1984 NISSAN 300ZX Wiper

ELECTRICAL SYSTEM
I
SECTION EL
CONTENTS
HOW TO READ DIAGRAMS
STANDARDIZED RELAY
POWER SUPPLY ROUTING
BATTERY.
.. ..
STARTING SYSTEM .
STARTING SYSTEM -Starter -
CHARGING SYSTEM .
CHARGING SYSTEM - Alternator
COMB IN AT1 ON SWITCH
INSTRUMENT SWITCH
HEADLAMP
EXTERIOR LAMP,
INTERIOR LAMP
.
..
..
..
..
..
... ......
..
.. ....
..
.. ...
EL- 2
EL- 3
EL- 4
EL- 6
EL- 9
EL-
10
EL- 15
EL- 17
EL- 23
EL- 25
EL- 26
EL- 34
EL- 38
METER AND GAUGES - Digital Type Combination Meter . . EL- 41
METER AND GAUGES - Digital Type Combination Gauge . .. .. EL- 57
METER AND GAUGES - Needle Type Combination Meter .. . EL- 65
METER AND GAUGES
- Needle Type Combination Gauge.. .... EL- 68
WARNING LAMPS AND CHIME. .......... ... .... EL- 71
VOICE WARNING SYSTEM
... ... EL- 76
TIME CONTROL SYSTEM ... EL- 81
WIPER AND WASHER .... .... ... ... . EL- 89
HORN, CIGARETTE LIGHTER, CLOCK . . ......... EL- 92
REAR WINDOW DEFOGGER
... .. ... ....... EL- 93
AUDIO AND POWER ANTENNA
,. . .... .. . EL- 95
AUTOMATIC SPEED CONTROL DEVICE (AS
C D ) . ... , . EL- 97
LOCATION OF ELECTRICAL UNITS
... .. .. .. EL-104
HARNESS LAYOUT
. . .. .. .. . EL-107

COMBINATION SWITCH
Intermittem WIPER
wimrvolume
WASH
TURN
Horn terminal RESUME
OFF
INT s
L
4
LO
HI
ASCD
LIGHTING SWITCH WIPER SWITCH INTERMITTENT
WIPER VOLUME AS C D SWITCH
HORN SWITCH
TURN
SIGNAL
SWITCH
-
SEL64ZD
EL-23

COMBINATION SWITCH
Replacement
Lighting switch, wiper & washer switch and
AS C D switch can be replaced without removing
combination switch base
Swtch base
Lighting switch
Washer swmh
A S C D sei switch SEL643D
To remove combination switch base, remove base
attaching screw and turn after pushing on
it
Attaching screw
Protrusion gu!dei
Hole
SEL644D
EL-24

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

TIME CONTROL SYSTEM
CAUTION
Never touch the terminals of time control unit with bare hands.
1) Intermittent wiper control timer 5) Light warning timer
2) Interior lamp timer 6) Key warning timer
3) Door key hole illumination timer 7) Seat belt warning timer
4) Illumination control timer 8) Rear defogger timer
Time control unit has the following functions
ltNlTlON SWlTCH IGNITION lGNlTlON
FUSE
TlME CONTROLUNil /I
1
SEL705D
EL-81

TIME CONTROL SYSTEM
Volwnetei terminals
- Preparation for Trouble-shooting -
1 Remove R H dash side cover and remove
blower motor
2 Remove time control unit with harness con-
nected
3 Connect main harness to instrument harness (if
disconnected)
Check from harness ride
Ignition switch pOIitiOn
harness connection SE L750D
I+)
-Power Supply Cercuit Check-
1-1 OFF ACC ON
@
@ 1 @ j ov 1 ov I Approx 17v
ov Approx Approx 12v 12v 0
Contlnult"
- Trou ble-shooting
intermittent wiper does not operate
4
I Go to "Power Supply Circuit Check"
OK NG
Check harness for T C U
power supply circuit
v
Check wiper relay circuit
OK NG
I Check wiDer relav I I
I
I 10 K ~NG
Check harness between Replace
T C U and wiper relay
Check wiper switch circuit check wiper relay
1 OK
I
Replace T C U Check wiper switch
Check harness between T C U Replace
and wiper switch
b
wiper switch
v
WIPER RELAY CIRCUIT CHECK
1 Turn wiper switch to "INT"
2 Turn ignition switch to "ACC"
3 Measure voltage across and 0
Check from harness ride
fTl7rFl
Wiper switch INT 0-12v lgnmon switch ACC
Needle shakes from 0 to 12V every 2 to 15 seconds
SEL708D
Voltmeter u
WIPER SWITCH CIRCUIT CHECK
1 Turn wiper switch to "INT"
2. Turn ignitionswitch to "OFF".
3 Check continuity between @ and @
Check from harness ride
Wiper switch INT
Ignition switch OFF
Ohmmeter
SEL709D
EL-83

TIME CONTROL SYSTEM
Trouble-shooting (Cont'd)
Intermittent time of wiper cannot be adjusted
Check intermittent wiper volume circuit
Check harness between T C U
and intermittent wiper volume
Replace
wiper switch
~~~_____ ~~ ~
1
2 Measure resistance between @J and @
Turn ignition switch to "OFF"
while turning intermittent wiper volume.
Check from harness side
Ignition switch OFF
0-1 kS2
Intermittent wiper knob
0 Rat S posmon
1 kR at L postiton Approx
Ohmmeter SEL710D
combination
Check washer switch circuit
I NG f
Replace T C U Check harness between
T C U and washer switch
1
2
3
Turn ignition switch to "OFF".
Turn washer switch to "ON"
Check continuity between @ and @
Check from harness side
lgnitjon rwrtch OFF
WASH
I
Ohmmeter SEL711D
EL-84

WIPER AND WASHER
Windshield Wiper and Washer/Wiring Diagram
. 31 -0
m
D U Y
Y -
I LL
U
EL-89