NISSAN TEANA 2003 Service Manual

INTERIOR ROOM LAMP
LT-223
C
D
E
F
G
H
I
J
L
MA
B
LT

SchematicBKS001R6
TKWH0322E

LT-224
INTERIOR ROOM LAMP

TKWM4605E

INTERIOR ROOM LAMP
LT-225
C
D
E
F
G
H
I
J
L
MA
B
LT

Wiring Diagram — ROOM/L —BKS001R7
TKWM4606E

LT-226
INTERIOR ROOM LAMP

TKWM4607E

INTERIOR ROOM LAMP
LT-227
C
D
E
F
G
H
I
J
L
MA
B
LT

TKWM4608E

LT-228
INTERIOR ROOM LAMP

TKWM4609E

INTERIOR ROOM LAMP
LT-229
C
D
E
F
G
H
I
J
L
MA
B
LT

TKWM4610E

LT-230
INTERIOR ROOM LAMP

Terminals and Reference Values for BCMBKS001R8
Te r -
minal
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
7 LG/R Door lock status signal OFF Door unlock sensorUNLOCK posi-
tionApprox. 0 V
Other
Approx. 8.5 - 9.0
12 R/LFront door switch (pas-
senger side) signalOFFFront door switch
(passenger side)ON (open) Approx. 0 V
OFF (closed)
Approx. 7.5 - 8.0
13 R/BRear door switch RH sig-
nalOFF Rear door switch RHON (open) Approx. 0 V
OFF (closed)
Approx. 7.5 - 8.0
37B/R
*1
BR*2Key switch signal OFFVehicle key is removed. Approx. 0 V
Vehicle key is inserted. Battery voltage
38 R Ignition switch (ON) ON — Battery voltage
39 L CAN−H— — —
40 P CAN−L— — —
42 Y/RBattery power
supplyOFF — Battery voltage
47 R/W Step lamp output signal OFFFront door switch (driver side)
or front door switch (passenger
side)ON
(open)Battery voltage
OFF
(close)Approx. 0 V
48 Y Room lamp output signalOFF
Interior
room lamp
switch:
DOOR
positionVehicle
key is
insertedAny
door
switchON
(open)Approx. 0 V
OFF
(closed)Battery voltage
—Vehicle
key is
removedAfter the
inserted key is
removedApprox. 0 V
Ignition key is
ONBattery voltage
PKIC4868J
PKIB4960J
PKIB4960J

INTERIOR ROOM LAMP
LT-231
C
D
E
F
G
H
I
J
L
MA
B
LT

NOTE:
*1:WIth Intelligent Key
*2:Without Intelligent Key
How to Perform With Trouble DiagnosesBKS001R9
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT- 2 1 9 , "
System Description" .
3. Perform the Preliminary Check. Refer to LT- 2 3 2 , "
Preliminary Check" .
4. Check symptom and repair or replace the cause of malfunction.
5. Does the interior room lamp operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
52 B Ground ON — Approx. 0 V
55 W/BBattery power
supplyOFF
— Battery voltage
57 V/W Trunk switch signal OFFTrunk room lamp
switchON (open) Approx. 0 V
OFF (close) Battery voltage
62 SBFront door switch (driver
side) signalOFFFront door switch
(driver side)ON (open) Approx. 0 V
OFF (closed)
Approx. 7.5 - 8.0
63 R/WRear door switch LH sig-
nalOFF Rear door switch LHON (open) Approx. 0 V
OFF (closed)
Approx. 7.5 - 8.0
64 BR/W Trunk lamp output signal OFFTrunk room lamp
switchON (open) Approx. 12 V
OFF (close) Approx. 0 V Te r -
minal
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
PKIB4960J
PKIB4960J

LT-232
INTERIOR ROOM LAMP

Preliminary CheckBKS001RA
CHECK POWER SUPPLY AND GROUND CIRCUIT
1. CHECK FUSES AND FUSIBLE LINK
Check for blown fuses and fusible link.
Refer to LT-225, "Wiring Diagram — ROOM/L —" .
OK or NG
OK >> GO TO 2.
NG >> If fuse or fusible link is blown, be sure to eliminate cause of malfunction before installing new fuse
or fusible link. 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 or fusible link No.
BCMBatteryM
17
Ignition switch ON or START position 1
Terminals Ignition switch position
(+)
(-) OFF ON
BCM
connectorTerminal
M3 38
GroundApprox. 0 V Battery voltage
M442 Battery voltage Battery voltage
55 Battery voltage Battery voltage
PKIA7520E
BCM
connectorTerminal
GroundContinuity
M4 52 Yes
PKIA6256E