Speed Sensor (For Sedan) Inspection

Drivetrain. Yaris. Ncp93, 131

  1. INSPECT SPEED SENSOR

  2. INSPECT SPEEDOMETER SENSOR

Speed Sensor (For Sedan) -- Inspection



1. INSPECT SPEED SENSOR


    Yaris. Ncp93, 131.U340E Automatic Transmission Transaxle.Automatic Transaxle System (For Sedan).Speed Sensor (For Sedan)  Inspection
  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    1 - 2
    20°C (68°F)
    560 to 680 Ω
    If the result is not as specified, replace the speed sensor.


2. INSPECT SPEEDOMETER SENSOR


Yaris. Ncp93, 131.U340E Automatic Transmission Transaxle.Automatic Transaxle System (For Sedan).Speed Sensor (For Sedan)  Inspection
  1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2.

  1. Connect the positive (+) lead from the tester to terminal 3 and the negative (-) lead to terminal 2.

  1. Rotate the shaft.

  1. Check that the voltage output varies between 0 V and 11 V between terminals 2 and 3.

    HINT:
    The voltage output oscillates more than 4 times every revolution of the speedometer sensor shaft.
    If the operation is not as specified, replace the speedometer sensor.