A SERVICE OF

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2-10
2.4 Control Unit
1. Open the processor unit.
2. Lead in the control unit cable assy. (option) from the rear entrance of the processor unit.
3. Inside the processor unit, fasten ground the wire of the cable assembly with an M4 screw on
the chassis.
4. Plug in two connectors of control unit cable to P412 and J583.
MB 03P9251
PTU COVER
INT 03P9252
P412
Control Unit
Cable
J583
Earth Wire
Figure 2-13 Processor unit, inside view