Tercel (Calif.)

Apply 3.5 in Hg to port "S". Close port "R" and "Y" and blow air into port "T". Check that air comes out ports "U", "V", "Z", and "W". Release vacuum. Again blow into port "T" with "R" and "Y" closed. Air should not flow. See Fig 1.

Fig 1: Tercel Vacuum Control Valve Test

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California models only.