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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System (Except 12.3 Inch Display) - Diagnostic Codes & Symptom Tests (1 Of 2) >> METER / GAUGE SYSTEM (except 12.3 Inch Display) >> Speedometer Malfunction [12/2019 - ] >> Procedure

Speedometer Malfunction [12/2019 - ]: Procedure

  1. CHECK CAN COMMUNICATION SYSTEM 
    1. Check if CAN communication DTCs are output.

      for HV Model: Refer to DIAGNOSIS SYSTEM [12/2019 - 09/2020] , or refer to DIAGNOSIS SYSTEM [09/2020 - 10/2021] , or refer to DIAGNOSIS SYSTEM [10/2021 - 10/2022] , or refer to DIAGNOSIS SYSTEM [10/2022 - 11/2023] , or refer to DIAGNOSIS SYSTEM [11/2023 - ]

      for Gasoline Model: Refer to DIAGNOSIS SYSTEM [12/2019 - 09/2020] , or refer to DIAGNOSIS SYSTEM [09/2020 - 10/2022] , or refer to DIAGNOSIS SYSTEM [10/2022 - 11/2023] , or refer to DIAGNOSIS SYSTEM [11/2023 - ]

      Result

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

    Result: 

    GO TO CAN COMMUNICATION SYSTEM 

    for HV Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2021] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2021 - 10/2022] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 11/2023] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ]

    for Gasoline Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2022] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 11/2023] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ]

    Result: 

    See step  2

  2. CHECK FOR DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM) 
    1. Check if electronically controlled brake system DTCs are output.
      1. for HV Model

        Chassis > Brake/EPB > Trouble Codes 

        Chassis > Brake Booster > Trouble Codes 

      2. for Gasoline Model

        Chassis > Brake/EPB > Trouble Codes 

      Result

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

    Result: 

    GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM 

    for HV Model: Refer to DIAGNOSTIC TROUBLE CODE CHART [12/2019 - 10/2021] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2021 - 11/2023] , or refer to DIAGNOSTIC TROUBLE CODE CHART [11/2023 - ]

    for Gasoline Model: Refer to DIAGNOSTIC TROUBLE CODE CHART [12/2019 - 10/2022] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2022 - 11/2023] , or refer to DIAGNOSTIC TROUBLE CODE CHART [11/2023 - ]

    Result: 

    See step  3

  3. PERFORM ACTIVE TEST USING GTS 
    1. Perform the Active Test according to the display on the GTS.

      Body Electrical > Combination Meter > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Speedometer Operation (0km/h, 0MPH) Speedometer
      (0 km/h, 0 mph)
      ON When this Active Test is performed, an operation signal is sent directly to the combination meter assembly to operate the speedometer.
      Speedometer Operation (40km/h, 40MPH) Speedometer
      (40 km/h, 40 mph)
      ON
      • When this Active Test is performed, an operation signal is sent directly to the combination meter assembly to operate the speedometer.
      • The value displayed on the speedometer may deviate.*
      Speedometer Operation (80km/h, 80MPH) Speedometer
      (80 km/h, 80 mph)
      ON
      • When this Active Test is performed, an operation signal is sent directly to the combination meter assembly to operate the speedometer.
      • The value displayed on the speedometer may deviate.*
      Speedometer Operation (120km/h, 120MPH) Speedometer
      (120 km/h, 120 mph)
      ON
      • When this Active Test is performed, an operation signal is sent directly to the combination meter assembly to operate the speedometer.
      • The value displayed on the speedometer may deviate.*
      Speedometer Operation (160km/h, 160MPH) Speedometer
      (160 km/h, 160 mph)
      ON
      • When this Active Test is performed, an operation signal is sent directly to the combination meter assembly to operate the speedometer.
      • The value displayed on the speedometer may deviate.*
      Speedometer Operation (200km/h, 200MPH) Speedometer
      (200 km/h, 200 mph)
      ON
      • When this Active Test is performed, an operation signal is sent directly to the combination meter assembly to operate the speedometer.
      • The value displayed on the speedometer may deviate.*
      Speedometer Operation (240km/h, 240MPH) Speedometer
      (240 km/h, 240 mph)
      ON When this Active Test is performed, an operation signal is sent directly to the combination meter assembly to operate the speedometer.
      1. *: For the tolerance of each Speed Signal Input Active Test, refer to On-vehicle Inspection.

        Refer to ON-VEHICLE INSPECTION [12/2019 - ] 

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Speedometer Operation (0km/h, 0MPH)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Speedometer Operation (40km/h, 40MPH)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Speedometer Operation (80km/h, 80MPH)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Speedometer Operation (120km/h, 120MPH)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Speedometer Operation (160km/h, 160MPH)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Speedometer Operation (200km/h, 200MPH)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Speedometer Operation (240km/h, 240MPH)

      OK

      Speedometer indication is normal.

      HINT: 

      When the value of the Active Test is more than or equal to the speedometer upper limit, the indicated speed stops at the upper limit.

      Result

      Result Proceed to
      OK
      (for HV Model)
      A
      OK
      (for Gasoline Model)
      B
      NG C

    Result: 

    REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ] 

    Result: 

    REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ] 

    Result: 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [12/2019 - ]