On-Vehicle Inspection [09/2014 - ]: Procedure

HINT: 

Perform "Inspection After Repair" after repairing vacuum leaks in the intake system.

Refer to INITIALIZATION [09/2014 - ]

1. Check that there are no vacuum leaks at the points shown in the illustration.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Perform "Inspection After Repair" after repairing vacuum leaks in the intake system.

   Refer to INITIALIZATION [09/2014 - ]

1. Disconnect the vacuum hose.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Confirm that the intake air control valve closes smoothly under vacuum and opens smoothly when the vacuum is released.

   If the intake air control valve does not close or open smoothly, replace the air cleaner assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Vacuum applied
   *b	Vacuum released
   *c	Valve

3. Connect the vacuum hose.

1. Disconnect the No. 1 vacuum switching valve assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Disconnect the 2 vacuum hoses from the No. 1 vacuum switching valve assembly.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   1 - 2	20°C (68°F)	37 to 44 Ω
   1 - Body ground	Always	10 kΩ or higher
   2 - Body ground	Always	10 kΩ or higher

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Body Ground

   If the result is not as specified, replace the air cleaner assembly.

4. Check the operation of the No. 1 vacuum switching valve assembly.
   1. When vacuum is applied to the port (E), check that air is sucked into the filter.

      If air is not sucked into the filter, replace the air cleaner assembly.

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      *a	Filter
      *b	Port (E)
      *c	Air

   2. Apply battery voltage across the terminals. When vacuum is applied to the port (F), check that air is sucked into the port (E).

      If air is not sucked into the port (F), replace the air cleaner assembly.

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      *a	Port (E)
      *b	Port (F)
      *c	Air