Note:
Turn signal lamps are installed in the headlights, rear and side lights. The left or right direction indicator is switched on by the left stalk switch. In alarm mode, the alarm switch turns on all direction indicators. Below are the wiring diagrams of the Citroen C-Crosser control and operation of direction indicators and alarms to understand the functionality of individual elements of the system and their relationship.
Scheme 1. Direction indicators and alarms Citroen C-Crosser:
1 - electronic control unit ETACS;
2 - central panel;
3 - alarm switch;
4, 10 – switch of driving modes;
5 - a chain for a car with a left-hand drive;
6 - control panel for the air conditioning and ventilation system;
7, 22 – processor module;
8, 9, 13, 23, 24 - conjugation circuit;
11, 16 - fuses;
12 - starting circuit;
14 - input signal from the rain sensor;
15 – CAN 1 connector;
17, 19 - indicators of the right and left turn, respectively;
18 - liquid crystal display;
20 - rheostat;
21 – transmission line circuit;
25 - automatic breaker;
26 - instrument cluster.
Scheme 2. Direction indicators and alarms Citroen C-Crosser:
1, 12 - fuses;
2 - to the distribution system;
3 - electronic control unit ETACS;
4 – a chain of management of lamps of indexes of turn;
5 – a lamp of the left lateral indicator of turn;
6 – a lamp of the right lateral indicator of turn;
7 – a lamp of the index of turn in the left block headlight;
8 – a lamp of the index of turn in the right block headlight;
9 – a lamp of the index of turn in the left back lantern;
10 – a lamp of the index of turn in the right back lantern;
11 - light indicators of the instrument panel;
13 - ignition lock;
14 - relay block in the engine compartment;
15 – a chain of headlights of the main illumination;
16 - ignition lock relay;
17, 20 – electronic steering column control unit;
18, 21 - conjugation circuit;
19 - power windows;
22 - diagnostic connector;
23 – a chain for cars with the right arrangement of a wheel;
24, 28 - chain for cars with left-hand drive;
25 - electronic steering column control unit;
26 - turn signal switch;
27 - combined steering column switch.
Source: Operation, Maintenance and Repair Manual for Mitsubishi Outlender XL, Peugeot 4007, Citroen C-Crosser