Toyota Celica Supra 1986 Service And Repair Manual page 638

B E-90
BODY ELECTRICAL SYSTEM -Theft Deterrent System
~
A
I
INSPECTION OF SOURCE CIRCUIT
I
Turn ignition switch on.
I
;
'
No No
Is DOME fuse normal?
Replace fuse.
Short circuit in w ire harness
Is operation normal? between tuse and terminal 5
Yes
of computer.
Yes
J Fuse faulty
j
No
No
Short circuit in wire harness
Is CIG fuse normal?
Replace fuse.
Is operation normal?
between fuse and terminal 4
of computer.
Yes
Yes
jFuse faulty.j
BACK DOOR S!W
INSPECT GROUND CONNECTION
No
I
Body ground faulty.
I
Is there continuity between back door switch
body and body ground?
Yes
INSPECT BACK DOOR SWITCH OPERATION
No
Is there continuity between terminal 1 and
Inspect back door switch.
-
body ground with back door switch turned on?
Yes
BACK DOOR
KEY '(;,Cfl.
INSPECT GROUND CONNECTION
No
• Open circuit in wire harness between
Is there continuity between terminal 3 and
terminal 3 and body ground.
body ground?
• Body ground faulty.
Yes
CONTINUED ON NEXT PAGE
:'
r:
~
i
I