Previa Van RWD L4-148.8 2438cc 2.4L DOHC SC (2TZ-FZE) (1996)
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Idle-Up Valve: Testing and Inspection
INSPECTION
1. Remove idle-up valve.
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Disconnect the following connector and hoses:
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(1) Idle-up valve connector.
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(2) Air hose (from air cleaner hose) from port E of idle-up valve.
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(3) Air hose (from air connector vent pipe) from port F of idle-up valve.
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Remove the bolt and idle-up valve.
2. Inspect idle-up valve.
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Inspect idle-up valve for open circuit.
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Using an ohmmeter check that there is continuity between the terminals.
Resistance: 30 - 34 ohms at 20°C (68°F)
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If there is no continuity replace the idle-up valve.
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Inspect idle-up valve for ground.