Inspection Procedures
- CHECK DTC RELATING TO PCSV
- Connect a Hi-Scan (Pro) to the data link connector.
- Turn ignition switch to ON position and monitor any other DTCs.
Are any other DTCs also set?
No: Go to next
Yes: Do all repairs associated with those codes.
- CHECK FOR LEAKAGE ON HOSE TO PCSV
- Check hoses connected to PCSV for leakage.
Is any leakage found?
No: Go to next
Yes: Repair or replace it.
- CHECK PCSV FOR NORMAL OPERATION
- Turn ignition switch to OFF position and disconnect the hose leading from the PCSV to the intake manifold at PCSV.
- Apply a vacuum at the nipple and verify that the PCSV holds vacuum.
- Turn ignition switch to ON position and ground terminal 2 of the PCSV connector (should hear a faint click from PCSV).
- Vacuum should be released.
- Repeat this procedure 4 or 5 times to ensure PCSV reliability.
Is PCSV working properly?
Yes: Proceed with ECM PROBLEM PROCEDURE .
No: Replace it.