Isuzu N-Series. Service manual — part 644
TURBOCHARGER 6G-9
REASSEMBLY
Reassembly Steps
1. Center Housing and Rotating Assembly
2. Compressor Housing
3. Bolt
1) Apply Threebond 1215 (1) or equivalent to
flange surface of compressor housing shown in
the illustration.
2) Align the setting marks (applied at disassem-
bly) on the center housing and rotating assem-
bly and the compressor housing.
Handle the parts with extreme care to avoid
damaging the compressor wheel blades.
3) Apply and anti-seizing agent (LOCTITE ANTI-
SEIZE LUBRICANT or the equivalent) to the
new bolt threads.
4) Install the new bolts to the compressor hous-
ing.
5) Tighten the bolts to the specified torque.
Tighten:
• Compressor housing bolt to 4.7 N
⋅m (0.5 kg⋅m / 3.5
lb
⋅ft)
4. Turbine Housing
5. Lock Plate and Bolt
1) Align the setting marks (applied at disassem-
bly) on the center housing and rotating assem-
bly and the turbine housing.
Handle the parts with extreme care to avoid
damaging the turbine shaft wheel blade.
2) Apply and anti-seizing agent (LOCTITE ANTI-
SEIZE LUBRICANT or the equivalent) to the
bolt.
3) Tighten the bolt to the specified torque.
Tighten:
• Turbine housing bolt to 28.0 N
⋅m (2.85 kg⋅m / 20.6
lb
⋅ft)
4) Check that the rotating assembly turns smooth-
ly.
N6A3614E
N6A3615E
N6A3627E
6G-10 TURBOCHARGER
IHI SERVICE NETWORK
For inquiries relating to turbochargers, please contact your ISUZU distributor or the nearest IHI Turbocharger Service
Facility.
HEADQUARTERS
ISHIKAWAJIMA HARIMA HEAVY INDUSTRIES CO., LTD.(IHI)
General Machinery Division
Tokyo Chuo Building 1-6-2 Marunouchi Chiyoda-ku
Tokyo 100-0005 JAPAN
TEL: 81-(3)-3286-2405 to 2407 (3 lines)
FAX: 81-(3)-3286-2430
CHINA
IHI BEIJING OFFICE
Room 705, China World Trade Center, No. 1 Jian Guo Men Wai Avenue
Beijing, People’s Republic of CHINA
Beijing, People’s Republic of CHINA
TEL: 86-(1)-505-4997, 0408
FAX: 86-(1)-505-4350
TLX: 210343 IHIPK CN
TAIWAN
IHI TAIPEI OFFICE
Room 1202, Chia Hsin Building, No. 96 Chung Shan North Road, Section 2, Taipei, TAIWAN
TEL: 886-(2)-542-5520, 5521, 5523
FAX: 886-(2)-542-4362
TLX: 11320 IHICO
THAILAND
IHI BANGKOK OFFICE
8th Floor, Thaniya Building, 62 Silom Road, Bangkok, THAILAND
TEL: 66-(2)-236-3490, 7356, 9099
FAX: 66-(2)-236-7340
TLX: 82375 IHICO TH
MALAYSIA
IHI KUALA LUMPUR OFFICE
Letter Box No. 52, 22nd Floor, UBN Tower, 10 Jin. P. Ramlee 50250 Kuala Lumpur, MALAYSIA
TEL: 60-(3)-232-1255, 1271
FAX: 60-(3)-232-1418
TLX: IHI KLMA 20257
INDONESIA
IHI JAKARTA OFFICE
9th Floor, Skyline Building JI. M. H. Thamrin, No. 9, Jakarta, INDONESIA
TEL: 62-(21)-32-2147, 390-2211
FAX: 62-(21)-32-3273
TLX: 44175 IHIJKT
International Service & Parts
Tokyo, Japan
WORKSHOP MANUAL
N-SERIES
ENGINE
SECTION 6E
Engine Control System (4HK1) 6E-1
ENGINE
Engine Control System (4HK1)
TABLE OF CONTENTS
Specifications . . . . . . . . . . . . . ... 6E-3
Temperature vs Resistance . . . . . . . .. 6E-3
Altitude vs Barometric Pressure. . . . . . 6E-3
Schematic and Routine Diagrams. . . . . . 6E-4
Engine Controls Schematics . . . . . . . . 6E-4
Ground Distributions . . . . . . . . . ... 6E-19
Component Locator. . . . . . . . . . . 6E-20
Engine Controls Component Views . . . . 6E-20
Engine Control Module (ECM) Connector End Views
. . . . . . . . . . . . . . . . . . 6E-30
Engine Controls Connector End Views . . ... 6E-33
Diagnostic Information and Procedures . . . . 6E-41
General Service Information . . . . . . ... 6E-41
Tech 2 Scan Tool . . . . . . . . . . . 6E-42
Tech 2 Data List . . . . . . . . . . . .. 6E-43
Tech 2 Data Definitions. . . . . . . . ... 6E-45
Tech 2 Output Controls . . . . . . . . ... 6E-48
Breaker Box . . . . . . . . . . . . . 6E-49
Engine Control System Check Sheet. . . .. 6E-51
Diagnostic Starting Point – Engine Controls ... 6E-52
Diagnostic System Check – Engine Controls.. 6E-52
Tech 2 Does Not Communicate with Keyword Device
. . . . . . . . . . . . . . . . . . 6E-55
Symptoms – Engine Controls. . . . . . ... 6E-310
Symptoms – Engine Controls. . . . . . 6E-310
Intermittent Conditions . . . . . . . . .. 6E-311
Hard Start. . . . . . . . . . . . . .. 6E-312
Rough, Unstable, or Incorrect Idle And Stalling
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