Operation CHARM: Car repair manuals for everyone.

P1506

Detection Condition:






Troubleshooting Hint :
IAC description
- For the optimum idle speed control, the PCM selects one of several target airflow settings in the PCM according to the engine conditions, and converts the target airflow into IAC valve actuation time and controls the valve opening Position.


IAC Duty Control:






Diagnostic Procedure (Steps 1 - 8):




Diagnostic Procedure (Steps 9 - 11):