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P0500

DTC P0500 VEHICLE SPEED SENSOR

1. OUTLINE OF DIAGNOSIS
Judge as NG when outside of the judgment value.
Judge as NG when the data received from the ABS control module and hydraulic control module are at erroneous vehicle speeds, and if the vehicle speed of the data is impossible.

2. COMPONENT DESCRIPTION
Vehicle speed signals are taken in to the ABS control module and hydraulic control unit, and normal/erroneous data of the ABS wheel speed sensor is received by CAN communication from the ABS control module and hydraulic control unit.




3. ENABLE CONDITIONS

4. GENERAL DRIVING CYCLE
Always perform diagnosis more than 2 seconds after starting the engine.

5. DIAGNOSTIC METHOD




Abnormality Judgment
Judge as NG when the continuous time until completing the malfunction criteria becomes 2.5 second or more.




Normality Judgment
Judge as OK and clear the NG when all of the given criteria are established.

6. DTC CLEAR CONDITION
- When the OK idling cycle is completed 40 times in a row
- When "Clear Memory" is performed

7. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
- When the OK driving cycle is completed 3 times in a row
- When "Clear Memory" is performed

8. FAIL SAFE
- ABS wheel speed sensor signal process: Vehicle speed = 10 km/h (6 MPH)
- ISC control: ISC feedback amount calculation prohibited
- Radiator fan control: Send the duty signal 50% to the controller.

9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)