Landcruiser 4WD L6-4227cc 2F (1982)
Fig.45 - Vacuum Switch Test
For 1981 22R engine and 1982 Celica - Connect VSV terminals to battery terminals, Figs. 44 and 45, and blow into pipe to make sure VSV is
open. Disconnect positive battery terminal and blow into pipe to check that VSV is closed.
1982 Corona & Pickup
Fig.46 - Vacuum Switch Test
1. Connect VSV terminals to battery terminals, Fig. 46.
2. Blow air into a pipe to check that VSV is open.
3. Disconnect positive battery terminal and again blow air into pipe to check that VSV is closed.
4. Check that there is no continuity between positive terminal of VSV connector and valve body. If there is continuity, replace VSV.
5. Check resistance between positive terminal and other terminals of VSV connector. Resistance should be between 51 and 57 ohms at 68° F. If not,
replace VSV.
Speed Sensor
1. Check that speed sensor terminals at rear of speedometer are properly connected.
2. Raise and support rear axle so that only one rear wheel is off ground, release parking brake, and place shift lever in neutral.
3. Unplug wiring connector from computer.
Fig.50 - Testing Speed Sensor
1978 20R