Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Input speed sensor circuit no signal

Toyota RAV4. Input speed sensor circuit no signal


This sensor detects the rotation speed of the turbine, which shows the input revolution of the transaxle. By comparing the input speed signal (nt) with the counter gear speed sensor signal (nc), the ecm detects the shift timing of the gears and controls the engine torque and hydraulic pressure according to various conditions. As a result, smooth gear shifting is achieved.

Toyota RAV4. Input speed sensor circuit no signal

Monitor description

This dtc indicates that a pulse is not output from the speed sensor nt (input speed sensor) or is output only a little. The nt terminal of the ecm detects the revolving signal from the speed sensor (nt) (input rpm). The ecm outputs a gear shift signal comparing the input speed sensor (nt) with the output speed sensor (nc).

While the vehicle is operating in the 2nd, 3rd or o/d gear position with the shift lever on d, if the input shaft revolution is less than 300 rpm*1 and the output shaft revolution is 1,000 rpm or more*2, the ecm detects the trouble, illuminates the mil and stores the dtc.


*1: Pulse is not output or is irregularly output.

*2: The vehicle speed is approximately 50 km/h (31 mph) or more.

Monitor strategy

Toyota RAV4. Monitor strategy

Typical enabling conditions

Toyota RAV4. Typical enabling conditions

Typical malfunction thresholds

Toyota RAV4. Typical malfunction thresholds

Component operating range

Toyota RAV4. Component operating range

Wiring diagram

Toyota RAV4. Wiring diagram

Inspection procedure


Using the intelligent tester's data list allows switch, sensor, actuator and other item values to be read without removing any parts. Reading the data list early in troubleshooting is one way to save time.


In the table below, the values listed under "normal condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

  1. Warm up the engine.
  2. Turn the ignition switch off.
  3. Connect the intelligent tester to the can vim. Then connect the can vim to the dlc3.
  4. Turn the ignition switch on and turn the tester on.
  5. Enter the following menus: diagnosis / enhanced obd ii / data list.
  6. Follow the instructions on the tester and read the data list.

Toyota RAV4. Inspection procedure


  1. Inspect speed sensor (installation)

Toyota RAV4. Inspect speed sensor (installation)

  1. Check the speed sensor nt installation.

Ok: installation bolt is tightened properly and there is no clearance between the sensor and transaxle case.

  1. Inspect speed sensor nt

Toyota RAV4. Inspect speed sensor nt

  1. Disconnect the b28 sensor connector from the transaxle.
  2. Measure the resistance of the sensor.

Standard resistance

  1. Check wire harness (speed sensor - ecm)

Toyota RAV4. Check wire harness (speed sensor - ecm)

  1. Disconnect the b30 ecm connector.
  2. Measure the resistance of the wire harness side connector.

Standard resistance

Replace ecm

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