Test point

Signal, terminal 15

Ignition on Engine off PST2 display:


Communication with the control module is not possible without terminal 15.

Check fuse B 10

See also "Actual values" chapter, Test point 4

Check fuse El Switch off ignition

Pull off plug III on the instrument cluster Switch on terminal 86 S

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.

DIY Battery Repair

DIY Battery Repair

You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.

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