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Home >> Toyota >> 2012 >> Yaris Base, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System (Sedan) (Diagnostic Codes & Symptom Tests) >> METER / GAUGE SYSTEM (for Sedan) >> Symptom Tests >> Tachometer Malfunction >> Procedure

Tachometer Malfunction: Procedure

  1. PERFORM ACTIVE TEST USING TECHSTREAM (TACHOMETER) 
    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:

      Tester Display Test Part Control Range Diagnostic Note
      Tachometer Operation Tachometer 0/1000/2000/3000/4000/5000/6000/7000 RPM -

      OK

      Engine speed displayed on the tester is approximately the same as that of the tachometer reading.

    NG → See step   5 

    OK: Go to next step 

  2. READ VALUE USING TECHSTREAM (TACHOMETER) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch ON and turn 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:

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Engine RPM Engine speed/Min.: 0 RPM, Max.: 12, 750 RPM Approximately same as actual engine speed (When engine is running) -

      OK

      Engine speed displayed on the tester is approximately the same as the actual engine speed.

    NG → See step   4 

    OK → See step   3 

  3. REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL 
  4. GO TO SFI SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 
  5. REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL