general information - Martin Nez

4-80 FI SYSTEM DIAGNOSIS6) Remove the seat (8-3) and disconnect the ECM coupler.7) Check the continuity between W/G wire A and terminal B.8) Also, check the continuity between B/Br wire B and terminal S. HO2S lead wire continuity: Continuity () 09900-25008: Multi-circuit tester set09900-25009: Needle pointed probe set Tester knob indication: Continuity test ()Is the continuity OK?1ECM couplers (Harness side)!YESNOGo to Step 2. (When indicating C44/P0130:)W/G wire shorted to ground, or W/G or B/Br wireopen.9) After repairing the trouble, clear the DTC using SDS tool.(4-26)Step 2 (When indicating C44/P0130:)1) Connect the ECM couplers and HO2 sensor coupler.2) Warm up the engine enough.3) Measure the HO2 sensor output voltage between W/G wireand B/Br wire, when idling condition. HO2 sensor output voltage at idle speed:0.4 V and less (+ W/G – - B/Br)2V4) If OK, then move the radiator forward (3-4) and pinch thePAIR hoses 1 with proper hose clamps.5) Measure the HO2 sensor output voltage while holding theengine speed at 5 000 r/min. HO2 sensor output voltage at 5 000 r/min:0.6 V and more (+ W/G – - B/Br) 09900-25008: Multi-circuit tester set09900-25009: Needle pointed probe set Tester knob indication: Voltage ()