Cleaning idle air control (IAC) valve connector

• Clean and grease engine control module (ECM) and idle air control (IAC) valve connectors.Contact resistance and oxidation .

Fig 1: Cleaning Idle Air Control (IAC) Valve Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

Do the fault symptoms persist? 

• YES 

  Refer to Fault-tracing information 

• NO 

  Refer to Fault-tracing information