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Home >> BMW >> 2002 >> X5 30i, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 28 (Engine Electrical System - Repair Instructions - X5 (4.6L)) >> Troubleshooting >> 12 000 Contents of Engine Electrical System General >> Disconnecting And Connecting Test Equipment

Disconnecting And Connecting Test Equipment

WARNING: This page is about a different variant/trim than selected.

When connecting and disconnecting:

it is essential to turn off the ignition.

Follow instructions for removing and installing electronic control units. See REMOVING AND INSTALLING ELECTRONIC CONTROL UNITS  .

Follow operating instructions for testing devices.

Make sure that connected test leads cannot make contact with rotating parts (e.g.: fans, ribbed V-belts, etc.).