FI SYSTEM DIAGNOSIS 4-49 Step 1 (When indicating P0115-H:) 1 1) Turn the ignition switch OFF. 2) Lift and support the fuel tank. (5-3) 3) Check the ECT sensor coupler for loose or poor contacts. If OK, then check the ECT sensor lead wire continuity. 4) Disconnect the ECT sensor coupler and ECM coupler. 1 ! 5) Check the continuity between B/Bl wire A and terminal 0. 6) Also, check the continuity between B/Br wire B and terminal S. ECTS lead wire continuity: Continuity () 09900-25008: Multi-circuit tester set 09900-25009: Needle pointed probe set Tester knob indication: Continuity test () (Black) (Gray) ECM coupler (Harness side) Is the continuity OK? E YES Go to Step 2. NO B/Bl or B/Br wire open L 7) After repairing the trouble, clear the DTC using SDS tool. (4-27) P SAM