Disconnect the battery. Remove the lower instrument panel trim (1).
Car ECU:
1 - protection and switching unit;
2 — UCHBS;
3 - fuse and relay box in the passenger compartment;
4 — Airbag control unit;
5 — ABS hydraulic unit;
6 - instrument cluster;
7 — ECU of the petrol engine injection system;
8 — Automatic transmission ECU;
9 — Front lighting control unit;
10 — Automatic parking brake control unit;
11 — Parking control system ECU;
12 — climate control panel;
13 — audio system with navigation unit;
14 — navigation system display;
15 - Multimedia network interface block;
16 — Navigation system ECU;
17 - tuner-amplifier;
18 - radio receiver;
19 — display;
20 — ECU of the remote multimedia network connector.
Caution: To prevent the steering column from becoming completely locked, never install a UCH that has previously been used in another vehicle.
Loosen the fastening screw (3) of the UCHBS.
Move the UCH to the side (4).
Mark the routing of the cables.
Disconnect the UCH connectors. Remove the UCH.
Attach:
- 3 instrument cluster wiring harness connectors (5) to the UCH;
- 3 connectors (6) of the windshield pillar wiring harness to the UCH;
- engine compartment wiring harness connector (7) to the UCHBS.
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Install the UCHBS.
Install the wire harnesses in the positions marked during removal.
Place the tabs (8) opposite the corresponding places (8).
Install the UCH by pressing at point (9).
Secure the UCH to the support using the bolt (10).
(Information is located on the website: www.renaultbook.ru)
