general information - Martin Nez

FI SYSTEM DIAGNOSIS 4-77Step 1 (When indicating P0230-H:)1) Turn the ignition switch to OFF.2) Remove the seat tail cover. (8-4)3) Check the FP relay coupler for loose or poor contacts.If OK, then check the FP relay. (5-6)1Is the FP relay OK?1YESNO• Y/R wire shorted to power source• Y/B wire shorted to ground• 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.Replace the FP relay with a new one.ECM couplers (Harness side)4) After repairing the trouble, clear the DTC using SDS tool.(4-26)Step 1 (When indicating P0230-L:)1) Turn the ignition switch to OFF.2) Remove the seat tail cover. (8-4)3) Check the FP relay coupler for loose or poor contacts.If OK, then check the FP relay. (5-6)1Is the FP relay OK?1YESNO• Y/B wire open or poor ] connection• O/W wire open or shorted to ground• R/BI or Y/R wire open or shorted to ground orpoor W connection• 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.Replace the FP relay with a new one.ECM couplers (Harness side)4) After repairing the trouble, clear the DTC using SDS tool.(4-26)