2007 ISUZU KB P190 indicator

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Page 1945 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6E-328   ENGINE CONTROL SYSTEM (4JK1/4JJ1)
Hard Start
ChecksAction
Definition: 
The engine cranks OK, but does not start for a long time. The engine does eventually run, or may start but immediately d

Page 1947 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6E-330   ENGINE CONTROL SYSTEM (4JK1/4JJ1)
Rough, Unstable, or Incorrect Idle and Stalling
ChecksAction
Definition: 
Engine runs unevenly at idle. If severe, the engine or vehicle may shake. Engine id

Page 1950 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE CONTROL SYSTEM (4JK1/4JJ1)   6E-333
Cuts Out
ChecksAction
Definition: 
A constant jerking that follows the engine speed, usually more pronounced as the engine load increase. The exhaust has a

Page 1951 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6E-334   ENGINE CONTROL SYSTEM (4JK1/4JJ1)
Surges
ChecksAction
Difinition: 
The engine has a power variation under a steady throttle or cruise. The vehicle seems to speed up and slow down with no  
ch

Page 1954 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE CONTROL SYSTEM (4JK1/4JJ1)   6E-337
Fuel System ChecksInspect the fuel system for the following conditions. Refer to Fuel System Check chart
and appropriate procedure in the Fuel System section

Page 1956 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE CONTROL SYSTEM (4JK1/4JJ1)   6E-339
Fuel System ChecksInspect the fuel system for the following conditions. Refer to Fuel System Check Chart
and appropriate procedure in the Fuel System section

Page 1970 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE CONTROL SYSTEM (4JK1/4JJ1)   6E-353
Description and Operation
Engine Control Module (ECM) Description
Engine Control Module (ECM) Service Precautions
Important:The symbol ! warns you of an elec

Page 1971 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6E-354   ENGINE CONTROL SYSTEM (4JK1/4JJ1)
ECM Input & Output 
ECM Voltage Description 
The ECM supplies a buffered voltage to various 
switches and sensors. The ECM can do this because
resistance in