VARIABLE TUMBLE SOLENOID VALVE INSPECTION[LF, L3]
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1. Remove the variable tumble solenoid valve. (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION[LF, L3].)
2. Inspect airflow between the ports under the following conditions.
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LF
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L3
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Circuit Open/Short Inspection
1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION[LF, L3].)
2. Inspect the following wiring harness for open or short (continuity check).
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Open circuit
Short circuit