Inspect Glow Plug; Inspect Water Temp. Sensor - Toyota 3b Repair Manual

STARTING SYSTEM
-
Pre-heati
[B and
Continuity
Glow Plug
INSPECT GLOW PLUG
Usinganohmmeter,checkthatthereiscontinuitybetween
the glow
Plug
terminal and ground.
lf there is no continuity, replace the glow plug'
HINT:
.
Be
careful not to damage the glow plug pipes as it could
cause an open circuit or shorten the life of the plugs'
o
Avoid getting oil
and gasoline on the glow plugs when
cleaning.
o
During inspection, use a
cloth be
sure to wipe any oil off
the glow plug terminals and bakelite washer'
.
Be careful not
to apply more
than 7 volts to the glow
plug as it could cause an open circuit'
Water Temp. Sensor
INSPECT WATER TEMP. SENSOR
Using
an
ohmmeter, check
the
resistance between the
water temp. sensor terminals.
Resistance: Refer
to the chart'
lftheresistanceisnotasspecified,replacethewater
temp. sensor.
.v
o)
()
c
(!
th
'6
c)
E
40
20
10
8
6
4
2
1
0.8
0.6
o.2
0.1
-20
(-4)
o 20
40
60
80
100 120
(32)
(68X1 04X1
40)(1 761.21
2l(2481
Temperature
oC
(oF)
Ft3524
FlO709
L.