Datsun C210 series Manual page 435

Condition
Pointer
indicates
only
P
position
Fuel level gauge does
not operate
accurately
Oil
pressure gauge
Oil
pressure gauge
does not
operate
Meter
indicates
only
maximum
pressure
Body
Electrical
System
Probable
cause
Faulty
fuel
gauge tank unit
Pointer drops
below E
mark when igni
tion switch is turned off
Faulty
fuel
level gauge
Pointer still indicates F position when
ignition
switch is turned off
Faulty fuel gauge tank unit
Pointer indicates
a
half
level when
a
32f
resistance is connected
between fuel
gauge
tank unit
yellow
wire and
ground
Faulty fuel level
gauge
Poor
or
loose
connection
Long wheelbase model
Faulty
gauge voltage regulator
Gauge pointer
fluctuates
excessively
Faulty oil
pressure
sending
unit
or
loose
unit
terminal connection
Loose connection
or
open circuit
Faulty oil
pressure
sending unit
Meter
pointer
returns to its
original position
when
ignition switch
is
turned off
Faulty
oil
pressure gauge
Meter pointer
indicates maximum pressure
even
after
ignition
switch is turned off
OIL PRESSURE WARNING LAMP
Oil
pressure
warning
lamp
glows whenever engine oil
pressure
falls below
20 to 39 kPa 0 2
to
0 4
kg
cm2 2 8
to
5 7
psi
Condition
Lamp
does not light
when
ignition
switch
is set to
ON
Lamp
does
not
go
out
while
engine is being
operated
Probable
cause
Faulty
oil
pressure switch
or
loose
switch
terminal
connection
When
lead
wire
connected to switch
is
grounded warning
lamp
lights
Burnt bulb
or
loose
bulb
Loose connection
or
open circuit
Lack of
engine
oil
Oil
pressure too
low
Faulty
oil
pressure switch
BE
35
Corrective
action
Replace
Replace
Replace
Replace
fuel
level gauge
Correct connector
terminal
contact
Replace
fuel level gauge
Replace oil
pressure
sending
unit
or
correct
terminal connection
Check
wiring
and
or
repair
connection
Replace
Replace
Corrective action
Replace
or
correct connection
Rep
lace bulb
or
correct oulb socket
Check
wiring
and
or
repaif conne
i
n
Check oil level and add oil
as
required
Inspect engine
oil pressure sy
em
Replace