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Canister Purge Solenoid: Testing and Inspection

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.







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 PCM REMOVAL/INSTALLATION.)
2. Inspect the following wiring harnesses for open or short circuit (continuity check).




California emission regulation applicable ATX model




Except for California emission regulation applicable ATX model

Open circuit

- If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
- Purge solenoid valve terminal A and PCM terminal 85*1, 4U*2
- Purge solenoid valve terminal B and main relay terminal C

Short circuit.

- If there is continuity, there is a short circuit. Repair or replace the wiring harness.
- Purge solenoid valve terminal A and body GND
- Purge solenoid valve terminal B and power supply

1* : California emission regulation applicable ATX model
2* : Except for California emission regulation applicable ATX model