2007 ISUZU KB P190 indicator

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Page 3400 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–122 
 
P0158, P0159, P0160, P0161, P0221, P0222, P0223, P0300, P0301-P0306, P0443, P0458, P0459, P0496,  
P167A, P167B, P2096, P2097, P2098, P2099

Page 3438 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–160 
 
Step Action  Yes 
No 
5 Repair the high resistance or open circuit fault condition in the battery  
voltage circuit of the engine control r

Page 3439 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–161 
 
Conditions for Clearing the DTC 
DTC P0700 – Malfunction Indicator Request from TCM is a Type A DTCs. Refer to 1.4  Diagnostic Trouble Co

Page 3443 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–165 
 
Step Action  Yes 
No 
10 1  Using Tech 2, clear the DTCs.  
2  Switch off the ignition for 30 seconds. 
3  Start the engine. 
4  Operate th

Page 3448 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–170 
 
Step Action  Yes 
No 
7 Using Tech 2, select the DTC display function.  
Does Tech 2 display any DTCs?  Go to the 
appropriate DTC 
Table i

Page 3453 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–175 
 
Action Taken When the DTC Sets 
• The ECM activates the malfunction indicator lamp (MIL) on the second consecutive ignition cycle that th

Page 3463 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–185 
 
Conditions for Setting the DTC 
• The Total Fuel Trim Avg. is more than 23 percent.  
•  The condition exists for 4 seconds.  
Action T

Page 3466 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–188 
 
7.52  DTC P2178 or P2180 
DTC Descriptors 
This diagnostic procedure supports the following DTCs:  
•  DTC P2178 Fuel Trim System Rich at