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A/C Amplifier Power System Inspection

A/C Amplifier Power System Inspection

If the self-diagnostic function does not operate, the following causes are possible.
1. Power is not being supplied to the A/C amplifier.
2. The A/C amplifier is defective.

B+: Battery positive voltage:

Action
1. Turn the ignition switch ON.

2. Measure the voltage at the following terminal wires of the A/C amplifier connector.
3. If all terminal voltages are OK, replace the A/C amplifier.