Engine-Codes
 
OBDII Code List
 
P1509 1997 HONDA CIVIC

P1509 1997 HONDA CIVIC - Idle Air Control Valve System High RPM

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What does this mean?

P1509 1997 HONDA CIVIC Possible Causes

  • Faulty Idle Air Control Valve
  • Idle Air Control Valve harness is open or shorted
  • Idle Air Control Valve circuit poor electrical connection

First diagnose P1509 1997 HONDA CIVIC code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.

Cost of diagnosing the P1509 1997 HONDA CIVIC code

    Labor: 1.0

    The cost of diagnosing the P1509 1997 HONDA CIVIC code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

P1509 1997 HONDA CIVIC Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Engine rough idle

P1509 1997 HONDA CIVIC Meaning

The target idle speed is in the Engine Control Module (ECM) memory for various engine conditions (coolant temperature, A/C operation and so on). The ECM keeps the actual idle speed at the target idle speed by switching the Idle Air Control Valve IACV) ON/OFF to control the intake airflow. If the IACV output duty cycle (the length of ON time) is out of a specified range, a malfunction is detected and a DTC is stored.
OBDII Code P1509 1997 HONDA CIVIC - Idle Air Control Valve System High RPM - Engine-Codes.com

P1509 1997 HONDA CIVIC More Information

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