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Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM ACTIVE TEST BY TECHSTREAM (SPEED METER) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch ON and turn the tester ON.
    3. Enter the following menus : Body Electrical / Combination Meter / Active Test.

      Body Electrical / Combination Meter / Active Test: 

      BODY ELECTRICAL / COMBINATION METER / ACTIVE TEST

      Tester Display Test Part Control Range
      Speed Meter Operation 0 / 40 (24) / 80 (48) /120 (72) / 160 (96) / 200 (120) / 240 (144) km/h (mph) -

      OK: 

      Vehicle speed displayed on the tester is approximately the same as that of the speedometer reading. 

    NG: REPLACE COMBINATION METER ASSEMBLY 

    OK: Go to Next Step 

  2. READ VALUE OF TECHSTREAM (SPEED METER) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch ON and the tester ON.
    3. Select the item below from the Data List, and read the value displayed on the Techstream.

      Body Electrical / Combination Meter / Data List: 

      BODY ELECTRICAL / COMBINATION METER / DATA LIST

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Vehicle Speed Meter Vehicle speed /Min.: 0 km/h (0 mph), Max.: 255 km/h (158mph) Approximately same as actual vehicle speed (When vehicle is driven) -

      OK: 

      Vehicle speed displayed on the tester is approximately the same as the actual vehicle speed. 

    NG: Go to step 3 

    OK: REPLACE COMBINATION METER ASSEMBLY 

  3. INSPECT SPEEDOMETER 
    1. Remove the speedometer sensor.
      2. Fig 1: Identifying Speedometer Sensor
      G04833348Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2.
    3. Connect the positive (+) lead from the tester to terminal 3 and the negative (-) lead to terminal 2.
    4. Rotate the shaft.
    5. Check that the voltage output between terminals 2 and 3 varies between 0 V and 11V.
    6. Reinstall the speedometer sensor.

    NG: REPLACE SPEEDOMETER 

    OK: Go to Next Step 

  4. CHECK HARNESS AND CONNECTOR (SPEEDOMETER SENSOR - COMBINATION METER ASSEMBLY) 
    1. Disconnect the D1 combination meter assembly connector.
      2. Fig 2: Identifying Combination Meter Assembly And Speedometer Sensor Connector Terminals
      G04833349Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the C21 speedometer sensor connector.
    3. Measure the resistance

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      D1-17 (SI) - C21-3 (SI) Below 1 Ω
      C21-2 (SE) - Body ground Below 1 Ω
    4. Reconnect the combination meter assembly connector.
    5. Measure the voltage

      Standard voltage 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      C21-1 (IG+) - Body ground Ignition switch ON 11 to 14V
    6. Reconnect the combination meter assembly and speedometer sensor connectors.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE COMBINATION METER ASSEMBLY 

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