2013 Scion xB Automatic TransFACTORY OEM SERVICE PROCEDURE

How To Proceed With Troubleshooting

HINT: 

*: Use the Techstream.

  1. VEHICLE BROUGHT TO WORKSHOP 

    NEXT: Go to next step 

  2. CUSTOMER PROBLEM ANALYSIS 
    1. Interview the customer and confirm the trouble.

      NEXT: Go to next step 

  3. CHECK DTC AND FREEZE FRAME DATA* 
    1. Check and record a DTC and Freeze Frame Data.
    2. Clear the DTC and Freeze Frame Data. Refer to DTC CHECK / CLEAR  for DTC Check/Clear, or refer to FREEZE FRAME DATA  for Freeze Frame Data).
    3. Reconfirm the DTC.
      1. Reconfirm the DTC based on the recorded DTC and Freeze Frame Data. Refer to DTC CHECK / CLEAR  for DTC Check/Clear, or refer to FREEZE FRAME DATA  for Freeze Frame Data).

        HINT: 

        If any of the DTCs U0100/65, U0123/62, U0124/95, and U0126/63 is output together with a CAN communication DTC, first check the appropriate sensor for a momentary open circuit. Refer to CHECK FOR INTERMITTENT PROBLEMS .

        Result

        Result Proceed to
        DTC output A
        DTC not output (Problem symptom does not occur) B
        DTC not output (Problem symptom occurs) C

      B → GO TO STEP 5 

      C → GO TO STEP 6 

      A: Go to next step 

  4. DIAGNOSTIC TROUBLE CODE CHART 
    1. Proceed to Diagnostic Trouble Code Chart. Refer to DIAGNOSTIC TROUBLE CODE CHART .

      NEXT → GO TO STEP 7 

  5. SYMPTOM SIMULATION 
    1. Proceed to Check for Intermittent Problems. Refer to CHECK FOR INTERMITTENT PROBLEMS .

      NEXT: Go to next step 

  6. PROBLEM SYMPTOMS TABLE 
    1. Proceed to Problem Symptoms Table. Refer to PROBLEM SYMPTOMS TABLE .

      NEXT: Go to next step 

  7. CIRCUIT INSPECTION* 

    NEXT: Go to next step 

  8. IDENTIFICATION OF PROBLEM 

    NEXT: Go to next step 

  9. REPAIR OR REPLACEMENT 

    NEXT: Go to next step 

  10. CONFIRMATION TEST* 

    NEXT → END 

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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.