42
On GAZ5602 engine the actuating signals are additionally received by
fuel injection advance angle control servo mechanism.
For engine diagnostics the computer may be connected to the control unit
and the engine run is analyzed according to the special program.
Fig. 6.2
GAZ5601, 5602 Engine Control Diagram
A – to diagnostic connector; 1 – electronic control unit; 2 – accelerator pedal position sensor; 3
– air temperature sensor; 4 – engine speed sensor; 5 – glow plugs relay; 6 – fuel injection
advance angle control servo mechanism; 7 – servo mechanism position sensor; 8 – servo mecha
nism gear unit; 9 – supercharging air pressure sensor; 10 – glow plugs; 11 – rack position sensor;
12 – rack position sensor; 13 – coolant temperature sensor; 14 – fuel priming pump
Air
A
1
2
3
4
6
5
9
10
11
12
14
13
7
8
- pressure
Exhaust