(a) Check that the LED illuminates.
(1) Apply auxiliary battery voltage to the multiplex network master switch assembly and check that the LED illuminates.
OK:
Auxiliary Battery Connection
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Specified Condition
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Auxiliary battery positive (+) → 3
Auxiliary battery negative (-) → 13
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LED illuminates
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If the result is not as specified, replace the multiplex network master switch assembly.
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*a
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Component without harness connected
(Multiplex Network Master Switch Assembly)
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