Preparation For Test

Preliminary work: Diagnosis - Pull codes with impulse counter scan tool or Hand-Held Tester (HHT). Testing and Inspection

1. Ignition OFF.
2. Disconnect base module (BM, N16/1).
3. Connect socket box with contact module 1 and contact box according to connection diagrams (figures 1 and 2 below)
4. Continue with test.

Figure 1, Model 129:

Figure 2, Model 140:

003 Multimeter
050 Socket box
070 Contact box
071 Contact module 1
F23 Module box
N16/1 Base module
X11/4 Data link connector


Special Tools

Additional Tools
Digital Multimeter Fluke models 23, 83, 85, or 87