64
Gasoline Injection System with microprocessor-
Controlled Fuel Feed and Ignition (Fig. 9.6)
Precautions
1. Before disassembling and assembling any parts or cables of the
steering system disconnect a mass wire from the battery.
2. DO nOT start the engine without a safe battery and ground wire
connection between the engine and the bodyshell.
3. DO nOT disconnect the battery from the onboard power supply
with the engine running.
4. To charge the battery from an external source disconnect the battery
from the onboard power supply.
5. The control unit may not be exposed to temperatures above 80°С,
e.g. in an oven drier.
6. Prior to arc welding operations, disconnect the battery wire and
the control unit connector.
7. To prevent rusting of pins during vapour cleaning, do not direct
the nozzle to the system components.
8. Electronic elements of the control systems use extremely low
voltage and can be damaged by electrostatic charges.
ATTENTION!
For access to the fourth cylinder spark plug remove
a plug on the hood rear panel.
9. The fuel supply system from the electric fuel pump to the
proportioning valve at the running engine is under pressure of 3 kgf/cm
2
.
ATTENTION!
Fuel line joints cannot be loosened or tightened with
the engine running or immediately after its stop.
Fig. 9.7. high-voltage wires installation sequence
1, 2, 3, 4 — numbers of engine cylinders