Toyota Celica Supra 1986 Service And Repair Manual page 565

BODY EL
4
LL
@
Ida
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-
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e
..
....
8
rn
.. . .
No continuity Continuity
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0
2 1
0
ECTRICAL SYSTEM - Lighting
BE·17
(b) Connect the negative(-) lead to the terminalS.
Check that the test bulb does not light.
If operation is not as specified, replace the relay.
Fog Light Switch
INSPECTION OF FOG LIGHT SWITCH
INSPECT SWITCH CONTINUITY
Inspect the switch continuity between terminals.
s~•'
3
WltC:
1
position
ON
"
.A
OFF
If continuity is not as specified, replace the switch .
Fog Light Relay
INSPECTION OF FOG LIGHT RELAY
1. INSPECT RELAY CONTINU ITY
(a) Check that there is continuity between terminals 1
and 3.
(b) Check that there is no continuity between terminals 2
and 4.
L - ----------.!!•""'='
If continuity is not as specified, replace the relay.
2. INSPECT RELAY OPERATION
(a) Apply battery voltage across terminals 2 and 4.
(b) Check that there is continuity between terminals 1
and 3.
If operation is not as specified, replace the relay.
Light Control Rheostat (Analog Type)
INSPECTION OF LIGHT CONTROL RHEOSTAT
INSPECT RHEOSTAT OPERATION
(a) Gradually change the brightness of rheostat from
maximum to minimum. c heck that the resistance
be-
tween terminals increases from 0
n
to 10
n.