AC–20
AIR CONDITIONING
–
AIR MIX SERVOMOTOR
AC39N–01
INSPECTION
1.
LHD:
7
6
INSPECT AIR MIX SERVOMOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
6 and the negative (–) lead to terminal 7 and check that
the arm turns to ”WARM” side smoothly.
”WARM”
”COOL”
If operation is not as specified, replace the servomotor.
I18817
(b) Connect the positive (+) lead from the battery to terminal
7 and negative (–) lead to terminal 6 and check that arm
turns to ”COOL” side smoothly.
7
6
If operation is not as specified, replace the servomotor.
I18816
2.
LHD:
INSPECT AIR MIX POSITION SENSOR RESISTANCE
Measure resistance between terminals at servomotor arm each
position as shown in the chart.
7 6
5
1
Testerconnection
Condition
Constant
Specifiedcondition
4.2 – 7.8 kΩ
3 – 1
5 – 1
5 – 1
Arm position at ”WARM”
Arm position at ”COOL”
0.84 – 1.56 kΩ
3.36 – 6.24 kΩ
”WARM”
”COOL”
If resistance is not as specified, replace the servomotor.
7 6
5
1
I19332
AVENSIS/CORONA SUP (RM781E)
English 