Toyota Celica Supra 1986 Service And Repair Manual page 647

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BODY ELECTRICAL SYSTEM - Theft Deterrent System
BE·99
Door Lock Switch
INSPECTION OF DOOR LOCK SWITCH
INSI'ECT SWITCH OPERATION
(a) Check that there is continuity between terminals with
the door closed.
(b) Check that there is no continuity between terminals
with the door opened.
If operation is not as specified, replace t he switch.
Back Door Courtesy Switch
INSPECTION OF BACK DOOR COURTESY SWrTCH
INSI'ECT SWITCH OPERATION
(a) Check that there is continuity between terminal and
body ground when the switch is free.
(b) Check that there is no continuity between terminal
and body ground when the switch pin is pushed.
' - - - - - - - - - ----''"" .. """' If operation is not as specified, replace the switch.
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2
Back Door Key Unlock Switch
INSPECTION OF BACK DOOR KEY UNLOCK
SWITCH
INSPECT SWITCH CONTINUITY
(a) Check that there is continuity between terminals 1
and 3 with the switch Is unlock position.
(b) Check that there is no continuity between terminals 1
and 3 with t he switch Is except unlock position.
If continuity is not as specified, replace the switch.
Diode (For LH Key Unlock Switch and
Taillight Control Relay)
INSPECTION OF DIODE
INSPECT DIODE CONTINUITY
Connect the test leads of the ohmmeter to terminals 1 and
2, and check for continuity. Next reverse the test leads
and check. again, for continuity.
If both of the
test results are same condition. replace the
diode.