Meter / Gauge System (For Sedan) Tachometer Malfunction

Vehicle Interior. Yaris. Ncp93, 131
Meter Gauge Display. Yaris. Ncp93, 131

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING TECHSTREAM (TACHOMETER)

READ VALUE USING TECHSTREAM (TACHOMETER)

METER / GAUGE SYSTEM (for Sedan) - Tachometer Malfunction


DESCRIPTION

The combination meter assembly controls the tachometer in accordance with engine speed signals from the ECM through the CAN communication system.

WIRING DIAGRAM


Yaris. Ncp93, 131.Meter Gauge Display.Meter / Gauge System (For Sedan).Meter / Gauge System (For Sedan)  Tachometer Malfunction


INSPECTION PROCEDURE

HINT:
If DTC U0100 has been stored, troubleshoot the CAN communication system first.
1.PERFORM ACTIVE TEST USING TECHSTREAM (TACHOMETER)
  1. Connect the Techstream to the DLC3.

  1. Turn the ignition switch ON and turn the tester ON.

  1. 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
REPLACE COMBINATION METER ASSEMBLY (YARIS_NCP93 RM000000IN001JX.html)
OK


2.READ VALUE USING TECHSTREAM (TACHOMETER)
  1. Connect the Techstream to the DLC3.

  1. Turn the ignition switch ON and turn the tester ON.

  1. 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
GO TO SFI SYSTEM (YARIS_NCP93 RM000000PD90O2X.html)
OK

REPLACE COMBINATION METER ASSEMBLY (YARIS_NCP93 RM000000IN001JX.html)