DTC 0104

The vehicle speed sensor is installed in the transmission. It contains a pulse generator which provides a vehicle speed signal to the speedometer. The speedometer then sends a signal to the ECM.




OVERALL FUNCTION CHECK
Use this procedure to check the overall function of vehicle speed sensor. During this check, a 1st trip DTC might not be confirmed.

With Consult
(1) Jack up drive wheels.
(2) Start engine.




(3) Perform "VEHICLE SPEED SEN CIRCUIT" in "FUNCTION TEST" mode with CONSULT.

OR

With Consult
(2) Start engine.




(3) Read vehicle speed sensor signal in "DATA MONITOR" mode with CONSULT.
The vehicle speed on CONSULT should be able to exceed 10 km!h (6 MPH) when rotating wheels with suitable gear position.

OR

With GST
(1) Jack up drive wheels.
(2) Start engine.




(3) Read vehicle speed sensor signal in "MODE 1" with GST.
The vehicle speed on GST should be able to exceed 10 km/h (6 MPH) when rotating wheels with suitable gear position.

OR

DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE
No Tools
(1) Start engine and warm it up sufficiently.
(2) Perform test drive for at least 10 seconds continuously in the following recommended condition.

Engine speed :1,800- 2,600 rpm
Intake
manifold vacuum : -53.3 to -26.7 kPa (-400 to -200 mmHg, -15.75 to -7.87 inHg, -7.73 to -3.87 psi)
Gear position : Suitable position (except "N" or "P" position)

(3) Stop the vehicle, turn ignition switch "OFF", wait at least 5 seconds and then turn "ON".
(4) Perform "Diagnostic Test Mode II (Self-diagnostic results)" with ECM.
Even though 1st trip DTC is not detected, perform the above test drive at least one more time.

EC-VSS-01 Vehicle Speed Sensor (VSS) (DTC P0500):

WIRING DIAGRAM




DIAGNOSTIC PROCEDURE