EGR CONTROL SOLENOID VALVE INSPECTION [WL-3]
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1. Inspect airflow between the ports under the following conditions.
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• If not as specified, replace the EGR control solenoid valve.
• If as specified, carry out the “Circuit Open/Short Inspection.”
Circuit Open/Short Inspection
1. Inspect for an open or short circuit in the following wiring harnesses.
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• If there is an open or short circuit, repair or replace wiring harnesses.
Open circuit
• Power circuit (EGR control solenoid valve terminal A and main relay terminal D)
• Ground circuit (EGR control solenoid valve terminal B and PCM terminal 4I)
Short circuit
• EGR control solenoid valve terminal A and main relay terminal D to ground
