Scion Workshop Service and Repair Manuals > tC L4-2.4L (2AZ-FE) (2005) > Starting and Charging | Power and Ground Distribution | Relays and Modules - Power and Ground Distribution | Relay Box | Component Information | Diagrams | Diagram Information and Instructions

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2. Disconnect the ECU connector. Check the ground terminals (on the ECU side and wire harness side) for evidence of bending, corrosion or

foreign material. Lastly, check the contact pressure of the female terminals.

Scion Workshop Service and Repair Manuals