general information - Martin Nez

4-84 FI SYSTEM DIAGNOSISStep 21) Turn the ignition switch to ON.2) Measure the voltage between O/W wire and ground. PAIR valve voltage: Battery voltage(+ O/W – - Ground) 09900-25008: Multi-circuit tester set Tester knob indication: Voltage ()2VIs the voltage OK?2YESNO• W/G wire open or shorted to ground, or poor pconnection failure.• If wire and connection are OK, intermittent troubleor faulty ECM.• Recheck each terminal and wire harness foropen circuit and poor connection.• Replace the ECM with a known good one, andinspect it again.Open or short circuit in the O/W wire.ECM couplers (Harness side)3) After repairing the trouble, clear the DTC using SDS tool.(4-26)ACTIVE CONTROL INSPECTION1) Set up the SDS tool. (Refer to the SDS operation manual forfurther details.)2) Turn the ignition switch to ON.3) Click “PAIR Sol operating control” 1.4) Click each button 2.At this time, if an operation sound is heard from the PAIRcontrol solenoid valve, the function is normal.