2007 ISUZU KB P190 Engine

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Page 3356 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–78 
 
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 the

Page 3357 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–79 
 
• The TP sensor 2 signal voltage is 0.15 – 4.8 V. 
DTC P0222 runs continuously once the following conditions are met:  
•  The battery

Page 3358 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–80 
 
Test Description 
The following number refers to the step number in the diagnostic table:  
6  Measures the integrity of the TP sensor low r

Page 3359 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–81 
 
Step Action  Yes No 
7 
NOTE 
TP sensor 1 share the 5 V reference circuit with TP sensor  
2. A fault condition in the TP sensor 5 V referen

Page 3360 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–82 
 
• DTC P0131 – O2 Sensor Circuit Low Voltage (Bank 1, Sensor 1) 
•  DTC P0132 – O2 Sensor Circuit High Voltage (Bank 1, Sensor 1)

Page 3361 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–83 
 
The pumping current required to maintain the HO2S 1 signal circuit voltage to about 450 mV is proportional to the level  
of oxygen concentr

Page 3362 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–84 
 
• The calculated exhaust temperature is 250ºC – 800ºC. 
•  The engine coolant temperature is less than 40ºC at start-up and greater

Page 3363 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–85 
 
• The MAF sensor is greater than 10 g/s. 
DTC P2297 and P2298 
Condition 1 
Run continuously once the following conditions are met:  
•