Mitsubishi 6M70 - Intake and Exhaust

15-1
GROUP 15 MITSUBISHI 6M70 INTAKE
AND EXHAUST
SPECIFICATIONS ................................ 15-2
STRUCTURE AND OPERATION
1. Air Cleaner ...................................... 15-3
2. Turbocharger .................................. 15-4
3. Turbocharger Control System ......... 15-5
4. Diesel Particulate Filter.................... 15-8
TROUBLESHOOTING ......................... 15-9
ON-VEHICLE INSPECTION AND ADJUST-
MENT
1. Measurement and Adjustment of
Turbocharger Boost Pressure .......
15-10
2. Cleaning and Inspection of
Air Cleaner Element
...................... 15-12
3. Check for Looseness in Intake
Manifold Mounting Bolts and
Nuts
.............................................. 15-12
4. Check for Cracks and Gas
Leakage in Exhaust Manifold
........ 15-12
5. Check for Cracks and Gas
Leakage in Turbocharger
.............. 15-12
TURBOCHARGER CONTROL SYSTEM
1. Diagnosis Procedure ..................... 15-14
2. Diagnostic Precautions ................. 15-14
3. Inspections Based on
Diagnosis Codes
.......................... 15-15
4. Multi-Use Tester
Service Data
................................. 15-20
5. Actuator Tests by
Multi-Use Tester
............................ 15-20
6. Inspection of
Electrical Equipment
..................... 15-21
7. Installed Locations of Parts .......... 15-22
8. Electric Circuit Diagram ................ 15-30
AIR CLEANER ................................... 15-34
TURBOCHARGER ............................... 15-36
INTERCOOLER ................................... 15-48
INTAKE MANIFOLD............................ 15-50
EXHAUST MANIFOLD........................ 15-52
EXHAUST PIPE
<FS>...................................................... 15-54
<EXCEPT FS>....................................... 15-56
DIESEL PARTICULATE FILTER
<FS>................................................... 15-58
<EXCEPT FS> .................................... 15-60