Service Manual - Page 49

For 1987 300ZX.

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HEADLAMP
Trouble-shooting
-No
When turning light
headlamps close?
switch to
"OFF",
do
+
Headlamps do not open
v
between light switch
and up hold relay
4
OK
Check harness
between headlamp
relay and headlamp
motor
OK
Replace headlamp
timer
(Turn light switch
OFF
\
1
When turning retract
switch to
"UP",
do
headlamm ooen?
lOK
headlamp motor
I
I
&
..
Yes
Check headlamp
I
relay
Check headlamp
to "DOWN"
Check harness
between headlamp
relay and headlamp
Do
headlamps come
When turning light
switch to "2ND", do
headlamps open?
I
les
switch
Check diodes
between light switch
Check harness
between light switch
1
and headlamp motor
I
I
When turning light
switch to
"PASSING",
Replace headlamp
do headlamps open?
Headlamps do not close
+
Turn light switch to
"OFF"
<:-r2
Check up hold relay
When turning retract
switch
to
"DOWN",
do headlamps close?
Check headlamp relay
I
Yes
x
I I
Check retract switch
I
I I
Check headlamp
I
to "DOWN"
Check diodes
EL-49
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