PRESSURE REGULATOR CONTROL (PRC) SOLENOID VALVE INSPECTION [F2]

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Simulation Test

1.  Carry out the “Pressure Regulator Control (PRC) Inspection”. (See ENGINE CONTROL SYSTEM OPERATION INSPECTION [F2].)

•  If not as specified, perform the further inspection for the PRC solenoid valve.

Airflow Inspection

Note

•  Perform the following test only when directed.

1.  Disconnect the negative battery cable.

2.  Remove the PRC solenoid valve.

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

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•  If not as specified, replace the PRC solenoid valve.

•  If as specified but the “Simulation Test” is failed, inspect for the following:

―  Vacuum hose improper routing, kinks or leakage

Open Circuit

•  Ground circuit (PRC solenoid valve connector terminal B and PCM connector terminal 2T through common connector)

•  Power circuit (PRC solenoid valve connector terminal A and main relay connector terminal D through common connector)

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Short Circuit

•  PRC solenoid valve connector terminal B and PCM connector terminal 2T through common connector to GND

4.  Repair or replace faulty areas.

5.  Install the PRC solenoid valve.

6.  Reconnect the negative battery cable.