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Diagnostic Manual, Info./Comm., Volume 1

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LOCATION:    2.3 Trip Computer    >   22 Electrical Test Program - Preparation for Test

Electric Test Program - Preparation for Test

1. Battery voltage 11 - 14 V.
2. Check fuses.
3. All systems functional.

To prevent damage to the control modules, the connectors on the control modules must only be removed or connected with the ignition OFF .

Electrical wiring diagrams:
Refer to Workshop Information System (WIS)

Conventional tools, test equipment

Description Brand, model, etc.
Fluke models 1) 23, 78, 87, 88, 98 II
1) Available through the MBUSA Standard Service Equipment Program.