LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2007 >> Matrix Base, Automatic >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning >> Air Conditioning Control Assembly >> On-Vehicle Inspection

On-Vehicle Inspection

  1. INSPECT AIR CONDITIONING CONTROL ASSEMBLY 
    1. Inspect the defroster mode switch.
      1. Disconnect the connector from the defroster mode switch and inspect the wire harness side, as shown in the chart.

        Standard voltage 

        VOLTAGE CHART

        Tester Connection Condition Specified Condition
        3 - Body ground Always 10 to 14 V
        4 - Body ground Always Below 1 V
        6 - Body ground Ignition switch: ON 10 to 14 V
        10 - Body ground Ignition switch: ON 10 to 14 V
        Fig 1: Identifying Defroster Mode Switch Connector Terminals (Wire Harness Side)
        G05236309Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        If the circuit is as specified, try to replace the defroster mode switch with a one. If the circuit is not as specified, inspect the circuits connected to other parts.

      2. Connect the connector to the defroster mode switch and inspect the wire harness side connector from the back side, as shown in the chart.

        Standard voltage 

        VOLTAGE CHART

        Tester Connection Condition Specified Condition
        1 - Body ground Ignition switch: ON
        R/F switch: RECIRCULATION        		 Below 1.5 V
        7 - Body ground Ignition switch: ON 4.5 to 5.5 V
        8 - Body ground Ignition switch: ON
        R/F switch: FRESH        		 Below 1.5 V
        Fig 2: Identifying Defroster Mode Switch Connector Terminals (Back Side Of Connector)
        G05236310Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
scientia non olet · About LEMON Manuals