COMPONENT TESTING
Whirlpool & Maytag 9.2 Cu. Ft. Steam Dryer
n
3-7
For Service Technician Use Only
ACU BOARD (FIGURE 1)
ACU CONNECTOR PIN-OUTS
CONNECTOR J2
(User Interface)
J2-1
(BLK)
+5 VDC, (UI)
J2-2
(BLU) DATA, (UI)
J2-3
(YEL) 5V GND, (UI)
CONNECTOR J6
(Drum LED)
J5-1
(RED)
Drum LED
J5-2
(BLK) Drum LED
J5-3
J5-4
CONNECTOR J8
(Water Valve, Door Switch, Neutral)
J8-1
(RED) Water Valve (on some models)
J8-2
(G/Y) Chassis GND
J8-3
(WHT) Neutral
J8-4
(TAN) Door Switch
J8-5
Open
CONNECTOR J9
(Motor, L1)
J9-1
(LT BLU) Motor
J9-2
(BLK)
L1
CONNECTOR J13
(Moisture Sensor)
J13-1
(BLK)
Front Moisture Sensor
J13-2 (RED) Front Moisture Sensor Return
CONNECTOR J14
(Thermistors)
J14-1 (RED) Inlet Thermistor Return
J14-2 (RED) Inlet Thermistor
J14-3 (R/W) Outlet Thermistor
J14-4 (BLK)
Model (Gas)
J14-5 (BLK)
Model Return (Gas)
J14-6 (R/W) Outlet Thermistor Return
CONNECTOR J23
(Rear Moisture Sensor-on some models)
J23-1
(Y/R)
Rear Moisture Sensor
J23-2 (YEL)
Rear Moisture Sensor Return
3$*(
FOR SERVICE TECHNICIAN’S USE ONLY
DO NOT REMOVE OR DESTROY
Figure 2 - ACU Connectors & Pinouts
J2 – WIDE TO UI (+5 VDC)
J2-1 BLK +5VDC
J2-2 BLU DATA
J2-3 YEL 5V GND
J8 – WATER VALVE/DOOR SWITCH
J8-5
OPEN
J8-4 TAN DOOR SWITCH
J8-3 WHT NEUTRAL
J8-2 G/Y CHASSIS GND
J8-1 RED WATER VALVE
(ON SOME MODELS)
J6 – DRUM LED
J6-1 RED
J6-2 BLK
J6-3
J6-4
J9 – MOTOR/L1
J9-2 BLK L1
J9-1 LT BLU MOTOR
J13 – MOISTURE SENSOR
J13-1 BLK MOISTURE SENSOR
J13-2 RED MOISTURE SENSOR
J14 – THERMISTORS
J14-1 RED INLET THERMISTOR
J14-2 RED INLET THERMISTOR
J14-3 R/W OUTLET THERMISTOR
J14-4 BLK MODEL (GAS)
J14-5 BLK MODEL RTN (GAS)
J14-6 R/W OUTLET THERMISTOR
J13
J2
J9
J14
J8
K3
K2
K1
Heater Relay #1
(Gas & Elect.)
L1 – BLK
Heater (E) – VLT
Heater (G) – RED
Heater Relay #2
(Elect. Only)
L1 – BLK
Heater – VLT
Motor Relay
J6
J23
(on some
models)
J23 – REAR MOISTURE SENSOR
(on some models)
J23-1 Y/R
MOISTURE SENSOR
J23-2 YEL
MOISTURE SENSOR