Canister Purge Solenoid: Testing and Inspection
PURGE SOLENOID VALVE INSPECTIONAirflow 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.
2. Inspect the following wiring harnesses for open or short circuit (continuity check).
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 2C
- 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