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Home >> Toyota >> 2003 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 104 (Engine Control System Self Diagnostics) >> Diagnostic Tests >> DTC P1455: Fuel Tank Leak Detected >> Diagnosis & Repair
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Diagnosis & Repair

WARNING: This page is about a different car, the 2003 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Using Toyota hand-held tester or scan tool, read FREEZE FRAME data. Freeze frame data records engine conditions when malfunction is detected.
  1. Check for any other DTCs. If only DTC P1455 exists, go to next step. If other DTCs exists, diagnose and repair those DTCs first and then retest.
  2. Remove fuel tank. For removal and installation of components, see REMOVAL & INSTALLATION - 4-CYLINDER article. Turn fuel tank upside down and check that fuel does not come out of fuel tank from any other areas than the main fuel hose.
  3. If fuel does not come out of fuel tank in any other areas than the main fuel, replace ECM. ECM is located behind glove box. See Figure. If fuel comes out of fuel tank in any other areas than the main fuel hose, replace fuel tank. It may be necessary to check and replace charcoal canister and hoses to intake manifold. Charcoal canister is located near fuel tank. See Figure.
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