Toyota Celica Supra 1986 Service And Repair Manual page 648

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BE·100
BODY ELECTRICAL SYSTEM-
Theft Deterrent System
Diode (For RH Key Unlock Switch
and
Horn)
INSPECTION OF DIODE
INSPECT
DIODE CONTINUITY
(a)
Connect the test leads of the
ohmmeter
to terminals
1 and 2, and
check
for continuity. Next,
reverse tho
test leads
and
check,
again,
for
continuity.
I
L------------=="="
If both of
the
test
results
are same condition,
replace
the
diode.
......
(b) Connect
the
test leads
of
the ohmmeter to terminals
2 and 3, and check for
continuity.
Next,
reverse the
the
test
leads and
check, again,
for
continuity.
If both
of
the
test results
are same
condition,
replace
th\
diode.
1
Headlight Control Relay
(See
page
BE·14)
Taillight Control Relay
(See
page
BE·14)
Key Unlock Switch
(See
page
BE-67)
Theft Deterrent Horn
INSPECTION OF THEFT DETERRENT HORN
INSPECT
HORN OPERATION
Connect the positive
(+)
lead from the banery to
terminal
1.
Connect
the negative(-) lead to terminal
2.
Check that the horn
blows.
1
f
operation
is
not
as specified, replace
the horn .
Door Lock Solenoid
(See
page
BE-681

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