Isuzu N 2008 Series Workshop Manual page 5

1A-2 Engine Control System (4JJ1)
DTC P2228 or P2229 (Flash Code 71) . . . . . 1A-259
DTC P242F (Flash Code 131) . . . . . . . . . . . . 1A-263
DTC P2452 (Flash Code 142) . . . . . . . . . . . . 1A-265
DTC P2453 (Flash Code 141) . . . . . . . . . . . . 1A-268
DTC P2454 or P2455 (Flash Code 47) . . . . . 1A-271
DTC P2456 (Flash Code 47) . . . . . . . . . . . . . 1A-276
DTC P2458 (Flash Code 139) . . . . . . . . . . . . 1A-278
DTC P2527 or P2528 (Flash Code 233) . . . . 1A-281
DTC P253A (Flash Code 28) . . . . . . . . . . . . . 1A-286
DTC P256A (Flash Code 31) . . . . . . . . . . . . . 1A-289
DTC U0073 (Flash Code 84) . . . . . . . . . . . . . 1A-293
DTC U0101 (Flash Code 85) . . . . . . . . . . . . . 1A-296
DTC U0167 (Flash Code 177) . . . . . . . . . . . . 1A-298
EGR Control System Check. . . . . . . . . . . . . . 1A-299
Glow Control System Check . . . . . . . . . . . . . 1A-303
Engine Warm Up Control System Check . . . . 1A-306
Exhaust Brake Control System Check . . . . . . 1A-309
Diesel Particulate Defuser (DPD)
Control System Check . . . . . . . . . . . . . . . . . 1A-315
Symptoms - Engine Controls . . . . . . . . . . . . . . 1A-321
Symptoms - Engine Controls . . . . . . . . . . . . . 1A-321
Intermittent Conditions . . . . . . . . . . . . . . . . . . 1A-323
Hard Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A-326
Rough, Unstable, or
Incorrect Idle and Stalling . . . . . . . . . . . . . . . 1A-328
High Idle Speed . . . . . . . . . . . . . . . . . . . . . . . 1A-330
Cuts Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A-331
Surges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A-332
Lack of Power, Sluggishness or Sponginess . 1A-334
Hesitation, Sag or Stumble. . . . . . . . . . . . . . . 1A-336
Abnormal Combustion Noise . . . . . . . . . . . . . 1A-338
Poor Fuel Economy . . . . . . . . . . . . . . . . . . . . 1A-339
Excessive Smoke (Black Smoke) . . . . . . . . . 1A-341
Excessive Smoke (White Smoke) . . . . . . . . . 1A-343
DPD System Manual Regeneration
Frequently . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A-345
DPD System Regeneration Long Time . . . . . 1A-347
Repair Instructions . . . . . . . . . . . . . . . . . . . . . . 1A-349
Engine Control Module (ECM) Replacement . 1A-349
Service Programming System (SPS)
Description . . . . . . . . . . . . . . . . . . . . . . . . . . 1A-351
Service Programming System
(SPS) (Remote Procedure) . . . . . . . . . . . . . . 1A-352
Service Programming System (SPS)
(Pass-Thru Procedure) . . . . . . . . . . . . . . . . . 1A-353
Description and Operation . . . . . . . . . . . . . . . . 1A-355
Engine Control Module (ECM) Description . . 1A-355
Engine Control Component Description. . . . . 1A-358
Fuel System Description . . . . . . . . . . . . . . . . 1A-362
Fuel System Component Description. . . . . . . 1A-363
Fuel Injection System Description . . . . . . . . . 1A-367
Exhaust Gas Recirculation (EGR)
System Description . . . . . . . . . . . . . . . . . . . . 1A-368
Turbocharger Description. . . . . . . . . . . . . . . . 1A-369
Diesel Particulate Defuser (DPD)
System Description . . . . . . . . . . . . . . . . . . . . 1A-372
Special Tools and Equipment . . . . . . . . . . . . . . 1A-375
Special Tools and Equipment . . . . . . . . . . . . . 1A-375