Air Injection Pump Relay: Testing and Inspection

INSPECTION

1. Remove air pump relay from relay box in engine compartment.
2. Inspect air pump relay.
- Using an ohmmeter, check that there is continuity between terminals 1 and 3.
- Check that there is no continuity between terminals 2 and 4.
- If operation is not as described, replace the relay.
3. Inspect relay operation.
- Apply battery voltage across terminals 1 and 3.
- Using an ohmmeter, check that there is continuity between terminals 2 and 4.
- If operation is not as described, replace the relay.


*** UPDATED BY TSB #EG94001 DATED MAY 20, 1994 ***


Discontinued Mid 1994 production year. Models with production vin JT8UF11E4R0196973 or later, or have a production date later than 01/94 have no secondary air injection system. Always consult the ECS label to verify equipment required on the vehicle.