Auxiliary Air Control (AAC) Valve Circuit

n�a2Auxiliary Air Control (AAC) Valve Circuit Diagnostic Chart:

CIRCUIT TEST IMAGE

Circuit Diagram:

CIRCUIT DIAGRAM IMAGE

Connector Location:

AAC VALVE CONNECTOR IMAGE

Alternative AAC Test Method:

ALTERNATE METHOD
The following is an alternate method of providing the AAC valve fully closed signal.
1. Access the connector for the checker box, located above the hood release handle.
2. Using a suitable jumper wire, connect terminals #2 and #3.
This will close the AAC valve.
3. Removing the jumper will open the valve.