Toyota Cressida and Van 1983-1990

Idle-Up and High Temperature A/C Line Pressure Up System

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TESTING





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Fig. Fig. 1 Idle-up system wiring schematic-Van



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Fig. Fig. 2 Place the idle-up temperature switch into a canister of water and test the continuity with a ohmmeter



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Fig. Fig. 3 Check the VSV system for an open circuit as shown-Van



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Fig. Fig. 4 Using an ohmmeter, make sure there is no continuity between each terminal and the body of the VSV



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