No.9 Airflow Mode Does Not Change

Possible Cause:

Diagnostic Procedure (Steps 1 - 4):

Steps 5 - 6:

When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while doing the inspection to discover whether poor contact points are the cause of any intermittent malfunctions. If there is a problem, check to make sure connectors, terminals and wiring harness are connected correctly and undamaged.