Toyota 1PZ Repair Manual page 16

ENGINE MECHANICAL - Troubleshooting (Diesel Engine Diagnosis)
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.
(Possible Cause)
1. LOOSE OR CORRODED
BATTERY CABLES
2. DISCHARGED BATTERY
3. INOPERATIVE STARTER
(Possible Cause)
1. LOOSE OR CORRODED
BATTERY CABLES
2. DISCHARGED BATTERY
3. IMPROPER ENGINE OIL
ENGINE CRANKS SLOWLY-WILL NOT START
HINT: Minimum cranking speed:
Cold HZJ80 (A/T) and HDJ80 (A/T)
Hot
(Check Procedure and Correction Method)
Check cables from battery to starter and make nec-
essary repairs.
Check alternator output and drive belt.
If necessary, repair. (See page CH-5)
Check for battery voltage at starter terminals 30 and
50.
If Okay, see STARTING SYSTEM for repair proce-
dure, (see page ST-15)
Others
(Check Procedure and Correction Method)
Check cables from battery to starter and make nec-
essary repairs.
Check alternator output and drive belt.
If necessary, repair. (See page CH-5)
Check engine oil.
If improper viscosity, drain and refill with oil of vis-
cosity recommended by manufacturer.
(See page LU-6)
EM-5
110 rpm
100 rpm
150 rpm