A/C Amplifier

1. Disassemble the heater control component.
2. Connect the A/c amplifier connectors (26-pin, 22-pin, 20-pin) and information display connector.
3. Start engine.
4. Measure the voltage at each A/C amplifier terminal and refer to the terminal voltage list.
5. If not as specified, inspect the parts listed under "Inspection area".
6. If the parts are okay but the system still does not work properly, replace the A/C amplifier.






















Terminal Voltage List (Reference)




Figure 1




Figure 2




Figure 3




Figure 4




Figure 5