Service Manual - Page 145

For 1987 300ZX.

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STEERING WHEEL SWITCH SYSTEM
Steering Wheel Switch Check
1.
Disconnect harness connector for slip ring
at
the back
of
Combination switch
2
Remove steering wheel
3
Remove steering wheel rear cover
4 Disconnect harness connector between steering
wheel switch and transmitter
5
Remove steering wheel switches
A S.C.D. SWITCH CHECK
Check continuity while pressing each switch
Below
300Q
.
O.K.
SEL666E
AUDIO
SWITCH CHECK
Check continuity while pressing each switch
Below
300Q
...
O.K.
SEL667E
VOLUME CHECK
Measure resistance between terminals
@
and
@
while operating the volume
SEL668E
EL-
1
45
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