Isuzu 2008MY N Series Workshop Manual page 5

1A-2 Engine Control System (4HK1)
DTC P2453 (Flash Code 141) . . . . . . . . . . . . 1A-288
DTC P2454 or P2455 (Flash Code 47) . . . . . 1A-291
DTC P2456 (Flash Code 47) . . . . . . . . . . . . . 1A-296
DTC P2458 (Flash Code 139) . . . . . . . . . . . . 1A-298
DTC P253A (Flash Code 28) . . . . . . . . . . . . . 1A-301
DTC P256A (Flash Code 31) . . . . . . . . . . . . . 1A-304
DTC U0073 (Flash Code 84) . . . . . . . . . . . . . 1A-308
DTC U0101 (Flash Code 85) . . . . . . . . . . . . . 1A-312
DTC U0110 (Flash Code 87) . . . . . . . . . . . . . 1A-315
DTC U0167 (Flash Code 177) . . . . . . . . . . . . 1A-318
EGR Control System Check. . . . . . . . . . . . . . 1A-319
Glow Control System Check . . . . . . . . . . . . . 1A-323
Engine Warm Up Control System Check . . . . 1A-326
Exhaust Brake Control System Check . . . . . . 1A-329
Diesel Particulate Defuser (DPD)
Control System Check . . . . . . . . . . . . . . . . . 1A-336
Symptoms - Engine Controls . . . . . . . . . . . . . . 1A-342
Symptoms - Engine Controls . . . . . . . . . . . . . 1A-342
Intermittent Conditions . . . . . . . . . . . . . . . . . . 1A-344
Hard Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A-347
Rough, Unstable, or
Incorrect Idle and Stalling . . . . . . . . . . . . . . . 1A-349
High Idle Speed . . . . . . . . . . . . . . . . . . . . . . . 1A-352
Cuts Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A-353
Surges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A-355
Lack of Power, Sluggishness or Sponginess . 1A-357
Hesitation, Sag or Stumble. . . . . . . . . . . . . . . 1A-359
Abnormal Combustion Noise . . . . . . . . . . . . . 1A-361
Poor Fuel Economy . . . . . . . . . . . . . . . . . . . . 1A-362
Excessive Smoke (Black Smoke) . . . . . . . . . 1A-364
Excessive Smoke (White Smoke) . . . . . . . . . 1A-366
DPD System Manual Regeneration
Frequently . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A-368
DPD System Regeneration Long Time . . . . . 1A-370
Repair Instructions . . . . . . . . . . . . . . . . . . . . . . 1A-372
Engine Control Module (ECM) Replacement . 1A-372
Service Programming System (SPS)
Description . . . . . . . . . . . . . . . . . . . . . . . . . . 1A-374
Service Programming System (SPS)
(Remote Procedure) . . . . . . . . . . . . . . . . . . . 1A-375
Service Programming System (SPS)
(Pass-Thru Procedure) . . . . . . . . . . . . . . . . . 1A-376
Description and Operation . . . . . . . . . . . . . . . . 1A-378
Engine Control Module (ECM) Description . . 1A-378
Engine Control Component Description. . . . . 1A-381
Fuel System Description . . . . . . . . . . . . . . . . 1A-385
Fuel System Component Description. . . . . . . 1A-386
Fuel Injection System Description . . . . . . . . . 1A-390
Exhaust Gas Recirculation (EGR)
System Description . . . . . . . . . . . . . . . . . . . . 1A-390
Turbocharger Description. . . . . . . . . . . . . . . . 1A-392
Diesel Particulate Defuser (DPD)
System Description . . . . . . . . . . . . . . . . . . . . 1A-394
Special Tools and Equipment . . . . . . . . . . . . . . 1A-397
Special Tools and Equipment . . . . . . . . . . . . . 1A-397