Harness Inspection

Step 1

IAC Valve Position Sensor Harness Inspection:

Step 2

IAC Valve Position Sensor Harness Inspection:

Step 3

IAC Valve Position Sensor Harness Inspection:

Step 4

IAC Valve Position Sensor Harness Inspection:

Troubleshooting Hints

Hint 1: The IAC valve position sensor is the most important sensor for controlling the idle speed. If a malfunction develops when the engine is idling and the engine load is varied by turning the air conditioning switch to ON and OFF, etc., this sensor is probably defective.