1984 NISSAN 300ZX sensor

METER AND GAUGES -Needle Type Combination Gauge
Combination Gauge
I
2
P I To boost sensor
z c
+ 0 i m 0
Y
-
b 4
SEL693D
EL-68

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

WARNING LAMPS AND CHIME
Diode Check
Check continuity using an ohmmeter
Diode
is functioning properly if test results are
as shown below
--I+-- 11 ,- Diode
Ohmmeter
NO continuity
@
SEL700D
DIGITAL TYPE COMBINATION METER
Diodes for warning lamps are located on the
panel where warning bulbsare fitted
For bulb check
For brake warning
7f For door warning
Far door warning
For tail lamp warning
For radmtor warning
Far 0, sensor warning
Far headlamp warning For brake warning
SEL701D
-~
NEEDLE TYPE COMBINATION METER
Diodes for warning lamps are built into the
Combination meter printed circuit
7- For 0, sensor warning
BRAKE DOOR FUEL
For bulb check
LAMP
SEL70ZD
--Warning Chime Check
A
SEL875D
EL-75

VOICE WARNING SYSTEM
Schematic
I 12
DOOR STEP DOOR SWITCH
VOICE
GENERATOR
BRAKE PARKING WARNING LAMP BRAKE SWITCH FUSE - 1 19
FUEL WARN- FUEL TANK ING LAMP GAUGE UNIT
20 COMBINATION
METER lD8gc1al type) SPEED SENSOR
5v 18
I
7 COMBINATION METER (Needle type1
@ Dlgltal typemeter
@ Needle type meter
1
DOOR
SPEAKER
LH
I
__r_l RADIO
SEL703D
EL-76

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

AUTOMATIC SPEED CONTROL DEVICE (A.S.C. D.)
Trouble-shooting (Cont'd)
Turn ignition switch to "OFF"
Disconnect speedometer cable from trans-
mission
Connect an ohmmeter between
@ and
Slowly turn speedometer cable pinion by
hand to make
sure ohmmeter pointer
deflects
Ohmmeter pointer deflects twice per
rotation
of pinion.
0.
Check from harness side
Ohmmeter SEL7630
i
Check speed sensor circuit
(Digital type combination meter) -
(Refer to "METER AND GAUGES
- Needle Type Combination Meter"
~~~l~~~ AS c D
control unit
Check harness between A S C D
control unit and speed sensor
signal output terminal
of
combination meter
Does speedometer operate properly?
Go to "Speed Sensor Signal Check"
for checking combination meter
(Refer to "METER AND GAUGES
- Digital Type Combination Meter" )
Replace
speed sensor Check harness between AS C D
control unit and speed sensor
signal output terminal of
combination meter
EL-I 00

LOCATION OF ELECTRICAL UNITS
hock absorber
Direction sensor
Lock-up mntrol unit (For electronic controlled automatic tranmisionl
(Only for Canada digital L------ type combination meter I ~UIDU~ madell
Fuel pump relay r,
(Rear side inner
SEL75ZD
EL- 1 05