Service Manual - Page 174

For 1987 300ZX.

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THEFT
WARNING
SYSTEM
Control
Unit
Check (Cont'd)
Check
@
.
Ground
circuit
check
Check for continuity between terminals
sub-control
unit
@
and body
Faulty ground circuit
OK
sub-control unit
@
adapter harness (Refer to
OK
"Adapter harness check"
)
2
Replace main control unit
Check
@
..
Door
unlock
signal
check
(
Measure voltage across terminals
@
and
@
L
4
OK
NG
+@
Replace sub-control unit or
adapter harness (Refer to
"Adapter harness check"
1
9
Replace main control unit
(Check
from
harness
ride)
Continuity
exists
0
K
-
SEL550F
I
ql
:P,"
:
!
:
i
:
!
i
:
ja
(Check
from
harness
ridel
I
(Check
from
harness
ridel
M-'
Continuity
exists
0
K
SEL551F
rq
or?*:
I
I
I
,
I
.
.
'
'
1
At
leastonedoor
linclvdine
hood,
back
door)
is
SELJllF
EL-I
74
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