1998 NISSAN PATROL Ya go

System Description
Front interior room lamp timer is controlled by smart entrance control unit while interior room lamp switch is
in the ``DOOR'' position.
Smart entrance control unit does not control rear interior room lamp.
TIMER OPERATION
Interior room lamp timer keeps interior room lamp illuminated for about 15 seconds when:
+driver's door is unlocked while key is out of ignition key cylinder,
+key is withdrawn from ignition key cylinder while driver's door is closed, and
+driver's door is opened and then closed while ignition switch is not in the ``ON'' position.
The timer is cancelled, and interior room lamp turns off when:
+driver's door is locked, or
+ignition switch is turned ``ON''.
ON-OFF CONTROL
When the front driver side door, front passenger side door, rear LH door, rear RH door or back door is opened,
interior room lamp turns on.
When driver side door is opened and then closed while ignition switch is not in the ON position, interior room
lamp timer operates. (Timer does not operate when doors other than the driver side door is opened and
closed.)
INTERIOR ROOM LAMP Ð With Timer Ð
EL-93

Schematic
TEL611A
INTERIOR ROOM LAMP Ð With Timer Ð
EL-94

Wiring Diagram Ð ROOM/L Ð/LHD Models
TEL607A
INTERIOR ROOM LAMP Ð With Timer Ð
EL-95

TEL608A
INTERIOR ROOM LAMP Ð With Timer Ð
Wiring Diagram Ð ROOM/L Ð/LHD Models
(Cont'd)
EL-96

TEL609A
INTERIOR ROOM LAMP Ð With Timer Ð
Wiring Diagram Ð ROOM/L Ð/LHD Models
(Cont'd)
EL-97

Wiring Diagram Ð ROOM/L Ð/RHD Models
TEL646A
INTERIOR ROOM LAMP Ð With Timer Ð
EL-98

TEL647A
INTERIOR ROOM LAMP Ð With Timer Ð
Wiring Diagram Ð ROOM/L Ð/RHD Models
(Cont'd)
EL-99

Trouble Diagnoses
DIAGNOSTIC PROCEDURE
SYMPTOM: Front interior room lamp does not turn on when
any door is opened, or timer does not operate
properly.
Does room lamp turn on when room lamp
switch is in ``ON'' position?
Ye s
cNo
Check the following.
+Bulb
+10A fuse [No.
20,
located in the fuse block
(J/B)]
+Harness for open or
short between fuse and
room lamp
+Room lamp ground con-
dition
Does key warning chime operate prop-
erly?
Ye s
cNo
Check ``WARNING
CHIME'' system.
(Refer to EL-135.)
Does power door lock operate using driver
side knob lock switch?
Ye s
cNo
Check ``POWER DOOR
LOCK'' system.
(Refer to EL-204.)
CHECK ROOM LAMP OUTPUT SIGNAL.
1. Turn room lamp switch to ``DOOR''
position.
2. Disconnect control unit connector.
3. Check voltage between control unit ter-
minalj
17and ground.
Battery voltage should exist.
OK
cNG
Check harness for open or
short between room lamp
and control unit.
CHECK DOOR SWITCH INPUT SIGNAL.
1. Connect control unit connector.
2. Check voltage between control unit ter-
minalj
10and ground.
OK
cNG
Check the following.
+Door switch
+Door switch ground con-
dition
+Harness for open or
short between control
unit and door switch
Replace control unit.
Condition Voltage [V]
At least one door is
opened.0
All doors are closed. Approx. 12
SEL152VA
SEL153VA
.
.
.
.
.
INTERIOR ROOM LAMP Ð With Timer Ð
EL-100