Check Mode Procedure

WARNING: This page is about a different car, the 2007 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

LIST OF OPERATION METHODS
By operating each of the A/C control switches as shown in the diagram below, it is possible to enter the diagnostic check mode.

Fig 1: A/C Control Switches Operation Diagram
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INDICATOR CHECK
1. Turn the power switch OFF.
2. While pressing both the AUTO and R/F (Recirculation/ Fresh) switches on the steering switch, turn the power switch from OFF to ON (READY).
  
  Fig 2: Identifying AUTO And R/F (Recirculation/Fresh) Switch
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3. The indicator check is automatically performed when activating panel diagnosis. Check that all indicators and setting displays come on and go off 4 times at 1 second intervals.
  Check that the buzzer sounds when the indicators come on.
  
  HINT:
  
  The sensor check is automatically started when the indicator check is completed.
4. Push the "TEMP DOWN (-)" switch to finish panel diagnosis.
  
  Fig 3: Identifying Blinking Pattern
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