Toyota 3L - Engine Cranks Slowly - will Not Start; Engine will Not Crank

ENGINE MECHANICAL - Troubleshooting (Diesel Engine Diagnosis)
EM-5
PRECAUTION:
&
1.
The basic troubleshooting procedures for the diesel engine (valve clearance, compression, bearings,
valves, pistons, etc.) are the same checks you would make for gasoline engine.
2.
Repair of the injection pump requires considerable skill and use of a special test bench.
ENGINE WILL NOT CRANK
(Possible Cause)
(Check Procedure and Correction Method)
1. LOOSE OR CORRODED
BATTERY CABLES
I
Check cables from battery to starter and make nec-
essary repairs.
-
1 2. DISCHARGED BAT-
ENGINE CRANKS SLOWLY-WILL NOT START
Check alternator output and drive belt.
I f necessary, repair. (See page CH-3)
3. INOPERATIVE STARTER
1
HINT: Minimum cranking speed:
Cold 100 rpm
Hot
150rpm
Check for battery voltage
at starter terminals 30
and
50.
If okay, see STARTING SYSTEM for repair pro-
cedure.
,
(Possible Cause)
(Check Procedure and Correction Method)
Check alternator output and drive belt.
If necessary, repair. (See page CH-3)
1. LOOSE OR CORRODED
BATTERY CABLES
Check cables from battery to starter and make nec-
essary repairs.
7
3. IMPROPER ENGINE OIL i
Check engine oil.
If improper viscosity, drain and refill with oil of vis-
cosity recommended by manufacturer.
(See page
LU-4)