Toyota 25860-46010
Vacuum Switch

The repair of Canister Purge Valve requires disconnecting the negative cable from the battery terminal and waiting 90 seconds to avoid activating the Air Bags and seat belt pretensioners. The servicing of the Canister Purge Valve begins by removing the V-bank cover sub-assembly followed by disconnecting the purge VSV connector and the two hoses before extracting the purge VSV through the intake manifold bolt. Installation procedure includes securing the purge VSV with the bolt before connecting the two hoses and attaching the purge VSV connector. The technician should now reinstall the V-bank cover sub-assembly and reconnect the cable to the negative battery terminal. After disconnection and reconnection of the negative battery cable you need to conduct the initialization process due to system requirements.

Disconnect the fuel return hose and the fuel main hose, then drain the engine coolant.

Yes, perform initialization, as certain systems require this step after disconnecting and reconnecting the cable from the negative battery terminal.