Subaru XT 1988 Service Manual page 1354

6-3
WIRING DIAGRAM AND TROUBLESHOOTING
Shoulder belt buckle switch is closed.
Check if tongue is inserted into shoulder belt
No
buckle.
J
I Insert.
I
Yes
Close the door.
Check if shoulder belt buckle pushes its
No
1
Shoulder belt buckle is faulty.
I
switch at anchor latch.
Yes
Check if shoulder belt buckle switch
No
: Shoulder belt buckle switch is faulty.
I
connector terminals are open.
Yes
Check if circuit between body connector
No
: Wiring is shorted.
I
terminal of control unit and ground terminal
is open.
Yes
1
Control unit is faulty. I
Shoulder belt buckle switch is open.
Open the door.
Check if shoulder belt buckle switch
No
connector terminals are open.
: Shoulder belt buckle switch is faulty. I
Yes
Check if there is continuity between body
No
: Wiring is broken.
I
connector terminal of control unit and
ground terminal.
Yes
: Control unit is faulty. I
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