Do you have access to Mitchell1 Prodemand, or eautorepair.net DIY? If you are willing to share user/password (we can pay), please get in contact with us ASAP (truly, it is urgent): email operation-charm [[at]] tuta.io or click to submit anonymously
Test Point 2
TEST POINT 2
Vehicle Speed
Note:
In the Actual Values menu item of the PST 2, the current values of the following parameters can be read out and checked.
- Engine off
PST 2 display: 0 km/h
- Drive vehicle at a constant speed
PST 2 display: Tester display approximately equal to actual driving speed in km/h.
Troubleshooting
- Switch off ignition
- Pull off plug II on the instrument cluster
- Switch ignition on
- Lift the vehicle
- Rotate the rear left wheel by hand
- measure the voltage between plug II, pin 16 and ground (AC range)
Voltmeter display: > 1 Volt
If the wheel speed signal is present at the instrument cluster, replace the instrument cluster.
If the wheel speed signal is not present at the instrument cluster:
- Switch off ignition
- Pull plug off the ABS control module
- Ohmmeter on instrument cluster plug II, pin 16 and ground.
Display: infinity
- Ohmmeter on instrument cluster plug II, pin 16 and plug on ABS control module pin 21.
Display: < 5 ohms