PURGE SOLENOID VALVE INSPECTION[AJ (3.0L Duratec)]

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Resistance Inspection

1.  Disconnect the negative battery cable.

2.  Disconnect purge solenoid valve connectors.

3.  Measure the resistance between purge solenoid valve terminals.

•  If it is not within the specification, replace the purge solenoid valve.

•  If the monitor item condition/specification (reference) is not within the specification, even though there is no malfunction, perform the 'Circuit Open/Short Inspection'.

Circuit Open/Short Inspection

1.  Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION[AJ (3.0L Duratec)].)

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

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Open circuit

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

―  Purge solenoid valve terminal A and main relay terminal B

―  Purge solenoid valve terminal B and PCM terminal 56

Short circuit

•  If there is continuity, the circuit is shorted. Repair or replace the harness.

―  Purge solenoid valve terminal A and body ground

―  Purge solenoid valve terminal B and power supply