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Diagnostic Manual, Chassis and Drivetrain,
Volume 1

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LOCATION:    2.1 Electronic Automatic Transmission Control (ETC)   >   22 Electrical Test Program - Preparation for Test

Electrical Test Program - Preparation for Test

Preliminary work:
Diagnosis - Diagnostic Trouble Code (DTC) Memory 12

1. Disconnect TCM (N15/1).
2. Connect socket box and test cable according to connection diagram on following page.
3. Test accelerator control, full load stop.
4. Disconnect ABS/ASR control module (N30/1) (if so equipped).

Wiring Diagrams
Electrical Troubleshooting Manual, Model 129.


Digital multimeter 1) Fluke models 23, 83, 85, 87
1) Available through the MBUSA Standard Equipment Program.