Page 449 of 3371
ATC-44
TROUBLE DIAGNOSIS
Revision: August 20072004 QX56
WJWA0121E
Page 450 of 3371
TROUBLE DIAGNOSIS
ATC-45
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: August 20072004 QX56
WJWA0122E
Page 451 of 3371
ATC-46
TROUBLE DIAGNOSIS
Revision: August 20072004 QX56
WJWA0123E
Page 452 of 3371
TROUBLE DIAGNOSIS
ATC-47
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: August 20072004 QX56
WJWA0161E
Page 453 of 3371
ATC-48
TROUBLE DIAGNOSIS
Revision: August 20072004 QX56
WJWA0125E
Page 454 of 3371
TROUBLE DIAGNOSIS
ATC-49
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: August 20072004 QX56
WJWA0126E
Page 455 of 3371
ATC-50
TROUBLE DIAGNOSIS
Revision: August 20072004 QX56
WJWA0136E
Page 456 of 3371

TROUBLE DIAGNOSIS
ATC-51
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: August 20072004 QX56
Front Air Control Terminals and Reference ValueEJS002C9
Measure voltage between each terminal and ground by following
Terminals and Reference Value for Front Air Control.
PIN CONNECTOR TERMINAL LAYOUT
TERMINALS AND REFERENCE VALUE FOR FRONT AIR CONTROL
WJIA0759E
WJIA0402E
Te r m i -
nal No.Wire
colorItemIgnition
switchConditionVoltage (V)
(Approx.)
1 B Ground - - 0V
2YPower supply for each door motor
PBRON - 0 - 5V
3 W/G Air mix door motor (Driver) CW ON Clockwise rotation Battery voltage
4 G Air mix door motor (Driver) CCW ON Counterclockwise rotation Battery voltage
5 BR/W Mode door motor CW ON Clockwise rotation Battery voltage
6 P/L Mode door motor CCW ON Counterclockwise rotation Battery voltage
7 O Intake door motor CCW ON Counterclockwise rotation Battery voltage
8 G/B Intake door motor CW ON Clockwise rotation Battery voltage
9 L/B Intake sensor ON - 0 - 5V
10 L/R Fan ON signal ONFan switch OFF 5V
Fan switch ON 0V
11 Y/B Rear defroster request ON - Battery voltage
12 W/R Compressor ON signal ONA/C switch OFF 5V
A/C switch ON 0V
13 G/R Variable blower control ON - 0 - 5V
14 Y/G Power supply for IGN ON - Battery voltage
15 P Ground for each door motor PBR ON - 0 - 5V
16 GR Mode door motor PBR feedback ON - 0 - 5V
17 P Ambient sensor ON - 0 - 5V
18 SBAir mix door motor (Driver) PBR
feedbackON - 0 - 5V
19 LG Defroster door motor CW ON Clockwise rotation Battery voltage
20 P/B Defroster door motor CCW ON Counterclockwise rotation Battery voltage