P0500

Wiring Diagram:

CIRCUIT DESCRIPTION
The speed sensor consists of the hall element (2), magnet (3), gear (1), etc. It is installed on transfer or transmission.

As the sensor gear is turned by drive gear on transfer (or transmission) output shaft, the signal voltage changes from high to low (or low to high). Such High / Low frequency increases in proportion with the vehicle speed and is sent to ECM (PCM) as pulse signals. ECM (PCM) uses it as one of the signals to control various devices.

DTC Detecting Condition And Trouble Area:

DTC CONFIRMATION PROCEDURE

WARNING:
- When performing a road test, select a place where there is no traffic or possibility of a traffic accident and be very careful during testing to avoid occurrence of an accident.
- Road test should be carried out with 2 persons, a driver and a tester, on a level road.

NOTE: Check to make sure that following condition is satisfied when using this "DTC CONFIRMATION PROCEDURE".
- Intake air temp.: -8 °C (18 °F) or higher
- Engine coolant temp.: -8 - 110 °C (18 - 230 °F)
- Altitude (barometric pressure) : 2400 m, 8000 ft or less (560 mmHg (75 kPa) or more)

1. Connect scan tool to DLC with ignition switch OFF.
2. Turn ON ignition switch and clear DTC, pending DTC and freeze frame data by using scan tool and warm UP engine completely.
3. Increase vehicle speed to 100 - 110 km/h (60 - 70 mph).
4. Release accelerator pedal and with engine brake applied keep vehicle coasting and then stop vehicle.
5. Check pending DTC by using scan tool.

Step 1 - 4:

Step 5 - 7:

TROUBLESHOOTING