LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2020 >> Corolla L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 65 (Meter / Gauge System (HEV) - Diagnostic Codes, Symptom Tests & Circuit Tests) >> METER / GAUGE SYSTEM (for HV Model) >> Tachometer Malfunction [04/2020 - 09/2022] >> Procedure

Tachometer Malfunction [04/2020 - 09/2022]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK CAN COMMUNICATION SYSTEM 
    1. Check if CAN communication DTCs are output.

      Refer to DIAGNOSIS SYSTEM [04/2020 - 09/2022]

      Result

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

    Result: 

    GO TO CAN COMMUNICATION SYSTEM 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [01/2019 - 09/2022]

    Result: 

    See step  2

  2. CHECK FOR DTC (HYBRID CONTROL SYSTEM) 
    1. Check if hybrid control system DTCs are output.

      Powertrain > Hybrid Control > Trouble Codes 

      Result

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

    Result: 

    GO TO HYBRID CONTROL SYSTEM 

    for Nickel Metal Hydride Battery: Refer to DIAGNOSTIC TROUBLE CODE CHART [04/2020 - 09/2022]

    for Lithium-ion Battery: Refer to DIAGNOSTIC TROUBLE CODE CHART [04/2020 - 09/2022]

    Result: 

    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
      TachoMeter Operation (0rpm) Tachometer
      (0 rpm)
      ON -
      TachoMeter Operation (1000rpm) Tachometer
      (1000 rpm)
      ON -
      TachoMeter Operation (2000rpm) Tachometer
      (2000 rpm)
      ON -
      TachoMeter Operation (3000rpm) Tachometer
      (3000 rpm)
      ON -
      TachoMeter Operation (4000rpm) Tachometer
      (4000 rpm)
      ON -
      TachoMeter Operation (5000rpm) Tachometer
      (5000 rpm)
      ON -
      TachoMeter Operation (6000rpm) Tachometer
      (6000 rpm)
      ON -
      TachoMeter Operation (7000rpm) Tachometer
      (7000 rpm)
      ON -

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      TachoMeter Operation (0rpm)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      TachoMeter Operation (1000rpm)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      TachoMeter Operation (2000rpm)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      TachoMeter Operation (3000rpm)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      TachoMeter Operation (4000rpm)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      TachoMeter Operation (5000rpm)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      TachoMeter Operation (6000rpm)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      TachoMeter Operation (7000rpm)

      OK

      Tachometer indication is normal.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU 

    Refer to REMOVAL [04/2020 - 09/2022]

    Result: 

    NG 

    REPLACE COMBINATION METER ASSEMBLY 

    Refer to REMOVAL [03/2019 - 09/2022]