Front Seat Heater Control Unit Connector for Inputs and Outputs
Front Seat Heater Control Unit 24P Connector (female terminals)


Terminal number
Terminal name
Description
Signal
1
HEATER DR
Drives driver's seat heater
With driver's seat heater operation: pulse (depending on driver's seat temperature)
If none of above conditions are met: less than 0.2 V
2
DR H/SEAT LO RLY COM
Detects front seat heater relay signal
With vehicle in ON mode: about battery voltage
3
AS H/SEAT LO RLY COM
Drives front passenger's seat heater
With front passenger's seat heater operation: pulse (depending on front passenger's seat temperature)
If none of above conditions are met: less than 0.2 V
4
GND
Front seat heater control unit ground
Less than 0.2 V at all times
5
???
Not used
???
6
???
Not used
???
7
???
Not used
???
8
???
Not used
???
9
B-CAN_L
Communication line
???
10
B-CAN_H
Communication line
???
11
???
Not used
???
12
TH? DR
Detects driver's seat heater thermistor signal
With vehicle in ON mode: about 0.4 - 4.9 V (depending on driver's seat temperature)
13
TH? AS
Detects front passenger's seat heater thermistor signal
With vehicle in ON mode: about 0.4 - 4.9 V (depending on front passenger's seat temperature)
14
IG1 OPTION
IG1 power source
With vehicle in ON or START mode: about battery voltage
15*
IND STATE
Outputs indicator dimming signal
???
16
???
Not used
???
17
???
Not used
???
18
???
Not used
???
19
???
Not used
???
20
???
Not used
???
21
???
Not used
???
22
TH? DR
Ground for driver's seat heater thermistor signal
Less than 0.2 V at all times
23
TH? AS
Ground for front passenger's seat heater thermistor signal
Less than 0.2 V at all times
24
???
Not used
???
*: With rear seat heater