2005 Toyota PriusFACTORY OEM SERVICE PROCEDURE

Diagnostic Trouble Codes Check/Clear

  1. CHECK FOR DTCs 
    1. Prepare the hand-held tester.
    2. Connect the hand-held tester to the DLC3 at the lower part of the instrument panel.
    3. Turn the power switch on (IG) and turn the hand-held tester on.
    4. Use the hand-held tester to check for DTCs and the freeze frame data, and note or print the result (See the operator's manual for operating instructions).
    5. See DIAGNOSTIC TROUBLE CODE CHART  to confirm the details of the DTCs.
      Fig 1: Connecting Hand-Held Tester To DLC3
      G02620741Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. CLEAR DTCs 

    HINT:

    The following procedures clear the DTCs and freeze frame data.

    1. When using the hand-held tester:

      Operate the hand-held tester to clear the DTCs (See the operator's manual for operating instructions).

    2. When not using the hand-held tester:

    HINT:

    Remove the P CON MAIN fuse to erase DTCs C2300, C2301, C2303, C2304, C2305, C2306, and C2307 because they cannot be erased with the hand-held tester.

    1. Turn the power switch off.
    2. Remove the P CON MAIN fuse (7.5 A) for 60 seconds or more, and then reconnect it.
    3. Turn the power switch on (IG).
    4. Check that no DTCs are output.
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