17
IGNITION AND INJECTION
17 - 9
REGULATOR OF IDLE RUNNING
This regulator (
drawing 1, position 9
) is used to position the valve in order to obtain
the idle rotation. It is mounted into a case together with a switch. The idle running is
realized at the moment of switch contact closing (
position 4
), being necessary to the
normal idle functioning or to the engine brake.
The computer sends an electric signal to the regulator through the pins
32
and
34
. The
regulator will position the valve in order to obtain the idle rotation (
800 ± 50 rot/min
).
Components:
1
- Electric motor step by step
2
- Endless screw
3
- Endless screwed wheel
4
- Switch
5
- Protection buffer
The switch connector and the idle motion actuator consist of:
1, 2
- Actuator supply
(
pin 32, pin 34 computer
).
3
- Idle motion switch
(
pin 8 computer
).
4
- Mass
By connecting an ohmmeter to the
connector wires 3 and 4, one can see that
the switch positions:
- CLOSE – functioning status,
continuity
- OPEN – stand-by status, R =
Reference values measured at the
connected wires:
R
3-4
= 0 – 200 Ù – contact close
R
3-4
> 1 MÙ– contact open
R
1-2
= 4 – 250 Ù
DESCRIPTION OF THE SYSTEM
vnx.su
Содержание 1304 2004
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