Dtc P0500 Vehicle Speed Sensor A


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK OPERATION OF SPEEDOMETER

READ VALUE USING INTELLIGENT TESTER (VEHICLE SPEED)

CHECK ECM TERMINAL VOLTAGE (SPD TERMINAL)

DTC P0500 Vehicle Speed Sensor "A"


DESCRIPTION

The vehicle speed sensor outputs a 4 pulse signal for every revolution of the rotor shaft, which is rotated by the transmission output shaft via the driven gear. After this signal is converted into a more precise rectangular waveform by the waveform shaping circuit inside the combination meter, it is then transmitted to the ECM. The ECM determines the vehicle speed based on the frequency of these pulse signals.

Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.1Kd-Ftv Engine Control System.Ecd System. Dtc P0500 Vehicle Speed Sensor A


DTC No.
DTC Detection Condition
Trouble Area
P0500
Conditions (a), (b) and (c) continue for 8 seconds or more:
(2 trip detection logic)
(a) Engine coolant temperature is more than 70°C (158°F)
(b) Engine speed is between 1,500 rpm and 4,000 rpm
(c) No speed signal is input to ECM
  1. Open or short in speed signal circuit
  2. Combination meter
  3. ECM
Conditions (a), (b) and (c) continue for 5 seconds or more:
(2 trip detection logic)
(a) Vehicle running
(b) Under fuel-cut operation
(c) No speed signal is input to ECM

WIRING DIAGRAM


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.1Kd-Ftv Engine Control System.Ecd System. Dtc P0500 Vehicle Speed Sensor A


INSPECTION PROCEDURE

NOTICE:
After replacing the ECM, the new ECM needs registration (Toyota Fortuner RM0000012XK030X.html) and initialization (Toyota Fortuner RM0000012X2005X.html).
HINT:
Read freeze frame data using the intelligent tester. Freeze frame data records the engine condition when malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, and other data from the time the malfunction occurred.
1.CHECK OPERATION OF SPEEDOMETER

  1. Drive the vehicle.

  1. Check the speedometer reading in the combination meter.

    HINT:
    If the vehicle speed sensor signal is inaccurate, the speedometer will show abnormal readings.
    OK:
    Speedometer operates normally.


NG
CHECK SPEEDOMETER CIRCUIT (Toyota Fortuner RM0000012WF02VX.html)
OK


2.READ VALUE USING INTELLIGENT TESTER (VEHICLE SPEED)

  1. Connect the intelligent tester to the DLC3.

  1. Start the engine and turn the tester ON.

  1. Enter the following menus: Powertrain / Engine / Data List / Vehicle Speed.

  1. Check the vehicle speed at an engine speed of 2,000 rpm or more while the vehicle is running.

    OK:
    Same value as actual vehicle speed.


OK
CHECK FOR INTERMITTENT PROBLEMS (Toyota Fortuner RM0000012X400LX.html)
NG


3.CHECK ECM TERMINAL VOLTAGE (SPD TERMINAL)


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.1Kd-Ftv Engine Control System.Ecd System. Dtc P0500 Vehicle Speed Sensor A

  1. While idling the engine, check the waveform of the ECM connectors using an oscilloscope.

    1. Jack up the vehicle.

    2. Move the shift lever to the N position.

    3. Turn the ignition switch ON.

    4. Check the waveform between the specified terminals of the ECM connectors as the rear wheels are turned slowly.

      Standard:
      Tester Connection
      		Specified Condition
      SPD (E5-17) - E1 (E6-7)
      		Generated intermittently


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE ECM (Toyota Fortuner RM0000013Z0004X.html)