Bosch SHI4302 Manual page 99

IX. Wiring Diagrams/Tech Sheet
IX. Wiring Diagrams/Tech Sheet
Measuring SHX33A/43E/46A/B, SHV46C Resistances @ Modules
Measuring SHX33A/43E/46A/B, SHV46C Resistances @ Modules
I2.
.6- .5-
x2
5 4
Not used
on these
models
To Aqua
Wire color codes:
BK = Black
BN = Brown
BU = Blue
GY = Gray
RD = Red
WH = White
YE = Yellow
.4-
3 2 1 3 2 1
Measure
Sensor rinse-aid
sensor
(~ .4Ω)
To heater, Hi-Limit
& flow switch
Measure NTC
(~ 55kΩ @ 72ºF)
.7-
2 1
.3-
4 3 2 1
Measure
drain motor
(~ 16.5Ω)
Measure
circulation
motor (~ 10Ω)
NOTE: This control module measures the NTC
differently – measuring voltage (NTC - neutral)
instead of current.
HINT: Water valve and drain motor can be
measured from front of dishwasher without
accessing control module wire harnesses.
Resistances are:
•
Water valve ~ 1 k
•
Drain motor ~ 16.5
97
Control Module – I2
.2-
5 4 3 2 1 6 5
Measure dispenser
actuator (~ 2150Ω)
To neutral
.1-
4 3 2 1
line