Repair Procedures: Inspection: Notes

Inspect the PTC operation with the confirmation logic below:

1. Entering
   1. Set the mode to FLOOR.
   2. Set the temperature to MAX HOT.
   3. Turn off the blower switch.
   4. Press the intake (recirculation) button 5 times or more.
2. Forced operation
   1. Non-A/C: The intake button indicator will blink with an interval of 0.5 second for 30 seconds.

      With A/C: The intake and A/C button indicator will blink with an interval of 0.5 second for 30 seconds.

   2. The PTC2 and PTC3 will operate by turning on the blower switch.
      • PTC2 and PTC3 will operate with an interval of 3 seconds.
      • PTC2 and PTC3 will turn off simultaneously when the blower switch is turned off.
      • Only PTC2 and PTC3 will be operated by force.
3. Cancellation
   1. Select A/C or intake (recirculation) switch.
   2. The test cancels automatically after 30 seconds.
   3. Turn the ignition switch off.