Technical Definition:

Secondary Air Injection System Switching Valve A Circuit Malfunction

Technical Description:

The Secondary Air Injection System (AIR) Switching Valve is the computer controlled valve that controls the air injection into the exhaust system of the engine (this valve may be integral to the AIR pump). This code deals with a problem on the circuit of the SOLENOID, not the operation of the AIR pump itself.

Possible Causes:

Possible Symptoms:

• MIL (Malfunction indicator lamp) illumination
• Increase in tailpipe emissions
• Engine running rich

Possible Solutions:

• Short to ground on control circuit
• Short to voltage on control circuit
• Control circuit open due to damage, etc.
• Open or short on battery feed circuit to solenoid
• Open or short on battery feed to relay control circuit

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes: