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Component Testing

CAUTION: Refer to SIR Caution .
  1. Ignition OFF, disconnect the harness connector at the MUTE switch.
  2. Test for infinite resistance between the ignition 1 terminal and the voice signal terminal with the switch in the open position.
    • If not the specified value, replace the switch.
  3. Test for less than 1.5 ohms of resistance between the voltage terminal and the voice signal terminal with the switch closed.
    • If greater than specified, replace faulty switch.
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