Usually the ignition switch is removed to replace it, as well as to replace the contact group of the switch or the APS coil

To check the ignition switch, sequentially set the key to the positions at which the circuits indicated in the table should be closed

Replacing the ignition switch

When the key is set to position “III”, the anti-theft device should turn on.

When the key is turned from position “III” to position “0”, the anti-theft device should turn off.

This can be checked by turning the steering wheel.

When starting again from position “I” to position “II”, the locking is activated.

The key can only be turned to position “II” from position “0”.

If there are defects, replace the contact group or ignition switch.

You will need: hammer, chisel, flat-blade screwdriver.

First of all, disconnect the negative terminal from the battery.

Remove the steering column switches.

Replacing the ignition switch

Ignition switch mounting bolts with cut heads.

Therefore, we unscrew them with a chisel.

As soon as the bolts are loosened, they can be unscrewed using pliers.

Replacing the ignition switch

Remove the bracket from the steering column

Replacing the ignition switch

Remove the ignition switch

Use a screwdriver to pry up the clamp of the APS coil wire block

Replacing the ignition switch

Disconnect the coil wire block from the APS block wire block

Replacing the ignition switch

Press the connector lock and disconnect the ignition switch contact block from the wiring harness block

Remove the anti-theft locking rod

Turn the key in the ignition switch

Replacing the ignition switch

Remove the locking rod drive. Remove the rod spring from the drive

Replacing the ignition switch

Remove the stopper with the spring

Replacing the ignition switch

Push the cylinder out of the switch body

Replacing the ignition switch

Take out the locking ball.

Replacing the ignition switch

Remove the cylinder from the switch body

Replacing the ignition switch

Remove the locking ball spring from the hole in the cylinder

Replacing the ignition switch

Use a screwdriver and disengage the two plastic latches of the wire block cover

Replacing the ignition switch

Open the connector cover.

Mark the wires located in the block

Replacing the ignition switch

Use an awl to bend the locking tendrils of the wire lugs

Replacing the ignition switch

Remove the wires from the connector

Replacing the ignition switch

Remove the insulating tube from the wires

Replacing the ignition switch

Use a screwdriver to squeeze the three plastic latches and remove the contact group from the body

Replacing the ignition switch

We bring out the wires through the holes in the housing

Replacing the ignition switch

Use a screwdriver to disengage the three plastic latches

Replacing the ignition switch

Disconnect the contact group

Replacing the ignition switch

Remove the moving part of the contact group

Replacing the ignition switch

Press the moving contact and turn it counterclockwise

Replacing the ignition switch

Remove the moving contact from the body

Replacing the ignition switch

Remove the contact spring

Replacing the ignition switch

Pry up the APS coil with a screwdriver

Replacing the ignition switch

Remove the APS coil.

Replacing the ignition switch

Assembly is carried out in reverse order

We install the moving part of the contact group so that the wide protrusion of the movable contact is located opposite the protrusion on the cover with the fixed contact

Replacing the ignition switch

The protrusion on the lock cylinder should fit into the recess on the body of the moving part of the contact group

Table

Key position - Live contacts - Switched circuits

“0”–off - 30 and 30/1 —

“I”–ignition - 30–INT - External lighting. Instrument lighting. High beam headlight alarm

30/1–15/1 - Generator excitation winding. Ignition system. Windshield cleaner. Direction indicators. Reversing light. Control devices

30/1–15/2 - Low and high beam headlights. Fog light. Headlight cleaners. Rear window cleaner. Heated rear window. Washer. Heater fan. Engine cooling fan

“II”–starter - 30–INT - See position I

30/1–15/1 - See position I

30–50 - Starter

“III”–parking - 30–INT - See position I

30/1–P - Parking light

new

The lubrication system diagram is shown in Fig. 1. Oil pressure in the lubrication system of a warm engine at low crankshaft speed 550–650 min -1

In the article we will consider possible malfunctions of the front axle of the UAZ-3151