1984 NISSAN 300ZX ignition

m n
0 b
- Reset by unlocking
power door lock
(Operation
chin step @
0 Doorunlock
Ready phase (Driver or awst ridel
Disconnect main harness
Check power door lock
system Operation.
0 Check continuing between @-@(switch-
sidel or@- @lactuator
sidel when unlocking
power door lock
(Check
at main harness
side
I
4t least one
f them)
(Both of theml
- Reset by opening door
(Operation chart step @
At least one of door
IDriver. assrst side. back
door
or hoodl
connector at sub control AMP
r
(Driver. essisl ride. back
door or hoodl
. Check continuity (All of theml
between @ - @ @ @,
@!.@or@ @when
opening any door
(Check at main harness
Reset cannot be performed
- Reset by ignition switch
(Operation chart step @
Ignition switch ACC,
Ready or armed phase
connector at subcontrol AMP
cable to see If ignition
match IS not OFF Cheek voltage BC~OIE
0- @(12Vl (Check at
main harness side I
1
n
v) rn - Reset by unlockan9 key
cylinder with key
(Operation chart step @
Unlocking key
Ready. armed or alarm
cylinder with key
I
Disconnect main harness
I connector at sub-control AMP
+
Check door unlock switch
operattlo"
(Drover, BIIISI ride or back
door1
Check continuity
between@- @or @.@when unlocking
key cylinder with key
(Check at main harness
ride I
YES (At least one
of them1
Malfunctioningdoar
Faulty door unlock
Faulty harness ground
n 0 Faulty door lock
unlock switch
switch circuit

9 8
I I
1
door lock system
Faulty door switch Faulty door switch circuit
Fwlty door switch ground Faulty harness ground
Faulty door alignment
Faulty ignition swltch U Faulty ignition circuit
I
Ready & armed
phase
Alarm phase
Faulty sub-control AMP
Faulty main control AMP U Faulty adapter harness
I
I v
Refer to Trouble-
shootins
"Starter motor cannot
operate
- Except alarm
(Operation chart step
T)i)0@landm)
phase"

m n
i?. Q, ~
ST-@
I Trouble
condition Trouble-
shooting
Starter motor cen operate
-Alarm phese
(Operation chan step 01
Ignition switch ST
Alarm phase
No I
Starter motor annot owrate
-Exapt alarm phase
Ignition swttch ST
RW cennot ba performed RES
ower source
terminal
inspction
H
H
H
*11 When door IS closed-Dirarmed phase and reset phase *12 When door is opened or ready phase '13 After closing Ea locking door, Walt over 40 seconds and then measure '14 When door IS opened '15 When power door lock system unlocks
*16 Ignition switch ACC, ON or ST
Ground
terminal
inspection Output terminal
inspection
q
0 000
Input terminal inswctton
-
0 - H
e11
L '12 -
H
'13
-
L
'14 -
H '15 *16
Result
OK
(All of
them)
NG
(At
least one of them)

BODY END AND DOOR
Theft Warning System (Cont'd)
@ terminal 8wection 0 terminal inspection
Connect tester between0and @
@ terminal
Dmgrees with
Dmgreer with trouble
Check voltage Ignition switch OFF
Ignition switch ACC or ON H
Agrees wnh trouble diagnosis chart
@ termma1 inspection
Connect tester betwen @and@
Disagrees with
trouble
diagnosis chart
Cheek voltage
Unlock, Neutral L
Lock
iapprox 0 1 second at the < moment of key cylinder operation1 H
~greer wnh trouble
I diagnosis chart I
Connect tester between aand @
Gl terminal 0
Disagrees with
trouble
Door IS closed-Disarmed
phase 01 iesn phase H Door IS opened, key
cylinder
IS drawn out, or
Agrees with trouble
Connect tester between @ and @
@ terminal
I
Voltage H
I
&
I
&
& di~gnoris chart I
BF-48

t IGNITION SWITCH I ON or START
IGNITION RELAY 35M
Big;
(For power window and
CIRCUIT
BREAKER
power seat)
To engine room harness L (Ground1
!
t B
,,-CIRCUIT BREAKER
M [ I
r CIRCUIT BREAKER SEAT SWITCH ~~ (Seat Ilfter. sllde. reclining and
thigh support1
Seat cushion ground
- CIRCUIT BREAKER
in harness
LD m ll W (D W m
SEAT BACK SWITCH
RTR AIR PUMP MOTOR
Seat cushion ground
IRiI
CIRCUIT BREAKER Seat curhian ground -

SEAT BELT
Refer to MA section for installation of seat belts.
GLL model has been equipped with seat belts with tension reducer This unit reduces the force required
to pull out seat belt while in use, and lessens pressure on the shoulder and hips for greater comfort
TENSION REDUCER WIRING DIAGRAM
IGNITION SWITCH I ON or ST
TENSION REDUCER-Assist
FUSE BLOCK
@
U
SEAT BELT SWITCH-Assist Iinrjde retractor1 (Main harness1
TENSION REDUCER-Driver (Inside retractor)
SEAT BELT SWITCH-Drwer IM~I~ IPower
harness1 To rime control unit (Seat belt warning lamp1
To engine room harness (Ground)
__ seat cushion ground
TENSION REDUCE OPERATION
SBF439B
Fully Seat belt stroke Fully retraned pulled out SBFMOE