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Diagnostic Manual, Chassis and Drivetrain,
Volume 3

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LOCATION:    9.5 Traction Systems (ETS)(4MATIC)   >   22 Electrical Test Program - Preparation for Test


Electrical Test Program - Preparation for Test

1. Review section 0
2. Review 21, 22, 23(connector connections).
3. Ignition: OFF
4. Disconnect ETS/SPS control module (N47-2).
5. Connect socket box with test cable as per connection diagram
(Figure 1).

Electrical Wiring Diagrams:
(location of grounds and connectors).
Electrical Troubleshooting Manual, Model 163 (via WIS only).


Test Equipment; See MBUSA Standard Service Equipment Program

Description Brand, model, etc.
Digital multimeter Fluke models 23, 77 III, 83, 85, 87