brake NISSAN 300ZX 1984 Z31 Electrical System Workshop Manual

METER AND GAUGES -Needle Type Combination Meter
Combination Meter
pj
0, SENSO
35 36 31
1 TACHO-
METER
BBpgBW *Em 8EAR
FUEL BELT DOOR BRAKE CHARGE OIL RADIATO HEAD- STOP&
COOLANl LAMP TAIL LAMP
0 32 -- a: "E NATION 30
ILLUMI-
0 33 -U 18 19 20 s;14 15 5 23
24 2. 29 1 3 4 11
SEL690D
EL-65

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

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

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.)
-Preparation for Trouble-shooting Trouble-shooting
Remove AS C D control unit with harness AS C D control unit cznnot be set properly connected. I
Turn AS C D main switch "0FF"and then "ON"
to make sure indicator (located above combination
meter1 illuminates
Check for loose vacuum Check AS C D main
[-I switch and AS C D relay
Check power supply circuit for
A S C D control
unit SEL736D
Check stop switch. clutch
switch (MIT model).
inhibitor relay and
inhibitor switch (AIT model) POWER SUPPLY CIRCUIT CHECK
1 Release brake and clutch pedals
2 Turn ignition switch to "ON"
3 Turn A S.C.D main switch to "ON"
4. Check voltage between 0 and @ v Check harness between
AS C D power supply Check from harness side
-+ Release
A/T control -+ ..D" range
AS C D main wnch }-ON IOK Checksets:and
harness between control
unit and
set switch Voltmeter SELSlOD
SET SWITCH CIRCUIT CHECK
1. Turn ignition switch to "OFF". Go to "A S C D Actuator Check" -
2 Push A.S.C.D. set switch
3 Check continuity between 0 and @
Check from harness side
tion switch 4 OFF
C 0 ret switch + ON
SELBllD Ohmmeter
I
circuit
I Check set switch circuit for AS C D control unit 1
lNG Replace actuator !OK *
(Next page)
EL-99

Diode
L & GLLxodelr
TO ENGINE ROOM
H R H (HORN RELAY]
HRH
ITHEFT
WARNING RELAY-11
TO ENGINE ROOM
TO THEFT WARNING
CONTROL UNIT
TO HORN SWJ
TO BACK DOOR SW TOTHEFT WARNING 3TlME CONTROL UNIT CONTROL UNIT
TO ENGINE ROOM H R H ro INST H R H :DOOR WARNING LAMPI sw TOEFI H
TO LIGHT SW TO ENGINE ROOM H R H (POWER
STEERING SWI
TO INJECTOR BLOWER IFAN MOTOR RELAY)
(For theft warning system & E F I systeml
ode 6&
F model9
Not used
TOEFI H
TO ENGINE ROOM
HRH (POWER
STEERING SWI
TO LIGHT SW
TO FUSE
TO REAR
DEFOGGERRELAY
(For E F I system1 ode
TO TIME CONTROL
TO INST H
L H
TO ENGINE ROOM H
TO KEY SW UNIT
TO ENGINE ROOM H L H
(HEADLAMP MOTOR) (CHIME]
TO LIGHT SW
TO LIGHT SW IUPHOLD RELAY)
TO STEP LAMP TO DOOR SW R H
TO TIME
CONTROL UNIT
[For headlemp system & time control system)
Itode @
TO BACK DOOR ,LOCK SW
TO DOOR SW L H
TO DOOR SW R H
TO DOOR H LH
TO DOOR H
RH
TO VOICE WARNING UNIT AN0
TllEFT WARNING COhTROL UNIT
TO THEFT
WARNING
rCONTROL UNIT
TO BACK
DOOR SW
TO
DOOR SWRH
TO INST H R H (DOOR WARN-
ING LAMP)
TO TIME CONTROL UNIT
(Far voice warning system & theft warning system)
(Far theft warning system & tlme control system)
Turbocharger models
Nan turbocharger models
2+2 seater
2 seater
Door muror defogger swtch
A/T indicator lamp
RcmGlc
con1;a: miiiDi 8...itCh
0 D switch (AIT models)
Headlamp
cleaner switch
Shock absorber switch (Turbocharger models)
Body ground
Diode Diode
(Sf modcls)
Diode (GL and GLL models)
Diode (2+2 seater)
Theft warning control unit Seat belt switch R H (GLL models)
0, Sensor control amp (GLL models)
Parking brake switch
Radio amphfier
(GLL models)
Seal
bell switch L H (SF models) Seat belt switch L H (GL models) lo power seat harness (GLL models)
Body ground
(GLL models)
Didoe
(GL and GLL models)
Body ground (GLL models)
Body ground
(GLL models)
I

0 To @I (White) 0 Diode (Voice warnmg system equipped
0 To @ (Blue) (GLL models) models except CLL models) 0 To @ Wile) 0 Speakcr R H (CLL models) 0 Jomt (POI 0, sensor warning lamp) 0 Glove box lamp switch @O Glove box lamp @ Hold relay (Canada models)
0 @9 To (Black) @9 . To 0 (White)
To @ (Blue) (GLL models)
Speak; L H (GLL models)
IUumlnation control switch
Instrument swtch
L H
Instrument swtch L H
Combination meter (Black)
Combination meter (While)
Combination meter (White)
Combination meter White)
Combination meter (White)
Combination meter (Blue)
Combmation meter (Black)
Chune Instiument switch
R H
Instrument switch R H
Needle type meter
Digital type meter
& Combmation gauge (CLL models)
@ Combmalion gauge (SF and CL models)
TO COMBINATION
METER (BRAKE WARNING LAMPI
TO ENGINE ROOM H (BRAKE FLUID LEVEL SWI
6 TO MAIN H IPARKING
BRAKE SW AND VOICE
WARNING UNIT1
[For voice warnmg system1