MTC Air Conditioner - Front Air Control Terminals and Reference Value; Pin Connector Terminal Layout; Terminals and Reference Value for Front Air Control

MTC-48
TROUBLE DIAGNOSIS
Revision: January 2005 2004 Quest
Front Air Control Terminals and Reference Value EJS001SE
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
LJIA0126E
WJIA0402E
Termi-
nal No.
Wire
Color
Item
Ignition
Switch
Condition
Voltage (V)
(Approx.)
1 B Ground - - 0V
2W/G
Position balanced resistor (PBR)
power
ON - 5V
3 L/W Front air mix door motor CW ON Clockwise rotation Battery voltage
4 L/B Front air mix door motor CCW ON Counterclockwise rotation Battery voltage
5 SB Mode door motor CW ON Clockwise rotation Battery voltage
6 L/O Mode door motor CCW ON Counterclockwise rotation Battery voltage
7 R/B Intake door motor (driver) CCW ON Clockwise rotation Battery voltage
8 R Intake door motor (driver) CW ON Counterclockwise rotation Battery voltage
9 R/W Intake sensor ON - 0 - 5V
10 R/L Heat Pump ON
Heater pump OFF Batter voltage
Heater pump ON 0V
12 L/R Compressor ON signal
ON A/C switch OFF 5V
ON A/C switch ON 0V
14 G/Y Power supply for IGN ON - Battery voltage
15 Y
Position balanced resistor (PBR)
ground
ON - 0V
16 LG Mode door motor feedback ON - 0 - 5V
17 GR/R Ambient sensor ON - 0 - 5V
18 Y/B Front air mix door motor feedback
19 W/B Defroster door motor CCW ON Counterclockwise rotation Battery voltage
20 W Defroster door motor CW ON Clockwise rotation Battery voltage
21 O/B Sensor return ON - 0 - 5V
22 Y/R Power supply for BAT - - Battery voltage