2009 Toyota Camry HybridFACTORY OEM SERVICE PROCEDURE

Inspection Procedure

  1. CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC P0604) 
    1. Connect Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the tester on.
    4. Clear the DTC.
    5. Turn the power switch off.
    6. Disconnect the battery negative terminal and wait for 1 minute.
    7. Connect the battery negative terminal.
    8. Turn the power switch on (IG).
    9. Enter the following menus: Powertrain / Engine / Trouble Code.
    10. Read the DTCs.

    Result 

    RESULT CHART

    Display (DTC output) Proceed to
    P0604 A
    No output DTC B

    B: CHECK FOR INTERMITTENT PROBLEMS 

    A: REPLACE HYBRID VEHICLE CONTROL ECU 

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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