Symptom Checks

Check the following items:

*  Perform QUICK TEST. See the TESTS W/CODES - EEC-IV article. If code is present, use appropriate CIRCUIT TEST.

*  Ensure A/C system (demand switch) is on. Check voltage to A/C clutch. If voltage to A/C clutch is not present, go to step

90) of CIRCUIT TEST XB in the TESTS W/CODES - EEC-IV article. If voltage to A/C clutch is present, connect A/C manifold gauges and perform A/C system function test.