1.1. Switch off the ignition.
1.2. Disconnect electrical connector (4) pressure control valve (3).
1.3. Connect a compression tester (1). To do this, in turn, you need to perform the following steps.
1.3.1. Remove the relay and fuse box cover.
1.3.2. Remove starter relay (5).
1.3.3. Connect the wire terminal of the compression tester to the socket (6).
1.3.4. Connect the other terminal of the device to the terminal «+».
1.3.5. Disconnect the device in reverse order.
1.4. Rotate the engine with the starter by pressing the button (2) on a compression tester (1).
1.5. Unplug your device (1).
1. Compression tester; 2. Starter activation button; 3. Pressure regulator valve; 4. Pressure regulator valve connector; 5. Starter relay; 6. Nest; 7. Terminal
2. Check poly V-belt for wear and damage
VN 1.008
A. New V-ribbed belt
B. Worn V-ribs of the belt - the edges are pointed (the new one has a chamfer in the shape of a trapezoid)
C. Cords protrude to the surface of the edges of the belt
D. Cross cracking of the rubber on the back of the belt
E. V-ribs are torn from the base of the belt
F. Cord wear
G. Cord burrs present
H. Transverse cracks on the working surface
J. Destruction of wedge ribs
K. Separate ruptures of wedge ribs
L. Dirt or small stones embedded in the fin material
M. Rubber defects at the base of the ribs
3. If the damage described above is present, replace the belt