Mazda 6 Service Manual: Purge solenoid valve inspection
Airflow Inspection
Note
- Perform the following test only when directed.
1. Disconnect the negative battery cable.
2. Remove the purge solenoid valve. (See PURGE SOLENOID VALVE REMOVAL/INSTALLATION.)
3. Inspect airflow between the ports under the following conditions.
- If not as specified, replace the purge solenoid valve.
- If as specified, carry out the Circuit Open/Short Inspection.
Circuit Open/Short Inspection
1. Disconnect the PCM connector. (See F43 PCM REMOVAL/INSTALLATION.)
2. Inspect the following wiring harness for open or short (continuity check).
Open circuit
- If there is no continuity, the circuit is open. Repair or replace the harness.
- Purge solenoid valve terminal A (harness-side) and PCM terminal 4U
- Purge solenoid valve terminal B (harness-side) and main relay terminal C (harness-side)
Short circuit
- If there is continuity, the circuit is shorted. Repair or replace the harness.
- Purge solenoid valve terminal A (harness-side) and body GND
- Purge solenoid valve terminal B (harness-side) and power supply
Purge solenoid valve removal/installation
1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
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Egr valve removal/installation
1. Disconnect the negative battery cable.
2. Disconnect the EGR valve connector.
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
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