Component Inspection

INSPECTION

1. A/C Switch: INSPECT A/C INDICATOR OPERATION




a. Connect the positive (+) lead from the battery to terminal 6 and negative (-) lead to terminal 4.
b. Push the button in and check that the A/C indicator lights up.
If operation is not as specified, replace the A/C switch.




c. Connect the positive (+) lead from the battery to terminal 3 and check that the indicator dims.
If operation is not as specified, replace the NC switch.







2. w/ A/C Models: INSPECT A/C SWITCH CONTINUITY
If continuity is not as specified, replace the NC switch




3. INSPECT FRESH/RECIRC SWITCH INDICATOR OPERATION
a. Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 8.
b. Push the fresh/recirc switch in and check that the indicator lights up.
If operation is not as specified, replace the fresh/recirc switch.




4. INSPECT DIMMING OPERATION
a. Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 8.
b. Push the fresh/ recirc switch, then the indicator lights up.
c. Connect the positive (+) lead from the battery to terminal 5 and then check that the indicator dims.
If operation is not as specified, replace the fresh/recirc switch.







5. INSPECT FRESH/RECIRC SWITCH CONTINUITY
If continuity is not as specified, replace the fresh/recirc switch.




6. DEFROSTER, DEF-FOOT and FOOT Mode Switch: INSPECT FRESH/RECIRC SWITCH INDICATOR OPERATION
a. Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 8.
b. Turn the mode dial to the "DEF" , "DEF-FOOT" and "FOOT" position and check that the fresh/recirc switch indicator lights off.
If operation is not as specified, replace the fresh/recirc switch.







7. INSPECT BLOWER SPEED CONTROL SWITCH CONTINUITY

Switch continuity:
If continuity is not as specified, replace the blower speed control switch.

Illumination circuit:
If continuity is not as specified, replace the bulb.