1984 NISSAN 300ZX Electrical System Workshop Manual

INSTRUMENT SWITCH
p7J-q
INSTRUMENT
RETRACT
SWITCH
HAZARD
SWITCH
E:EGGER SWITCH
OFF
[WJ]
-'+ Dark N (For ASC D switch)
(Far illuminafion
control swifchl
HAZARD RETRACT SWITCH SWITCH
ASCD MAIN
SWITCH
I LLUMlNATlON
CONTROL SWITCH
BRIGHT DARK
El
INSTRUMENT SWITCH R.H.
m
REAR WIPER
&WASHER
SWITCH
RE4R
DEFOGGER
SWITCH REAR WIPER
&WASHER SWITCH
AUXILIARY DRIVING
LAMP SWITCH
For removal, refer to "INSTRUMENT" in BF section
EL-25

HEADLAMP
Operation
0 The following chart depicts the operational modes of relays and headlamp motors in relation to the posi-
nons
of the headlamD and retract switches
Light switch
Retract switch
Mal”
Dimmer Headlamp
Uphold relay
Headlamp relay
Pasrlng relay
Headlamp mofor
Parsing -2ND 7 Main
nn
1 ST
I I I
I I I I I , I , , 1 I 1 I , I I OFF 1 1 I I I I 1 I I OFF I I 1 I I I I I I II I I
UP
II 111
I
Ill I I I !
I j ON
I I
I ON
I I I I
I
OFF I
I I
I I I 1 I I1 1 I 1
I/ OFF
I I 1, I !I I OFF ~
I I UP DOWN
SEL743D
EL-26

-
BATTERY TI RFI AV 1 7
THEFT WARNING
r --, I II
I
"$ 7; '/' '
PASSING RELAY
k=a-J \-UPHOLD RELAY
I
1V.
@ Wnihoul headlamp warning
0 Wnh headlamp warning

HEADLAMP
Wiring Diagram
HEADLAMP
MOTOR R H
RH
HEADLAMP
HEADLAMP
MOTOR L H
HEADLAMP
RELAY
ItT type Black)
EL-28

L
,
sin Mld
u f

HEADLAMP
Trouble-shooting
Check diodes
between light switch
and up hold relay
1 OK
Check harness
between headlamp
relay and headlamp
motor
headlamp motor When turning retract
switch to
"UP", do
headlamps open?
Check headlamp
Yes relay
Check headlamp
motor
Turn retract switch
to "DOWN"
between headlamp
relay and headlamp
motor
v
When turning light
r switch to "ZND", do
-No When turning light
switch to "OFF". do
headlamps close? ~
on, I headlampsopen? I I
Replace
headlamp
timer -.
-
I
(es
switch
Check up hold relay 1 I
lo
Check diodes
between light switch
and up hold relay
OK
between light switch
and headlamp motor
When turning light
switch to "PASSING", Replace headlamp
do headlamps open?
Headlamps do not close
F
(Turn light switch to "OFF"
c - No
When turning retract
switch to "DOWN",
do headlamps close?
I - Check headlamp relay
Yes
Check retract switch
Check headlamp
EL-30

LE-13

HEADLAMP
Installation
1 Set the headlamp motor to "DOWN" position
Connect harness
to headlamp motor and set
retract switch to "DOWN" Headlamp motor
can now be
set to "DOWN" with retract
switch Install the headlamp link assembly and head-
lamp motor in the body
When installing the link to the motor, make
sure the motor link is installed as shown below
2
3 Install the connecting link
,Aligning mark fordown
Motor
SEL649D
Adjustment
After installing connecting link, always adjust
it as follows
1) Set the headlamp to "DOWN" positlon
2) Adjust connecting link so that the lid IS proper-
ly aligned with hood and fender
3) Set the headlamp to "UP" position
4) Adjust stopper screw
SEL65'D
EL-32