general information - Martin Nez

4-44 FI SYSTEM DIAGNOSISStep 1 (When indicating P0120-L:)1) Turn the ignition switch to OFF.2) Lift and support the fuel tank. (5-3)3) Remove the air cleaner box and lift up the throttle body.(5-13)4) Check the TP sensor coupler for loose or poor contacts.If OK, then check the TP sensor lead wire continuity.15) Disconnect the TP sensor coupler.6) Check the continuity between P/B wire A and ground.7) Also, check the continuity between P/B wire A and B/Br wireC. If the sound is not heard from the tester, the circuit conditionis OK.1]8) Disconnect the ECM coupler.9) Check the continuity between P/B wire A and terminal 8.10) Also, check the continuity between Red wire B and terminalA. TPS lead wire continuity: Continuity () 09900-25008: Multi-circuit tester set09900-25009: Needle pointed probe set Tester knob indication: Continuity test ()1ECM couplers (Harness side)]Is the continuity OK?YES Go to Step 1 (4-42) and go to Step 2.NORed wire or P/B wire open, or P/B wire shorted toground11) After repairing the trouble, clear the DTC using SDS tool.(4-26)