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Home >> Toyota >> 2017 >> Highlander LE Plus, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 249 (Climate Control Seat System (Inspection) (Hybrid)) >> Climate Control Seat System >> How To Proceed With Troubleshooting [02/2014 - ] >> Procedure

How To Proceed With Troubleshooting [02/2014 - ]: Procedure

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  1. VEHICLE BROUGHT TO WORKSHOP 

    Result: 

    NEXT 

    See step  2

  2. CUSTOMER PROBLEM ANALYSIS 
    1. Interview the customer to confirm the problem.

      Refer to HOW TO PROCEED WITH TROUBLESHOOTING [02/2014 - 11/2016]

      Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2016 - ]

    Result: 

    NEXT 

    See step  3

  3. PRE-CHECK 
    1. Measure the auxiliary battery voltage with the power switch off.

      Standard Voltage

      11 to 14 V

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

    2. Check the fuses and relays.
    3. Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

    Result: 

    NEXT 

    See step  4

  4. PROBLEM SYMPTOMS TABLE 
    1. Refer to Problem Symptoms Table.

      Refer to PROBLEM SYMPTOMS TABLE [02/2014 - ] 

      Result Proceed to
      Fault is not listed in Problem Symptoms Table A
      Fault is listed in Problem Symptoms Table B

    Result: 

    B 

    See step  6

    Result: 

    A 

    See step  5

  5. OVERALL ANALYSIS AND TROUBLESHOOTING 
    1. Terminals of ECU

      Refer to TERMINALS OF ECU [02/2014 - ] 

    2. On-vehicle Inspection

      Refer to ON-VEHICLE INSPECTION [02/2014 - ] 

    3. Inspection

      Refer to INSPECTION [02/2014 - ]

    Result: 

    NEXT 

    See step  6

  6. REPAIR OR REPLACE 

    Result: 

    NEXT 

    See step  7

  7. CONFIRMATION TEST 

    Result: 

    NEXT 

    END