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8M • 2
WARNING BUZZER/CHIME MODULE
SEAT BELT BUCKLE SWITCH TEST (Fig. 3)
I f buzzer checks out okay, check w i r i n g from t e r m i -
n a l n u m b e r 5 to t h e seat belt switch and the w i r e
f r o m t h e seat belt switch t o t e r m i n a l number 2
(ground). I f they check out okay, replace t h e seat belt
buckle a n d switch assembly.
(SHOWN BUCKLED)
}
SEAT
BELT
SWITCH
B +
5
6
CZ3
CZD
CZ3
C Z J
CZ3
C Z J
C D
C D
4
3
ex
2
D
1
IGN. SWITCH
#
(SHOWN IGN. /
OFF)
|
KEY-IN
SWITCH
1
SEATBELT
WARNING LAMP
/SHOWN
KEY
REMOVED)
HEADLAMP
ON
SWITCH
(SHOWN
LIGHTS
OFF)
DOOR SWITCH
(SHOWN DOOR
^ C L O S E D )
J908M-9
Fig. 3 Warning Buzzer System Schematic
BUZZER O N FOR
4-8 SECONDS WHEN
SEAT BELT
IS BUCKLED
NO BUZZER
BUT SEAT BELT
WARNING
LAMP IS ON
BUZZER O N BUT
NO WARNING
LAMP
NO BUZZER OR
WARNING L A M P
BUZZER A N D
W A R N I N G LAMP
O N ALL THE
TIME
S H O R T C I R C U I T B E T W E E N
T E R M I N A L N U M B E R 5
O F B U Z Z E R M O D U L E
A N D
G R O U N D
O P E N C I R C U I T B E T W E E N
T E R M I N A L 5 O F B U Z Z E R
M O D U L E A N D G R O U N D
W I T H S E A T BELT
U N B U C K L E D
C H E C K R E S I S T A N C E B E T W E E N
T E R M I N A L 3 O F B U Z Z E R
M O D U L E A N D G R O U N D .
S H O U L D B E A L M O S T Z E R O
O H M S (BULB F I L A M E N T
R E S I S T A N C E ) .
I G N I T I O N O N ,
V O L T A G E A T T E R M I N A L 4
O F B U Z Z E R M O D U L E
C I R C U I T B E T W E E N
T E R M I N A L 2
O F B U Z Z E R M O D U L E
A N D G R O U N D O P E N
S H O U L D B E Z E R O O H M S
D E F E C T I V E
B U C K L E
S W I T C H
S E A T BELT B U C K L E
S W I T C H D E F E C T I V E ( O P E N )
B U L B B U R N E D O U T
D E F E C T I V E F U S E
O R O P E N C I R C U I T
B U Z Z E R M O D U L E
B U Z Z E R M O D U L E
O P E N C I R C U I T B E T W E E N
T E R M I N A L 5 A N D
S E A T BELT B U C K L E
S W I T C H
W A R N I N G L A M P
W I R I N G
B U Z Z E R M O D U L E
B U Z Z E R M O D U L E
B U Z Z E R M O D U L E
J908M-4
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