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Speedometer Malfunction [01/2019 - 09/2022]: Procedure

WARNING: This page is about a different car, the 2022 Toyota Corolla, 2021 Toyota Corolla, and 2020 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CAN COMMUNICATION SYSTEM 
    1. Check if CAN communication DTCs are output.

      Refer to DIAGNOSIS SYSTEM [01/2019 - 04/2020] , or refer to DIAGNOSIS SYSTEM [04/2020 - 09/2022]

      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 [01/2019 - 09/2022] 

    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 > 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 [01/2019 - 04/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [04/2020 - 09/2022] 

    Result: 

    A 

    See step  3

  3. PERFORM ACTIVE TEST USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the power 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
      Speed Signal Input (0) Vehicle speed test signal input*
      (0 km/h, 0 mph)      		 ON -
      Speed Signal Input (40) Vehicle speed test signal input*
      (40 km/h, 40 mph)      		 ON The value displayed on the speedometer may deviate.

      for Speedometer with Imperial Units for Main Scale: 

      1. Reference 40 (mph):

        39.6 to 42.4

      for Speedometer with Metric Units for Main Scale: 

      1. Reference 40 (km/h):

        38.8 to 43.3
      Speed Signal Input (80) Vehicle speed test signal input*
      (80 km/h, 80 mph)      		 ON The value displayed on the speedometer may deviate.

      for Speedometer with Imperial Units for Main Scale: 

      1. Reference 80 (mph):

        80.3 to 83.5

      for Speedometer with Metric Units for Main Scale: 

      1. Reference 80 (km/h):

        79.4 to 84.4
      Speed Signal Input (120) Vehicle speed test signal input*
      (120 km/h, 120 mph)      		 ON The value displayed on the speedometer may deviate.

      for Speedometer with Imperial Units for Main Scale: 

      1. Reference 120 (mph):

        121.3 to 124.5

      for Speedometer with Metric Units for Main Scale: 

      1. Reference 120 (km/h):

        120.4 to 125.4
      Speed Signal Input (160) Vehicle speed test signal input*
      (160 km/h, 160 mph)      		 ON The value displayed on the speedometer may deviate.

      for Speedometer with Metric Units for Main Scale: 

      1. Reference 160 (km/h):

        161.3 to 166.3
      Speed Signal Input (200) Vehicle speed test signal input*
      (200 km/h, 200 mph)      		 ON The value displayed on the speedometer may deviate.

      for Speedometer with Metric Units for Main Scale: 

      1. Reference 200 (km/h):

        202.3 to 207.3
      Speed Signal Input (240) Vehicle speed test signal input*
      (240 km/h, 240 mph)      		 ON -
      1. *: When this Active Test is performed, an actual vehicle speed signal is sent via CAN communication to the combination meter assembly to operate the speedometer. The seat belt warning buzzer, etc. may operate when performing this Active Test.

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Speed Signal Input (0)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Speed Signal Input (40)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Speed Signal Input (80)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Speed Signal Input (120)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Speed Signal Input (160)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Speed Signal Input (200)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Speed Signal Input (240)

      OK

      Speedometer indication is normal.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY). Refer to  REMOVAL [01/2019 - 09/2022] 

    Result: 

    NG 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [01/2019 - 03/2019]  , or refer to  REMOVAL [03/2019 - 09/2022] 

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