Renault 2000 Megane Technical Note page 71

DIESEL EQUIPMENT
Thermal plunger
If the battery voltage is > 13.5 volts
if not
Thermal plungers
not supplied
Thermal plungers
not supplied
Thermal plungers
not supplied
13-20
then
One thermal plunger
supplied
If after 20 seconds the battery
voltage is
> 13.5 volts
if not
if not
then
Two thermal plungers
supplied
If after 20 seconds
the battery voltage is
> 13.5 volts
then
Three thermal plungers
supplied if the battery
voltage is
> 13.5 volts and if the
conditions mentioned above
are fulfilled
13