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4-7 [T11l0I
AUTOMATIC AIR CONDITIONING SYSTEM
I : TROUBLE CODE (32) - Check mode door motor circuit.
CONTENT OF DIAGNOSIS :
TROUBLE SYMPTOM :
32 : Open or shorted P .B.R . circuit
Mode door does not change.
(P .B.R . : Potentio Balance Resistor)
OK
1
Check P .B .R . circuit in mode door motor .
Check trouble cord 34.
Not OK
Not OK
2
Check output signals for auto amplifier .
Repair auto amplifier terminal poor contact. (Replace
auto amplifier.)
OK
a Replace and recheck .
3
Check harness connector between auto amplifier
Not OK
Repair harness.
and mode door motor.
OK
Replace mode door motor .
Mode door
actuator
P. B. R.
i
a .
i17
M
B79
i11
b
Fb n5
G N o I--
F--
T
EM
Detect voal~tloo V
2
amp.
2
Q~1)
Tj
0 FF
(B78)
CD
0~)
14
11 121314 FS ::H6 718191
1
31415
78
2 I3
-112+nl It I-2TI 3-1141151161
M6
415161 71
S 6 71819 1101
19110111
1151161171161
1111121131141151161171181191201
19
110 11112'13114 AjI161171181191201
C4-734
Fig. 252
124
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Troubleshooting
