Inspection [10/2022 - ]: Procedure

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition	Result
   1 - 2	20°C (68°F)	23 to 26 Ω	Ω

   If the result is not as specified, replace the purge valve (No. 1 vacuum switching valve assembly).

2. Apply battery voltage between the terminals of the purge valve (No. 1 vacuum switching valve assembly) and check that the following occurs when blowing air into the port (E).

   OK

   Measurement Condition	Specified Condition
   Battery voltage applied between terminals 1 and 2	Air flows from port (F)
   Battery voltage not applied between terminals 1 and 2	Air does not flow

   If the result is not as specified, replace the purge valve (No. 1 vacuum switching valve assembly).

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Port (E)
   *b	Port (F)
   *c	Air
   *d	Component without harness connected (purge valve (No. 1 vacuum switching valve assembly))

Pre-procedure1

• Install a clean hose to the No. 1 check valve.

• Check the operation of the No. 1 check valve.
  1. Blow air into the purge valve (No. 1 vacuum switching valve assembly) side and check that air passes through easily.

     Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

     *a	Purge Valve (No. 1 Vacuum Switching Valve Assembly)) Side
     *b	Air

     If the result is not as specified, replace the No. 1 check valve.

     WARNING:

     Do not suck air through the No. 1 check valve.

     Petroleum substances inside the No. 1 check valve are hazardous to your health.

  2. Blow air into the intake manifold side and check that air passes through with difficulty.

     Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

     *a	Intake Manifold Side
     *b	Air

     If the result is not as specified, replace the No. 1 check valve.

Post-procedure1

• None