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Home >> Toyota >> 2021 >> Avalon TRD >> Repair and Diagnosis >> Electrical >> Gauges >> Meter / Gauge / Display - Diagnostic Codes (U0100) & Symptom Tests (Except Hybrid) >> METER / GAUGE SYSTEM (for Gasoline Model) >> Symptom Tests >> Speedometer Malfunction [04/2018 - 08/2021] >> Procedure

Speedometer Malfunction [04/2018 - 08/2021]: Procedure

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

      Refer to DIAGNOSIS SYSTEM [04/2018 - 08/2020] , or refer to DIAGNOSIS SYSTEM [08/2020 - 08/2021]

      Result

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

    Result: 

    B 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2018 - ] 

    Result: 

    A 

    See step  2

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

      Chassis > ABS/VSC/TRAC/EPB > Trouble Codes 

      Result

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

    Result: 

    B 

    GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [04/2018 - 08/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2020 - 08/2021] 

    Result: 

    A 

    See step  3

  3. PERFORM ACTIVE TEST USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Combination Meter / Active Test.
    5. Perform the Active Test according to the display on the Techstream.

      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 -
      Speedometer Operation (40km/h, 40MPH) Speedometer (40 km/h, 40 mph) ON The value displayed on the speedometer may deviate.
      Reference mph*1:
      40 → 39.4 to 42.2
      Reference km/h*2:
      40 → 38.7 to 43.2
      Speedometer Operation (80km/h, 80MPH) Speedometer (80 km/h, 80 mph) ON The value displayed on the speedometer may deviate.
      Reference mph*1:
      80 → 80.0 to 83.2
      Reference km/h*2:
      80 → 79.3 to 84.3
      Speedometer Operation (120km/h, 120M-PH) Speedometer (120 km/h, 120 mph) ON The value displayed on the speedometer may deviate.
      Reference mph*1:
      120 → 120.9 to 124.1
      Reference km/h*2:
      120 → 120.3 to 125.3
      Speedometer Operation (160km/h, 160M-PH) Speedometer (160 km/h, 160 mph)*2 ON The value displayed on the speedometer may deviate.
      Reference km/h*2:
      160 → 161.2 to 166.2
      Speedometer Operation (200km/h, 200M-PH) Speedometer (200 km/h, 200 mph)*2 ON The value displayed on the speedometer may deviate.
      Reference km/h*2:
      200 → 202.1 to 207.1
      Speedometer Operation (240km/h, 240M-PH) Speedometer (240 km/h, 240 mph)*2 ON The value displayed on the speedometer may deviate.
      Reference km/h*2:
      240 → 243.0 to 248.0
      1. *1: for Speedometer with Imperial Units for Main Scale
      2. *2: for Speedometer with Metric Units for Main Scale

      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, 120M-PH)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Speedometer Operation (160km/h, 160M-PH)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Speedometer Operation (200km/h, 200M-PH)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Speedometer Operation (240km/h, 240M-PH)

      OK

      Speedometer indication is normal.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [04/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021] 

    Result: 

    NG 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [04/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]