Air Conditioning Switch: Testing and Inspection

AIR CONDITIONING SWITCH CHECK
1. Remove the air conditioning switch with connector still connected.






2. Measure voltage between terminal 4 of NC switch (I10) connector and body ground when blower switch is on and off. If not ok, check fuse No.18 and blower circuit. If ok, perform next check






3. Disconnect the I10 connector from the air conditioning switch.
4. Check continuity between terminal 4 and 5 of air conditioning switch. If not ok, replace the air conditioning switch.