During operation, the ignition switch undergoes both large mechanical and electrical loads, therefore, the contact or mechanical part of the lock fails.
To replace the ignition switch, you will need a 10 socket head, screwdrivers, a thin sharpened chisel, a hammer, and new bracket mounting bolts.
Disconnect the negative terminal of the battery.
Removing the steering wheel
Unscrew the two screws in the grooves of the lower part of the casing
Pull up and remove the upper part of the casing
Unscrew the two screws securing the lower part of the casing to the steering column
Remove the bottom of the casing
Unscrew the four screws securing the steering column switches
Removing the screws from the holes
Remove the lower decorative trim of the instrument panel
Disconnect the white color block of the wires of the left steering column switch
We also disconnect the black block of wires of the right steering column switch
Removing the switch block
Disconnect the block of wires of the instrument switch
It is necessary to remove the elements described above in order to gain access to the bolts of the ignition lock.
With a chisel, unscrew the two shear-head bolts
Remove the ignition switch
Install the ignition switch in reverse order using new bolts.
In order to replace the contact group of the switch:
- disconnect the negative terminal from the battery
When removing the retaining ring, it is possible that the terminals of the contact group are accidentally closed by a tool or ring.
In this case (if the battery is connected) an unauthorized start of the engine may occur! And if at this moment the gear is also switched on, then the car can start spontaneous movement.
Removing the lower decorative panel
Disconnect the instrument switch wiring harness block
Use a thin screwdriver to pry the retaining ring
Remove the retaining ring
Extracting the contact group
After removing the contact group from the switch body, the spring of the starter interlock pawl may fall out when the engine is running. Don't lose it. The interlock will not work without a spring.
Before installing the contact group in the switch housing, squeeze the starter interlock pawl with the engine running.
To do this, through the technological hole in the body, press with a thin pin on the dog's stop
Keeping the dog in the wrung-out state, install the contact group in the reverse order of removal.
The retaining ring must fit securely into the groove in the switch bracket.
If the new terminal block does not have a wiring harness, unsolder the wires from the terminals of the terminal group to be replaced and solder them to the terminals of the new terminal block in the following order:
1 - white wire to pin 50;
2 - red wire to terminal 15-1;
3 - pink wire to terminal 30-1;
4 - brown wire to terminal 15-2;
5 - yellow wire to terminal 30.