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I
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ENGINE MECHANICAL
-
Diesel Electrical System Diagnosis
[38]
EM-13
DTESEL
ELECTRTCAL
SYSTEM
D|AGNOSTS
[3B]
ENGINE DOES NOT
START COLD
HINT: 1 . Battery voltage
at
least 12 volts
lor
24 volts)
-
ignition
switch OFF.
2. Engine
cranks
normally.
3.
Fusbible link
okay.
4.
Check
the voltage marked with an asterisk
(*)just
as the
ignition
switch
is
placed
at ON
because
the voltage will
change
with elapse of time.
1 . Pre-heating
System
lSuper
Glow
Type]
No
Fuse
Blown
Fuse OK
Bulb
No
Good
Bulb OK
No Voltage
Voltage
Pre-heating Timer
654
3 1
Check
ENGINE
(BJ)or
GAUGE
(BB)fuse.
Check
for
short
circuit and
repair if
necessary.
Check
if indicator light lights
up
with
ignition
switch
ON.
Coolant
temp. Approx. 2OoC
(680F):
Approx. 2
seconds
Check
indicator light bulb.
Check
for
battery voltage to terminal 3 of
pre-heating
timer
connector
(on
wire harness
side).
lf okay,
pre-heating
timer
is
faulty and should be
replaced.
Check that is 1 V between terminals 9 and 6.
lf faulty,
repair
glow
plug.
lf
okay, timer
is faulty
and should be
replaced.
*
Check
for
battery
voltage
to terminal
1 of
pre-heating
timer with ignition
switch
ON.
Start the engine and check,/if there
is
a
voltage at
terminal 9
of
pre-heating
timer.
lf faulty, repair
charging system as
necessary.
lf
okay, timer
is faulty
and should be
replaced.
Check
if voltage
to terminal 1 of
pre-
heating timer is terminated
after engine
is
started.
9
CONTINUED ON
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