Battery Test


Fig. 7.2(a) Testing battery condition

Checking battery voltage is an important part of diagnostic work, as is the need to check the charging system voltage. These checks are shown in Fig. 7.2.

In many cases, sensors are supplied with a voltage via the ECM. This may be a 5 V supply and is known as the source voltage. If the sensor is to function

• Measurement conditions for the charging output test

- Connect the MultiScope to the vehicle's alternator.

- Engine RUNNING. Test the alternator at idle and under load Slowly increase engine speed.

- Load the charging system by turning on vehicle accessories such as the headlights, heater blower motor fan, and wind shield wipers.

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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