KM81 - Check A/C Relay

A/C Relay:

- Key "OFF".

- A/C relay disconnected.

- Measure resistance between power-to-clutch pin and both the IGN RUN and B+ pins at the A/C relay.

- Are both resistances greater than 10,000 ohms?

Yes -- Electronic Engine Controls (EEC) system OK. Refer to Heating and Air Conditioning.

No -- Replace A/C relay. Reconnect all components. Re-evaluate symptom.