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 an 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 B and PCM terminal 4T
- Purge solenoid valve terminal A 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 B and body Ground
- Purge solenoid valve terminal A and power supply