Air Injection Pump Relay: Testing and Inspection

Inspection (On-vehicle)
Check that a "clicking" sound is heard at the Air pump relay when turning the ignition switch ON and OFF.

B+: Battery Positive Voltage:

Continuity Inspection
1. Disconnect the air pump relay.
2. Apply Battery positive voltage and ground to terminals B and D of the relay.
3. Check continuity of the relay.