Operation CHARM: Car repair manuals for everyone.

Component Inspection

A/C Amplifier Inspection





1. Disassemble the heater control assembly.
2. Connect the NC amplifier connectors (26-pin, 22-pin, 20-pin) and information display connector.
3. Start the engine.
4. Measure the voltage at the terminals of the A/C amplifier connector and refer to the terminal voltage chart.
5. If not as specified, inspect the appropriate area.
6. If the appropriate area is correct, replace the A/C amplifier.


A/C Amplifier Terminal Voltage (Reference)