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SmarTemp Control fx
6. Observe the Menu Descriptions section for proper menu setup.
Electrical Connections
SmarTemp Connector Pin-out
Pin Number
Description
1
+12 / 24V
2
GND
3
Heater Output
4
*Diagnostic Blink Code
For terminal removal use: Molex terminal removal tool
P/N: 11-03-0044 (http://www.molex.com)
*Diagnostic Blink Code functionality does not apply to most coolant heaters. Refer to the Error Code section for additional
information.
Relay Connection: (If applicable)
Heaters requiring a higher amperage ON/OFF signal will require a relay to accommodate different specifications.
If the connected heater requires more than a 1A ON/OFF signal to start, use the pin-out of a standard relay as described
below.
Relay
Output
Relay Pin 30
Battery (B+) power source (Fused according to required heater amperage)
Relay Pin 85
Ground
Relay Pin 86
Heater ON/OFF signal wire from pin 3 of SmarTemp Control fx harness.
Relay Pin 87
Switched ON/OFF signal to heater.
Component Description
(Webasto) ON/Off Button
*Micro USB Service Port
* The micro USB service port is not used for Webasto heater diagnostic purposes on SmarTemp Control fx.
Wire Color
Red
Brown
Black or Gray
Green
LCD Screen
TERMINAL INSERT
SIDE OF CONNECTOR
Rotary Knob
Screw Cap
Status Indicator Light(s)
Selection Button
2
Installation – Operation Instructions
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