status, determined from back door switch signal.
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.
I − KEY LOCK
NOTE“ON/OFF” Displays “Locked (ON)/Other (OFF)” status, determined from lock signal.
I − KEY UNLOCK
NOTE“ON/OFF” Displays “Unlocked (ON)/Other (OFF)” status, determined from unlock signal.
Monitor item Contents
Test item Description
INT LAMP Interior room lamp can be operated by any ON −OFF operations.
IGN ILLUM Ignition key hole illumination can be operated by ON −OFF operation.
STEP LAMP TEST All step lamp can be operated by ON −OFF operation.
LUGGAGE LAMP TEST
NOTE—
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LT-180
INTERIOR ROOM LAMP
Revision: 2005 July 2005 FX
Interior Room Lamp Control Does Not OperateAKS007FF
1. CHECK EACH SWITCH
Select “BCM” on CONSULT-II. With “INT LAMP” data monitor to
make sure switches listed in display item list turn ON-OFF linked
with switch operation. Refer to LT- 1 7 8 , "
Display Item List" for
switches and their functions.
OK or NG
OK >> GO TO 2.
NG >> Inspect malfunctioning switch system.
2. ACTIVE TEST
1. Select “BCM” on CONSULT-II. Select “INT LAMP” active test.
2. When interior room lamp switch is in DOOR position, use active test to make sure interior room lamp operates.
OK or NG
OK >> Replace BCM. Refer to BCS-16, "Removal and Installa-
tion of BCM" .
NG >> GO TO 3.
3. CHECK INTERIOR ROOM LAMP INPUT
1. Turn ignition switch OFF.
2. Check voltage between interior room lamp harness connector R53 terminal 1 (PU) and ground.
OK or NG
OK >> GO TO 6.
NG >> GO TO 4.
4. CHECK INTERIOR ROOM LAMP
1. Disconnect interior room lamp connector.
2. Check continuity between interior room lamp.
OK or NG
OK >> GO TO 5.
NG >> Replace Interior room lamp.
PKIB3532E
PKIA7641E
1 (PU) – Ground : Battery voltage.
PKIA5249E
Terminal Condition Continuity
Interior room lamp
12 Interior room lamp switch is DOOR. Yes
Interior room lamp switch is OFF or ON. No
PKIB3509E
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INTERIOR ROOM LAMP LT-181
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5. CHECK INTERIOR ROOM LAMP CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M4 terminal 41 (R/B) and interior room lamp harness connector R53 terminal
2 (R).
OK or NG
OK >> Replace BCM if interior room lamp does not work after setting the connector again. Refer to BCS-16, "
Removal
and Installation of BCM" .
NG >> Repair harness or connector.
6. CHECK INTERIOR ROOM LAMP CIRCUIT
1. Disconnect BCM connector and interior room lamp connector.
2. Check continuity between BCM harness connector M4 terminal 48 (PU/W) and interior room lamp harness connector R53 termi-
nal 1 (PU).
OK or NG
OK >> Replace BCM if interior room lamp does not work after setting the connector again. Refer to BCS-16, "
Removal
and Installation of BCM" .
NG >> Repair harness or connector.
Map Lamp Control Does Not OperateAKS007IK
1. CHECK EACH SWITCH
Select “BCM” on CONSULT-II. With “INT LAMP” data monitor to
make sure switches listed in display item list turn ON-OFF linked
with switch operation. Refer to LT- 1 7 8 , "
Display Item List" for
switches and their functions.
OK or NG
OK >> GO TO 2.
NG >> Inspect malfunctioning switch system.
2. ACTIVE TEST
1. Select “BCM” on CONSULT-II. Select “INT LAMP” active test.
2. When map lamp switch is in DOOR position, use active test to make sure map lamp operates.
OK or NG
OK >> Replace BCM. Refer to BCS-16, "Removal and Installa-
tion of BCM" .
NG >> GO TO 3. 41 (R/B) – 2 (R) : Continuity should exist.
PKIB3511E
48 (PU/W) – 1 (PU) : Continuity should exist.
PKIB3510E
PKIB3532E
Map lamp should operate.
PKIA7641E
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LT-182
INTERIOR ROOM LAMP
Revision: 2005 July 2005 FX
3. CHECK MAP LAMP INPUT
1. Turn ignition switch OFF.
2. Check voltage between map lamp harness connector R52 termi- nal 2 (PU) and ground.
OK or NG
OK >> GO TO 6.
NG >> GO TO 4.
4. CHECK MAP LAMP
1. Disconnect map lamp connector.
2. Check continuity between map lamp.
OK or NG
OK >> GO TO 5.
NG >> Replace Map lamp.
5. CHECK MAP LAMP CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M4 terminal 41 (R/B) and map lamp harness connector R52 terminal 3 (R).
OK or NG
OK >> Replace BCM if map lamp does not work after setting the connector again. Refer to BCS-16, "
Removal and
Installation of BCM" .
NG >> Repair harness or connector.
6. CHECK MAP LAMP CIRCUIT
1. Disconnect BCM connector and map lamp connector.
2. Check continuity between BCM harness connector M4 terminal 48 (PU/W) and map lamp harness connector R52 terminal 2
(PU).
OK or NG
OK >> Replace BCM if map lamp does not work after setting the connector again. Refer to BCS-16, "
Removal and
Installation of BCM" .
NG >> Repair harness or connector. 2 (PU) – Ground : Battery voltage.
PKIA5253E
Terminal
Condition Continuity
Map lamp
23 Map lamp switch is DOOR. Yes
Map lamp switch is OFF. No
PKIA6054E
41 (R/B) – 3 (R) : Continuity should exist.
PKIB3515E
48 (PU/W) – 2 (PU) : Continuity should exist.
PKIB3514E
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INTERIOR ROOM LAMP LT-183
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Personal Lamp Control Does Not OperateAKS007FG
1. CHECK REAR DOOR SWITCH
Select “BCM” on CONSULT-II. With “INT LAMP” data monitor to
make sure switch “DOOR SW-RR” and “DOOR SW-RL” turn ON-
OFF linked with rear door (RH and LH) operation.
OK or NG
OK >> GO TO 2.
NG >> Inspect malfunctioning rear door switch.
2. CHECK PERSONAL LAMP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect personal lamp connector.
3. Open rear door.
4. Check continuity between personal lamp harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK PERSONAL LAMP INPUT
Check voltage between personal lamp harness connector and
ground.
OK or NG
OK >> Replace personal lamp. Refer to LT- 1 5 3 , "Removal and
Installation" .
NG >> GO TO 4.
PKIA7640E
Terminal
Continuity
Personal lamp
Ground
Connector Terminal (Wire color)
RH R55 1 (L) Ye s
LH R54 1 (P)
PKIA5257E
Terminal
Voltage
Personal lamp (+) (-)
Connector Terminal (Wire color) Ground
RH R55
2 (R) Battery voltage
LH R54
PKIA5258E