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Home >> Scion >> 2012 >> xB Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter & Gauge System (Diagnostic Codes & Symptom Tests) >> Meter / Gauge System >> Symptom Tests >> Speedometer Malfunction >> Procedure

Speedometer Malfunction: Procedure

  1. CONFIRM DTC OUTPUT (CAN COMMUNICATION DTC) 
    1. Check DTC. Refer to DTC CHECK / CLEAR .

      Result

      Result Proceed to
      DTC U0129 is not output A
      DTC U0129 is output B

    B → See step   9 

    A: Go to next step 

  2. CONFIRM DTC OUTPUT (SPEED SENSOR DTC) 
    1. Check DTCs. Refer to DTC CHECK / CLEAR .

      Result

      Result Proceed to
      DTC C0200/31, C0205/32, C0210/33 and/or C0215/34 is not output A
      DTC C0200/31, C0205/32, C0210/33 and/or C0215/34 is output B

    B → See step   8 

    A: Go to next step 

  3. PERFORM ACTIVE TEST USING TECHSTREAM (SPEED METER) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch on (IG) and turn the tester on.
    3. Operate the Techstream according to the display and select "Active Test". Refer to DATA LIST / ACTIVE TEST .

      Body Electrical / Combination Meter / Active Test

      Tester Display Teat Part Control Range Diagnostic Note
      Speed Meter Operation Speedometer 0/40/80/120 mph Vehicle is stopped and ignition switch ON
      0/40/80/12/160/200 km/h

      OK

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

    NG → See step   7 

    OK: Go to next step 

  4. READ VALUE USING TECHSTREAM (SPEED METER) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch on (IG) and the tester on.
    3. Operate the Techstream according to the display and select "Data List". Refer to DATA LIST / ACTIVE TEST .

      Body Electrical / Combination Meter / Data List

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

      OK

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

      NOTE:

      Determine whether the value displayed on the tester is within the acceptable range by referring to reference values described in "ON-VEHICLE INSPECTION" See step  1.

    NG → See step   5 

    OK → See step   6 

  5. REPLACE COMBINATION METER ASSEMBLY 
    1. Replace the combination meter assembly with a new or a normal one. Refer to REMOVAL .

      OK

      The operation of the speedometer returns to normal.

    NG → See step   10 

    OK → END 

  6. USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 
  7. REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL 
  8. GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART 
  9. GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DTC U0129: Lost Communication with Skid Control ECU  
  10. REPLACE ABS AND TRACTION ACTUATOR (SKID CONTROL ECU). Refer to  REMOVAL