Frequency Solenoid Valve A

Civic 1500 & CRX Exc. HF
1. Disconnect air hose between air control valve A and frequency solenoid valve A at the control valve, then blow air into the hose.
2. If air does not flow, proceed to step 3. If air flows, replace frequency solenoid valve A and repeat test.
3. Apply battery voltage to frequency solenoid valve A green/white wire terminal, then blow air from air suction hose. Air should flow.
4. If air flows, frequency solenoid valve A is satisfactory, check frequency solenoid valve B. If air does not flow, replace frequency solenoid valve A and repeat test.