ACV Solenoid Valve (B2200): Signal
- Warm up engine and stop it. Connect connectors of water temperature switch with a jumper wire. Connect voltmeter between Y terminal of ACV solenoid valve and ground. See Fig 1 .
- Check voltmeter indicates 0 volts at approximately 1,500 RPM or higher. If not correct, check connector 2, terminal J (Yellow wire between control unit and ACV solenoid valve) of emission control unit.