check engine ISUZU KB P190 2007 Workshop Repair Manual

ISUZU KB P190 2007 Workshop Repair Manual KB P190 2007 ISUZU ISUZU https://www.carmanualsonline.info/img/61/57177/w960_57177-0.png ISUZU KB P190 2007 Workshop Repair Manual

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ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – General Information Page 6C1-1–35 
 
5  Abbreviations and Glossary of 
Te r m s  
Abbreviations and terms used in this Section are listed below in alphabetical order wit

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ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–1 
 
6C1-2 Engine Management – V6 
Diagnostics 
ATTENTION 
Before performing any service operation or other procedure described in this Section,

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ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–4 
 
1 General Information 
1.1  Diagnostic System Check 
The engine management diagnostic procedure is organised in a logical structure that begi

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ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–5 
 
• fuel trim DTCs, or 
•  catalyst DTCs. 
1.3 Symptoms Diagnostics 
The Diagnostic System Check directs the service technician to the symp

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ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–19 
 
• Do not start the engine if the battery terminal is not properly secured to the battery. 
•  Do not disconnect or reconnect the followi

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ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–20 
 
• Ensure the resistance between the ECM housing and the battery negative cable is less than 0.5  Ω. 
•  Check the ECM bracket fastener

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ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–21 
 
Step Action  Yes No 
7 Does Tech 2 display multiple DTCs? 
Go to Step 8 Go to the diagnostic 
table of the DTC 
displayed. Refer to  7.1 DTC

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ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–22 
 
5 Symptoms Diagnostics 
5.1  Symptoms Diagnosis Table 
Step Action  Yes No 
1 Has the Diagnostic System Check been performed? 
Go to Step 2

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ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–23 
 
• there is no Current DTC but a History DTC is stored. 
Diagnostic Table  
Checks Actions 
Preliminary 
• Perform the preliminary checks

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ISUZU KB P190 2007  Workshop Repair Manual Engine Management – V6 – Diagnostics Page 6C1-2–24 
 
Checks Actions 
Temperature Related  Temperature related intermittent fault condition occurs only when the engine or ambient 
temperature is