Avalon XLS V6-3.0L (1MZ-FE) (1998)
c. Connect the connectors to the amplifier and inspect the wire harness side connector from the back side, as shown in the chart.
Test condition:
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Running engine at idle speed
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If the circuit is as specified, try to replace the amplifier with a new one.
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If the circuit is not as specified, inspect the circuits connected to other parts.