Toyota 2002 Camry - Page 861

I30157
I30332
MAX. HOT
MAX. COLD
I30161
MAX. HOTMAX. COLD
Arm position
Resistance (kΩ)
3.4 – 6.2
0.8 – 1.6
I31408
DEF
FACE
B/L
FOOT
FOOT/DEF
55–8
–HEATER & AIR CONDITIONER AIR CONDITIONING SYSTEM
2323Author: Date:
2002 CAMRY REPAIR MANUAL (RM881U)
3. AIRMIX DAMPER SERVO SUB–ASSY
(a) Inspect servomotor operation.
(1) Connect the positive (+) lead from the battery to ter-
minal 4 and negative (–) lead to terminal 5, then
check that the arm turns to ”COLD” side smoothly.
(2) Connect the positive (+) lead from the battery to ter-
minal 5 and negative (–) lead to terminal 4, then
check that the arm turns to ”HOT” side smoothly.
If operations are not as specified, replace the air mix servomo-
tor.
(b) Inspect position sensor resistance.
Measure resistance between terminals at servomotor
arm each position as shown in the chart.
Tester connection Condition Specified condition
1 – 2 Constant 4.2 – 7.8 kΩ
1 – 3 Arm position at ”COLD” 3.4 – 6.2 kΩ
1 – 3 Arm position at ”HOT” 0.8 – 1.6 kΩ
If resistance is not as specified, replace the servomotor.
4. MODE DAMPER SERVO SUB–ASSY
(a) Inspect servomotor operation.
(b) Connect the positive (+) lead from the battery to terminal
7 and the negative (–) lead to terminal 8.
(c) Connect the negative (–) lead from the battery to each ter-
minal, as shown in the chart and check that the shaft ro-
tates at each position, as shown in the illustration.
Connected terminal Position
1 DEF
2 FOOT/DEF
3 FOOT
5 B/L
6 FACE
If operation is not as specified, replace the servomotor.