Dtc P0500 Vehicle Speed Sensor A

Engine. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
2Az-Fe Engine Control System. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK OPERATION OF SPEEDOMETER

READ VALUE USING INTELLIGENT TESTER (VEHICLE SPEED)

CHECK HARNESS AND CONNECTOR (COMBINATION METER - ECM)

CHECK COMBINATION METER (+S VOLTAGE)

CHECK COMBINATION METER (SPD SIGNAL OUTPUT WAVEFORM)

CHECK COMBINATION METER ASSEMBLY (SPD SIGNAL INPUT WAVEFORM)

CHECK HARNESS AND CONNECTOR (COMBINATION METER - SKID CONTROL ECU)

DTC P0500 Vehicle Speed Sensor "A"


DESCRIPTION

The wheel speed sensor monitors the wheel rotation speed and sends a signal to the skid control ECU. The skid control ECU converts the wheel speed signal into a 4-pulse signal and transmits it to the ECM via the combination meter. The ECM determines the vehicle speed based on the frequency of the pulse signal.
HINT:
  1. A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter. The signal is changed to a pulse signal at the transistor in the combination meter. Each ECU controls the respective system based on the pulse signal.
  2. If a short occurs in any of the ECUs or in the wire harness connected to an ECU, all systems in the diagram below will not operate normally.

Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.2Az-Fe Engine Control System.Sfi System. Dtc P0500 Vehicle Speed Sensor A


DTC No.
DTC Detection Condition
Trouble Area
P0500
While vehicle being driven, no vehicle speed sensor signal to ECM.
(1 trip detection logic)
  1. Open or short in speed signal circuit
  2. Combination meter
  3. Skid control ECU
  4. ECM

WIRING DIAGRAM


Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.2Az-Fe Engine Control System.Sfi System. Dtc P0500 Vehicle Speed Sensor A


INSPECTION PROCEDURE

HINT:
Read freeze frame data using the intelligent tester. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air-fuel ratio was lean or rich, and other data from the time the malfunction occurred.
1.CHECK OPERATION OF SPEEDOMETER

  1. Drive the vehicle and check whether the operation of the speedometer in the combination meter is normal.

    HINT:
    1. The vehicle speed sensor is operating normally if the speedometer reading is normal.
    2. If the speedometer does not operate, check it by following the procedure described in speedometer malfunction (RAV4_ACA30 RM0000020T6002X.html).


NG
GO TO MALFUNCTION IN SPEEDOMETER (RAV4_ACA30 RM0000020T6002X.html)
OK


2.READ VALUE USING INTELLIGENT TESTER (VEHICLE SPEED)

  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch on (IG) and turn the tester ON.

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

  1. Drive the vehicle.

  1. Read the value displayed on the tester.

    OK:
    Vehicle speeds displayed on tester and speedometer display are equal.


NG
Go to step 3
OK

CHECK FOR INTERMITTENT PROBLEMS (RAV4_ACA30 RM000000PDQ0AKX.html)

3.CHECK HARNESS AND CONNECTOR (COMBINATION METER - ECM)

  1. Disconnect the combination meter connector.

  1. Disconnect the ECM connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard resistance (Check for open):
    Tester Connection
    		Condition
    		Specified Condition
    E22-39 (+S) - A12-8 (SPD)
    		Always
    		Below 1 Ω
    Standard resistance (Check for short):
    Tester Connection
    		Condition
    		Specified Condition
    E22-39 (+S) or A12-8 (SPD) - Body ground
    		Always
    		10 kΩ or higher
    HINT:
    If the wire has a short, check the speed signal circuit in other systems related to the vehicle speed signal (e.g. the navigation system, audio system, etc.).


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (FOR OTHER SYSTEMS RELATED TO SPEED SIGNAL)
OK


4.CHECK COMBINATION METER (+S VOLTAGE)


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.2Az-Fe Engine Control System.Sfi System. Dtc P0500 Vehicle Speed Sensor A

  1. Disconnect the combination meter connector.

  1. Turn the ignition switch on (IG).

  1. Measure the voltage according to the value(s) in the table below.

    Standard voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    E22-39 (+S) - Body ground
    		Ignition switch on (IG)
    		4.5 to 5.5 V
Text in Illustration
*a
Front view of wire harness connector
(to Combination Meter)


NG
REPLACE ECM (RAV4_ACA30 RM0000017UO01HX.html)
OK


5.CHECK COMBINATION METER (SPD SIGNAL OUTPUT WAVEFORM)


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.2Az-Fe Engine Control System.Sfi System. Dtc P0500 Vehicle Speed Sensor A

  1. Move the shift lever to N.

  1. Jack up the vehicle.

  1. Turn the ignition switch on (IG).

  1. Measure the voltage according to the value(s) in the table below.

    Standard voltage:
    Tester Connection
    		Condition
    		Specified Condition
    E22-39 (+S) - Body ground
    1. Ignition switch on (IG)
    2. Wheel turned slowly
    		Voltage generated intermittently
    HINT:
    The output voltage should fluctuate up and down, similarly to the diagram, when the wheel is turned slowly.


NG
Go to step 6
OK

REPLACE ECM (RAV4_ACA30 RM0000017UO01HX.html)

6.CHECK COMBINATION METER ASSEMBLY (SPD SIGNAL INPUT WAVEFORM)


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.2Az-Fe Engine Control System.Sfi System. Dtc P0500 Vehicle Speed Sensor A

  1. Move the shift lever to N.

  1. Jack up the vehicle.

  1. Turn the ignition switch on (IG).

  1. Measure the voltage according to the value(s) in the table below.

    Standard voltage:
    Tester Connection
    		Condition
    		Specified Condition
    E22-38 (SI) - Body ground
    1. Ignition switch on (IG)
    2. Wheel turned slowly
    		Voltage generated intermittently
    HINT:
    The output voltage should fluctuate up and down, similarly to the diagram, when the wheel is turned slowly.


NG
Go to step 7
OK

REPLACE COMBINATION METER (RAV4_ACA30 RM000001RH400AX.html)

7.CHECK HARNESS AND CONNECTOR (COMBINATION METER - SKID CONTROL ECU)

  1. Disconnect the combination meter connector.

  1. Disconnect the skid control ECU connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard resistance (Check for open):
    w/ VSC
    Tester Connection
    		Condition
    		Specified Condition
    E22-38 (SI) - A67-11 (SP1)
    		Always
    		Below 1 Ω
    w/o VSC
    Tester Connection
    		Condition
    		Specified Condition
    E22-38 (SI) - A27-26 (SP1)
    		Always
    		Below 1 Ω

    Standard resistance (Check for short):
    w/ VSC
    Tester Connection
    		Condition
    		Specified Condition
    E22-38 (SI) or A67-11 (SP1) - Body ground
    		Always
    		10 kΩ or higher
    w/o VSC
    Tester Connection
    		Condition
    		Specified Condition
    E22-38 (SI) or A27-26 (SP1) - Body ground
    		Always
    		10 kΩ or higher
Result
Result
Proceed to
NG
A
OK (w/ VSC)
B
OK (w/o VSC)
C


B
REPLACE SKID CONTROL ECU (RAV4_ACA30 RM000001XV200PX.html)

C
REPLACE SKID CONTROL ECU (RAV4_ACA30 RM000001XV200OX.html)
A

REPAIR OR REPLACE HARNESS OR CONNECTOR