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TIME
CONTROL
SYSTEM
Trouble-st
Seat belt warning lamp does not go off nor come on
4
I
Go
to "Power Supply Circuit Check"
Check harness for
T
C
U
power supply circuit
BELT WARNING CIRCUJT CHECK
1.
Unfasten
seat
belt
2.
Measure
voltage
across
@
and
@
when
ignition
switch
is
"ON".
check from harness side
Voltmeter needle keeps
winging
lapprox 0-1ZVI for abut7
seconds
after
ignition
witch
IS
turned
ON
Voltmeter
SEL7200
iny
(Cont'd)
Rear defogger does not
activate,
or does not go off
automatically
I
c
Go
to "Power Supply Circuit Check".
]OK
4
NG
I
Check harness for
T
C
U
power supply circuit
Check rear defogger circuit
1
OK
I
NG
Check rear defogger relay,
and harness between
T
C
U
and rear defogger relay
Check defogger switch circuit
4
NG
1
Check defogger switch.
and harness between
T
C
U
and defogger switch
REAR DEFOGGER CIRCUIT CHECK
1.
Turn
ignition
switch
to
"ON"
2.
Measure
voltage
across
@
and
@
while
operating
rear
defogger
switch.
Check from harness side
ignition switch
ON
Q4)
Voltmeter
Approx
12
V
when rear defogger witch
IS
OFF
0
V when rear defogger switch
1s
ON
SEL7220
DEFOGGER SWITCH CIRCUIT CHECK
Check from harness
ride
ignition witch OFF
0
On
when
rear
defogger switch
1s
ON
Except
On
when rear defogger switch
1s
OFF
Ohmmeter
SEL7230
EL-1
06
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