PCSV
Vacuum leakage inspection
1.

Disconnect PCSV vacuum hose and install vacuum gauge.

2.

Operate vacuum gauge and check leakage of vacuum.

■ Specification : Vacuum state maintains at operating vacuum gauge.

3.

Does vacuum gauge maintain vacuum value?

▶ Go to "PCSV actuation test" as below.

▶ Replace the PCSV.

PCSV actuation test
4.

Perform "canister purge valve" actuation test after engine warming up.

■ Specification : Vacuum state released by actuation test.

5.

Is vacuum state released by actuation test?

▶ Go to "Catalytic converter inspection" procedure.

▶ Go to "Vacuum leakage inspection" procedure.

▶ Check fuel leakage on the PCSV and PCSV open stuck.

▶ Replace the PCSV.

PCSV control duty waveform
Яндекс.Метрика