Air Injection Pump Clutch: Testing and Inspection

Magnetic Clutch Inspection
1. Connect the special service tool (SST) (Engine Signal Monitor Adaptor Harness) to the powertrain control module engine (PCME).
2. Turn ignition switch ON.
3. Short the PCME terminal 2J and verify that the magnetic clutch is OFF (released).
4. If the magnetic clutch does not turn OFF, check the air pump relay.
5. If the relay is OK, disconnect the air pump connector and check the continuity.
6. If not as specified, replace the air pump.




Continuity Inspection
1. Disconnect the air pump connector.
2. Check for continuity between terminals.
3. If no continuity, replace the air pump.