Control Assembly: Testing and Inspection

AIR CONDITIONING: AIR CONDITIONING PANEL: INSPECTION

INSPECTION

1. INSPECT HEATER CONTROL BASE





(a) Check the resistance of the fresh/recirc switch.
(1) Measure the resistance according to the value(s) in the table below.
Standard resistance:






If the result is not as specified, replace the heater control base.
(b) Check the recirc indicator operation.
(1) Connect the positive (+) lead from the battery to terminal 2 (A/C+) and the negative (-) lead to terminal 4 (REC).
(2) Push the fresh/recirc switch in and check that the indicator lights up.
OK:
Indicator lights up
If the result is not as specified, replace the heater control base.
(c) Check the illumination operation.
(1) Connect the positive (+) lead from the battery to terminal 7 (ILL+) and the negative (-) lead to terminal 6 (ILL-), then check that the bulb illuminates.
OK:
Bulb illuminates
If the result is not as specified, replace the bulb.
2. INSPECT HEATER CONTROL





(a) Check the heater control resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard resistance:






If the result is not as specified, replace the heater control.
(b) Check the rear defogger indicator operation.
(1) Connect the positive (+) lead from the battery to terminal 3 (IG+) and the negative (-) lead to terminal 5 (E).
(2) Push the rear defogger switch in and check that the indicator lights up.
OK:
Indicator lights up
If the result is not as specified, replace the No. 3 heater control knob.
(c) Check the illumination operation.
(1) Connect the positive (+) lead from the battery to terminal 7 (ILL+) and the negative (-) lead to terminal 1 (ILL-), then check that the bulb illuminates.
OK:
Bulb illuminates
If the result is not as specified, replace the bulb.
3. INSPECT NO. 3 HEATER CONTROL





(a) Check the No. 3 heater control resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard resistance:






If the result is not as specified, replace the No. 3 heater control.
(b) Check the A/C indicator operation.
(1) Connect the positive (+) lead from the battery to terminal 2 (B) and the negative (-) lead to terminal 4 (AIND).
(2) Push the air conditioning switch in and check that the indicator lights up.
OK:
Indicator lights up
If the result is not as specified, replace the No. 3 heater control.
(c) Check the illumination operation.
(1) Connect the positive (+) lead from the battery to terminal 5 (ILL+) and the negative (-) lead to terminal 6 (ILL-), then check that the bulb illuminates.
OK:
Bulb illuminates
If the result is not as specified, replace the bulb.