Mitsubishi Multiplex System (SWS)

General information

1. The SWS system allows communication between the electrical control module, the ETACS control module, the stalk combination switch controller, the power window master switch and the integrated side door power window controllers as shown in the figure.

2. The SWS system provides the following systems and functions:

• A) the function of the sound warning about the key left in the ignition;
• b) function of the sound warning about the included external lighting (when opening the driver's door);
• V) audible position warning function "R" automatic transmission selector lever or variator;
• G) function of the sound warning upon request of the multifunctional display;
• d) function of the centralized control of blocking of door locks using a key or the button of blocking of the driver's door lock;
• e) function of compulsory blocking of door locks;
• and) the function of forced unlocking of the doors with the key left in the ignition;

Note: the symbol indicates a unidirectional communication line; the symbol indicates a bidirectional communication line.

Table. Codes of malfunctions of the SWS system.

• h) function of control of power windows of doors from the main switch of power windows;
• And) side door power window control function from auxiliary power window switch;
• To) power window delay function after the ignition is turned off;
• l) the function of fully lowering or raising the glass of the driver's door;
• m) function to prevent pinching by the glass of the side door;
• n) function of remote control of the central lock from the key fob-transmitter;
• O) function of confirming the operation of the remote control of door locks (switching on direction indicators and interior lighting);
• P) sunroof control function;
• R) sunroof power off delay function after ignition off;
• With) sunroof prevention function;
• T) control function for windscreen wipers and washers of the windshield and rear windows (all modes), headlight washer;
• at) power side mirror control function;
• f) function of folding of lateral rear-view mirrors with the electric drive;
• X) ignition switch backlight control function;
• h) the function of controlling the dimensions and headlights of the dipped and main beam;
• w) function of automatic inclusion of headlights and dimensions;
• sch) control function for side direction indicators and alarms;
• uh) interior lighting control function;
• Yu) function of automatic shutdown of interior lighting;
• I) multifunction display control function.

Reading and deleting fault codes

Reading and deleting fault codes of the SWS system is carried out only with the help of a tester. The procedure for reading codes using a tester is given in chapter "fuel injection system (MPI)".

Note: description of fault codes is given in the table "SWS System Fault Codes"

Checking the signals of the SWS system with a tester

Note: this test is performed to check the presence of signals from sensors and switches (ignition lock, ignition key presence sensor, side door limit switches, hood limit switch, etc.).

Connect a tester and check for signals from the breaker under test using the corresponding function. Switch operation must be confirmed by an audible signal from a buzzer.

If the switch does not operate normally, troubleshoot.

Checking the voltage at the terminals of the connectors of the system components

Note: The system consists of the following components: ETACS ECU, Steering Combination Switch Controller, Electrical Control Unit, Power Window and Power Window Master Switch

1. Measure the voltage between you waters "masses" and each corresponding output.

2. Checked outputs are indicated in the corresponding tables of voltage tests on the outputs of the connectors.

3. The location of the pins is shown in the corresponding figures.

Table for checking the voltage at the terminals of the electronic control unit for the ETACS system.

Note: in the table (*¹) - only models produced before 05.2001; (*²) - only for sedan models; (*³) - only for station wagon models.

Table for checking the voltage at the outputs of the stalk combination switch controller.

Table for checking the voltage at the terminals of the electrical control unit.

Table for checking the voltage at the terminals of the main power window switch (power window controller).

Table for checking the voltage at the power window terminals (power window controller).

Table for checking the voltage at the terminals of the sunroof electric drive (sunroof controller).