mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Pressure Regulator Control Inspection|Page 1870 > < Pressure Regulator Control Inspection
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5. Select the "PRCV" and verity that the PRC solenoid valve is OFF.
6. If the PRC solenoid valve is ON, check the following PIDs.

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ECT

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IAT

7. Select the SIMULATION TEST function on the NGS display.
8. Turn the PRC solenoid valve from OFF to ON using the "PRCV" and check if the operation sound of the valve is heard.

(1) If the operation sound is heard, check the following.

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Loose or damaged vacuum hose between the pressure regulator, PRC solenoid valve, and intake manifold.

(2) If the operation sound is not heard, check the following.

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PRC solenoid valve 

Pressure Regulator Control Inspection|Page 1870 > < Pressure Regulator Control Inspection