Test Point 4

Test point 4
Terminal 86s signal

- Ignition on
- Engine off
PST2 display: present
If not:

- Check fuse E1
- Switch off ignition
- Pull off plug III on the instrument cluster
- Switch on terminal 86S
- Measure the voltage between instrument cluster plug III, pin 1 and ground
- Voltmeter display: Battery voltage

If battery voltage is present at plug III pin 1, replace the instrument cluster.