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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 26 (Hybrid Transaxle System (Pc60) - Diagnostics - Introduction) >> Hybrid Transaxle System >> How To Proceed With Troubleshooting [09/2023 - ] >> Procedure

How To Proceed With Troubleshooting [09/2023 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

  2. CUSTOMER PROBLEM ANALYSIS 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2023 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  3

  3. INSPECT AUXILIARY BATTERY VOLTAGE 

    Standard voltage

    11 to 14 V

    If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding.

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  4

  4. CONNECT GTS TO DLC3* 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  5

  5. CHECK AND CLEAR DTCS AND FREEZE FRAME DATA* 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  6

  6. VISUAL INSPECTION 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  7

  7. SELECT CHECK MODE DIAGNOSIS* 

    Refer to CHECK MODE PROCEDURE [09/2023 - ] 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  8

  8. PROBLEM SYMPTOM CONFIRMATION 

    Refer to ROAD TEST [09/2023 - ] 

    Result

    Result Proceed to
    Symptom does not occur A
    Symptom occurs B

    Result: 

    B 

    See step  10

    Result: 

    A 

    See step  9

  9. SYMPTOM SIMULATION 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2023 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  10

  10. DTC CHECK* 

    Result

    Result Proceed to
    DTCs are not output A
    DTCs are output B

    Result: 

    B 

    See step  14

    Result: 

    A 

    See step  11

  11. MECHANICAL SYSTEM TESTS 

    Refer to MECHANICAL SYSTEM TESTS [09/2023 - ] 

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    See step  13

    Result: 

    OK 

    See step  12

  12. HYDRAULIC TEST 

    Refer to HYDRAULIC TEST [09/2023 - ] 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  13

  13. COMPONENT INSPECTION 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  17

  14. DTC CHART 
    1. Refer to Diagnostic Trouble Code Chart.

      Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2023 - ] 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  15

  15. CIRCUIT INSPECTION 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  16

  16. IDENTIFICATION INFORMATION 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  17

  17. REPAIR OR REPLACE 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  18

  18. CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END 

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