Toyota Celica 2005 Repair Manual page 2492

AC−68
10
10
2005 CELICA (RM1131U)
AIR CONDITIONING
4
7
I14039
I07872
3
1
I14040
1
3
7
I14041
− HEATER CONTROL ASSEMBLY
INSPECTION
1. INSPECT ILLUMINATION OPERATION
Connect the positive (+) lead from the battery to terminal 7 and
negative (−) lead to terminal 4 then check that the illuminations
lights up.
If operation is not as specified, check the faulty bulb.
2. INSPECT BULB
Apply the tester as shown in the illustration to the test for conti-
nuity.
If continuity exists, replace the heater control.
If no continuity exists, replace the bulb.
3. INSPECT A/C INDICATOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (−) lead to terminal 3 and 10.
(b) Push the A/C button in and then check that the indicator
lights up.
If operation is not as specified, replace the switch.
4. INSPECT DIMMING OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (−) lead to terminal 3 and 10 while
press the switch.
(b) Connect the positive (+) lead from battery to terminal 7
and then check that the indicator dims.
If operation is not as specified, replace the switch.
2491
AC2HS−03