Temperature Sensing Circuit; Switch Entry Circuit - Kenmore 795.58812.900 Service Manual

1-5 Temperature Sensing Circuit.

A B
The circuits involving the freezer and refrigerator sensors control the temperature in both the freezer and the refrigerator.
The icemaker sensor defects when ice is made. The defrost sensor determine both the need for defrosting and the
efficiency of the defrost operation. See the table below for voltages and checkpoints.
CHECKPOINT
VOLTAGE
ITEM
A CON7 PIN3 CON7 PIN4
B CON7 PIN1 CON7 PIN2
C CON8 PIN1 CON8 PIN2
CON7 PIN7 CON7 PIN8
D
E CON7 PIN5 CON7 PIN6
F CON5 PIN4 CON5 PIN5
G CON5 PIN2 CON5 PIN1

1-6 Switch entry circuit

The following circuits are sensing form the test switch, damper motor reed switch for testing and diagnosing the refrigerator.
C
SENSOR STATUS
GND NORMAL
0.5V~4.5V
0.5V~4.5V
0.5V~4.5V
0.5V~4.5V
0.5V~4.5V
0.5V~4.5V
0.5V~4.5V
Main PCB
D E
SHORT OPEN
0V 5V
0V 5V
0V 5V
0V 5V
0V 5V
0V 5V
0V 5V
Test button
- 23 -
F
WIRE
COLOR
REMARK
BO*2 DEFROST SENSOR
WH*2 FREEZER SENSOR
GY*2 ICE MAKER SENSOR
REFRIGERATOR
GY*2 SENSOR (2)
REFRIGERATOR
WH*2 SENSOR
WH*2 AMBIENT SENSOR
WATER TANK
GY*2 SENSOR
G