Chery automobile Service Manual page 472

The warning
lamp for
Oil warning
engine oil
lamp always
pressure is
on
always on
while driving.
of the plug of the fuel
meter sensor, and the 21#
socket of the connector of
the
instrumentation is open,
the route of the circuit is:
purple /black wire of the
plug of the fuel meter
sensor→ the 3# socket of
the connector M of the
relay plate → the #12
socket of the connect U1
of the relay plate → the
brown wire → the #21
socket of the connector of
the
instrumentation.
(5) If the circuit is on and
the brown wire is normal,
then there is malfunction
in the fuel meter.
(1) Malfunction Firstly identify whether the
of low pressure
switch (30KPa
switch).
(2) Low pressure
switch circuit is
short.
(3) Malfunction (1) When connecting the
of high pressure positive grid of the battery
switch (180kPa and
switch). switch with a diode testing
(4) High-pressure light, the latter will be
switch circuit is lighted. Start up the engine
open. and increase the speed
(5) Pressure in the slowly. When the pressure
lubricating oil reaches
circulation can diode-testing light should
not reach the be
specified indicates
requirement. low-pressure
faulty; run the engine at
idle
pressure
45KPa, the light-emitting
diode should be off. If the
pressure is lower than
15KPa, it indicates that the
lubricating
faulty.
T-32 T-1 T-1 T-1
combined
combined
lubricating system or
warning system is faulty.
This is normally done by
measuring the oil pressure
to diagnose the
malfunction.
the low-pressure
15-45KPa,
off. Otherwise
that
switch
speed, with
higher
system
the
it
the
is
oil
than
is