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FI SYSTEM DIAGNOSIS 4-85
Step 1 (When indicating P0230-L:)
1) Turn the ignition switch OFF.
2) Lift and support the fuel tank. (5-3)
3) Check the FP relay coupler for loose or poor contacts.
If OK, then check the FP relay. (5-7)
Is the FP relay OK?
4) After repairing the trouble, clear the DTC using SDS tool.
(4-27)
1
YES
• 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 or
poor W connection
• If wire and connection are OK, intermittent trou-
ble or faulty ECM.
• Recheck each terminal and wire harness for
open circuit and poor connection.
• Replace the ECM with a known good one, and
inspect it again.
NO Replace the FP relay with a new one.
ECM couplers (Harness side)
1
(Black) (Gray)