1984 NISSAN 300ZX ignition

01 L OIL OIL
PRESSURE TEMPERATURE PRESSURE SENSOR SENSOR SENSOR
I
BOOST
SENSOR
v) m r
P 0
%
@ f$& BODY GROUND
m
h
(Instrument harness)
FUSE
BLOCK J
COMBINATION GAUGE
VOLTMETER
GAUGE
4
GAUGE
BOOST METER
TRIMMER
IGNITION SWITCH
ON or START
I G (Main harness)
Turbocharger
model
Nom turbocharger
model
A/T model
M/T model
3
m
-I
m
rn
D
z
U
0
D
C
0
rn
ui
I
z
(D (D Q
T
-I Y
0 (D
0 0
3
0
¶ 9)
¶
9) c
0
(D
-.
E
G)

METER AND GAUGES -Needle Type Combination Gauge
Oil Temp. Sensor Check
1 Warm up engine
2
3
Stop engine and turn ignition switch OFF
Check resistance of
oil temp sensor
SEL695D
- Boost Gauge Trimmer Adjustment -
When boost gauge does not give proper reading,
adjust
0 kPa (0 mmHg, 0 inHg) point with the
trimmer located on interlor upper wall of glove
box
Use a screwdriver to adjust trimmer
For checking oil pressure sensor and boost
sensor, refer to pages EL-53 and 56
EL-70

VOICE WARNING SYSTEM
Operational Check
Fuel level
I Condition I Voice Warning -~ ~
Item
Fuel level less than
1OP (2-5/8USgal, - “Fuel level is low’’
2-1/4 Imp gal) ~~
Left
door
Door switch L H is “ON“
(Left door is open)
ignition switch
“OFF” Light
Door switch L H is
”ON”
(Left door is open)
Lighting switch is “ON” “Lights are ON”
“Left door is open”
Speed switch is “ON”
Vehicle speed is more
than
10 km/h (6 MPH)
Door switch R H is
”Right door is open”
Parking brake switch Parking brake is “ON” ”Parking brake is ON”
e If rhe warning is not properly given under the above condition, go to “Trouble-Shooting”.
EL-78

VOICE WARNING SYSTEM
Trou ble-shooting
Voltmeter
Condition
1 Ignition sw "ACC"
Check if speaker in driver's door
produces sound wheri radio
is
turned "ON"
Ignition sw "OFF"
Normal
i
Check harness connector run-
ning to driver's door speaker
Lighting switch "ON"
Check voice warning switch
CNG>
More than 9V
Replace voice warning switch i
v
Disconnect connector running to voice warning device and check voltage
at each terminal of connector
I- I I
I OK T
Replace voice warning device
I NG i
Check harness
EL-79

rn I-
0
do
Left door Right door Parking brake Fuel level Light
OK (7) Check if step lamp
left or right door
is opened
Check door switch
I
I
lxeed % Sensor
Signal Check"
-1 (Refer to "METER I
Check if fuel
warning lamp
comes on when Check if parking
brake warning
lamp comes on
when parking
brake lever
is
pulled with
ignition switch
"ON"
NG
Check parking
brake switch Check fuel tank
gauge unit
(Refer to "METER
AND GAUGES")
Repair or
replace
AND GAUGES" )
v
Check for loose connector,
poor grounding
or broken wire
'""I
Repair or
replace
OK
Replace voice warning device
Check if all illumi-
nation lamps come
on when lighting
switch
is "ON"
Check lighting
switch

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