turn signal bulb NISSAN PATROL 2000 Electronic Repair Manual

Trouble Diagnoses/RHD Models
Symptom Possible cause Repair order
Cornering lamps do not operate but
turn signal lamps operate.1. 10A fuse
2. Lighting switch circuit
3. Lighting switch
4. Cornering lamp relay unit1. Chack 10A fuse [No.
15, located in fuse block (J/B).]
Verify battery voltage is present at terminal
V11of light-
ing switch.
2. Check harness for open or short between lighting
switch and cornering lamp relay unit.
3. Check lighting switch.
4. Replace the cornering lamp relay unit.
LH cornering lamp does not operate
but RH cornering operates.1. Bulb
2. Cornering lamp LH circuit
3. Cornering lamp ground LH circuit1. Check bulb
2. Check harness for open or short between cornering
lamp LH and cornering lamp relay unit.
3. Check harness for open or short between cornering
lamp LH and ground.
RH cornering lamp does not operate
but LH cornering operates.1. Bulb
2. Cornering lamp RH circuit
3. Cornering lamp ground RH circuit1. Check bulb
2. Check harness for open or short between cornering
lamp RH and cornering lamp relay unit.
3. Check harness for open or short between cornering
lamp RH and ground.
CORNERING LAMP
EL-1057

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 ªONº position?
Yes
cNo
Check the following.
+Bulb
+10A fuse [No.
20,
located in the fuse block
(J/B)]
+Harness for open or
short between fuse and
front interior room lamp
+Front interior room lamp
ground condition
Does key warning chime operate prop-
erly?
Yes
cNo
Check ªWARNING
CHIMEº system.
(Refer to EL-1094.)
CHECK ROOM LAMP OUTPUT SIGNAL.
1. Turn front interior room lamp switch to
ªDOORº position.
2. Disconnect super lock control unit con-
nector.
3. Check voltage between super lock con-
trol unit terminal
V26and ground.
Battery voltage should exist.
OK
cNG
Check harness for open or
short between front interior
room lamp and super lock
control unit.
CHECK DOOR SWITCH INPUT SIGNAL.
1. Connect super lock control unit con-
nector.
2. Check voltage between super lock con-
trol unit terminals
V30,V31and ground.
OK
cNG
Check the following.
+Door switch
+Door switch ground con-
dition
+Harness for open or
short between super
lock control unit and
door switch
Replace control unit.
Terminals
ConditionVoltage
[V]
Å@
V30GroundDriver side door
is opened.0
Driver side door
is closed.Approx.
5
V31GroundAt least one
door is opened.0
All doors are
closed.Approx.
5
SEL120X
SEL121X
.
.
.
.
INTERIOR ROOM LAMP
EL-1072