Engine Will Not Crank - Toyota 1C Repair Manual

ENGINE MECHANICAL - Diesel Engine Diagnosis
EM -3
DIAGNOSIS
PRECAUTION:
1. The basic troubleshooting procedures for the diesel engine itself (valve clearance, compressio11.
bear-
ings, valves, pistons. etc.} are the same checks you would make for a gasoline eng ine.
2.
The
repair
of the
Injection
poo,p
requires considerable
skiU and use of a special test
bench.
1. LOOSE OR CORRODED
BATTERY CABLE S
2. DISCHARGED BATTERY
ENGINE WILL NOT CRANK
(Chec k Procedure and Correction Method)
Check cables from battery to st~er
and matte
necessary repairs.
Check a.ltemator output and the drive
belt
Repair as necessary . (See page CH-4)
I
3. INOPERAT I VE
START ER
:1-- - --........j
Check for battery voltage at starter termina ls
30
and
50.
If Okay,
see
STARTING SYSTEM, page
(ST -11 or 12) for repair procedure .
ENGINE CRANKS SLOWLY-WILL NOT START
(Possi b le Cause)
1.
LOOSE OR CORRODED
BATTERY CABLES
NOTE: Minimum cranking speed:
100
rpm Cold
150
rpm Hot
(Check
Procedure and CorTectlon Method)
L..: 2::...
_: D :,: l ::_SC=-:_ H=A::.:R::G:: E::D~B::A:..:TT.::..:..:E::R.:_Y:._J- ----7 Refer to items
1
and
2
of ENGINE
WILL
NOT CRANK.
I
3. IMPROPER ENGINE
OIL
1
1------
Check engine oil.
If improper viscosity, drain and refill with oil of
viscosity recommended by manufacturer. (See page
LU-3)