Toyota Celica Supra 1986 Service And Repair Manual page 568

BE-20
BODY ELECTRICAL SYSTEM - Lighting
OFF
t
ON
Outside Handle Switch
INSPECTION OF OUTSIDE HANDLE SWITCH
INSPECT SWITCH CONTINUITY
{a) Che<:k that there is continu ity between terminals I
and 2 when the switch is on.
{b) Check that t here is no continuity between terminals
1 and 2 when the switch is off.
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1 f continuity is not as specified. replace the switch.