WASTEGATE CONTROL SOLENOID VALVE INSPECTION [L3 Turbo]

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1.  Remove the wastegate control solenoid valve. (SeeINTAKE-AIR SYSTEM REMOVAL/INSTALLATION [L3 Turbo].)

2.  Inspect the airflow between the ports under the following conditions.

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•  If not as specified, replace the wastegate control solenoid valve.

•  If as specified, carry out the “Circuit Open/Short Inspection”.

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Circuit Open/Short Inspection

1.  Disconnect the PCM connector. (SeePCM REMOVAL/INSTALLATION [L3 Turbo].)

2.  Inspect the following wiring harness for an open or short circuit (continuity check).

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Open circuit

•  If there is no continuity, there is an open circuit. Repair or replace the wiring harness.

―  Wastegate control solenoid valve terminal B and PCM terminal 2AA

―  Wastegate control solenoid valve terminal A and main relay terminal E

Short circuit

•  If there is continuity, there is a short circuit. Repair or replace the wiring harness.

―  Wastegate control solenoid valve terminal A and body ground

―  Wastegate control solenoid valve terminal B and power supply

―  Wastegate control solenoid valve terminal B and body ground