air condition NISSAN 300ZX 1984 Z31 Front Suspension Workshop Manual

ADJUSTABLE SHOCK ABSORBER
Trouble Diagnoses
Possible cause
D Lamp burnt out
B Fuse blown
B Harness wire broken
Checking procedure
(1 I Operate switch and
check lamp for lighting
condition
(2) Check fuse
(31 Check power and
grounding harnesses for
broken wires ~~~~~~
Switch
side harness
shorted
Switch out of order
D Switch side harness
B Switch out of order
B Controller out of
shorted
order
Operate switch and check
lamp for proper lighting con-
dition
Operate switch, check lamp
for proper lighting condition
D Harness wire broken
(Selected signal
wire broken)
Operate switch while lamp is
going on and off
Do this with key on.
Corrective action
I Checking method 'henomenoi
on switch
3 lamps
all off
2 lamps off
Result
One lamp on
Replace burnt out
lamp
3 lamps all off (1) Replace fuse
(2) Replace 3 lamps
(3) Repair harness ~~
Repair
harness One lamp on
2 lamps always on (1) Replace switch
(2) Replace harness
(1 I Replace harness
(2) Replace switch
(31 Replace controller
3 lamps
311 on
One lamp off
3 lamps on
One lamp 01
and 2 lamps
on and
off
Selected On
Other On and
Off Repair harness
B Motor harness
wire broken, or
shorted
(1) Connect dummy actua-
tors (motors) in 4 places,
and operate switches (for
F, N, S),check lampsfor
proper lighting condition
(2) Check dummy actuators
for normal operation in
4 places (Front-Right,
Front-Left, Rear-Right,
Rear-Left)
Selected On
2otherr
. On
and off
Repair harness
Any dummy
actuator not
operating ~ ~~
Connect
dummy actuators in
4 places, and operate switches
(for F,
N. S), check lamps for
proper lighting condition
Further, check
4 places for
any actuator operating longer
than
4 seconds
Selected ._ On
2 others . On
and off
Repair harness D Position switch
harness wire
broken or shorted
Any place where
any actuator
is
Dperating more
than the specified
time after lamp
starts to go on
and off
FA-I 9

ADJUSTABLE SHOCK ABSORBER
Trouble Diagnoses (Cont'd)
'henomenoi on switch
One lamp o
2 lamps on
rnd off
[continued)
Possible cause ~
Wire
broken or
shorted in motor
harness of shock
absorber
b Wire broken or
shorted in position
switch harness of
shock absorber
1 Motor completely
locked
1 Motor overloaded
(Temporary overload
Controller out of
order
Checking method
Checking procedure
(1 I Changing the connection
combinations
of the 3
dummy actuators, check
4 shock absorbers one by
one using the operation
described
in (2) below
(2) Turn switch to F, N, S
and check lamp for
proper lighting condition
Same as above
Same as above
(1) Turn key off to stop
the lamp from going
on
and off, then turn key
on again and check lamp
for proper lighting
condition
12) Check power voltage
:3)-1 Changing the connectior
combinations of the
4 actuators, check each
of the
4 shock absorbers
in one place described
in 131-2 below
13j-2 Turn switch to F, N, S,
and check lamp for
proper lighting condi-
tion.
Replace with normal control-
er, and operate switch, check
amp for proper lighting con-
jition
Result
Selected On
2others On
and
off
(When connected
to shock absorber
out of order)
Same as above
Same as above
Selected . On
2others
Off
Below 9 V
Selected On
2others On
and off
(when connected
to overloaded
shock absorber1
jelected On
Zothers
. On
3nd off
I Returned to
iormal state)
Corrective action
Replace shock
absorber
Same as above
Same as above
Normal
If it is frequent,
take action as
described in (3) below
Repair power system
(Charge battery)
Replace shock
absorber
Replace controller
FA-20

ADJUSTABLE SHOCK ABSORBER
Trouble Diagnoses (Cont'd)
'henomenon on switch
3 lamps on
and
off
Possible cause
Switch malfunction
Switch contact
out of order
Harness disconnected
Cherking method
Checking procedure
Turn key off to stop the lamp
from going on and off, then
turn key on again and check
lamp for proper lighting con-
dition
(1) Operate switch, check
lamp for proper lighting
condition
(2) Turn switch to original
position, and check lamp
for occurrence of on and
off condition
Turn key off to stop the lamp
from going on and off,
then turn key on again and
check lamp for propc-
lighting condition
Result
Selected On
2others
. Off
Selected - On
2 others .. Off
3lamps .On
and off
3 lamps On
and off
Corrective action
Replace switch
ReDlace switch
ReDair harness
FA-21