EM-5
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)
(Check Procedure and Correction Method)
1. LOOSE OR CORRODED
BATTERY CABLES
Check cables from battery to starter and make nec-
essary repairs.
2. DISCHARGED BATTERY
Check alternator output and drive belt.
If necessary, repair. (See page CH-5)
3. INOPERATIVE STARTER
Check for battery voltage at starter terminals 30 and
50.
If Okay, see STARTING SYSTEM for repair proce-
dure, (see page ST-15)
ENGINE CRANKS SLOWLY-WILL NOT START
HINT: Minimum cranking speed:
Cold HZJ80 (A/T) and HDJ80 (A/T) 110 rpm
Others 100 rpm
Hot 150 rpm
(Possible Cause)
(Check Procedure and Correction Method)
1. LOOSE OR CORRODED
BATTERY CABLES
2. DISCHARGED BATTERY
3. IMPROPER ENGINE OIL
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)
Summary of Contents for 1HD-T
Page 1: ......
Page 53: ...EM 42 ENGINE MECHANICAL Timing Gears TIMING GEARS COMPONENTS ...
Page 65: ...EM 54 ENGINE MECHANICAL Cylinder Head CYLINDER HEAD COMPONENTS ...
Page 95: ...EM 84 ENGINE MECHANICAL Cylinder Block CYLINDER BLOCK COMPONENTS ...
Page 133: ...TURBOCHARGER SYSTEM Turbocharger TC 9 COMPONENTS ...
Page 145: ...FU 6 FUEL SYSTEM Fuel Heater System FUEL HEATER SYSTEM SYSTEM CIRCUIT ...
Page 166: ...FUEL SYSTEM Injection Pump FU 27 INJECTION PUMP REMOVAL OF INJECTION PUMP ...
Page 169: ...FU 30 FUEL SYSTEM Injection Pump COMPONENTS ...
Page 170: ...FUEL SYSTEM Injection Pump FU 31 COMPONENTS Cont d ...
Page 171: ...FU 32 FUEL SYSTEM Injection Pump COMPONENTS Cont d ...
Page 251: ...LU 4 LUBRICATION SYSTEM Troubleshooting TROUBLESHOOTING ...
Page 255: ...LU 8 LUBRICATION SYSTEM Oil Pump OIL PUMP COMPONENT ...
Page 272: ...ST 4 STARTING SYSTEM Pre Heating System Super Glow Type TIMER CHARACTERISTIC DIAGRAM Cont d ...
Page 282: ...ST 14 STARTING SYSTEM Starting System Circuit STARTING SYSTEM CIRCUIT Cont d ...
Page 340: ...B 1 STANDARD BOLT TORQUE SPECIFICATIONS Page STANDARD BOLT TORQUE SPECIFICATIONS B 2 ...
Page 343: ...C 1 SSTAND SSM Page SST SPECIAL SERVICE TOOLS C 2 SSM SPECIAL SERVICE MATERIALS C 6 ...