Front Seat Heater Control Unit Connector for Inputs and Outputs

Terminal number
Terminal name
Description
Signal
1
+B HEATER(DR)
Outputs +B HEATER(DR) signal
With front seat heater operation: about battery voltage
If none of above conditions are met: less than 0.2 V
2
HEATER ECU +B
Power source for front seat heater control unit
With vehicle in ON mode and front seat heater switch ON: about battery voltage
3
+B HEATER(AS)
Outputs +B HEATER(AS) signal
With front seat heater operation: about battery voltage
If none of above conditions are met: less than 0.2 V
4
GND(HEATER & ECU) *1
GND(HEATER & HEATER ECU) *2
Ground for front seat heater control unit
Less than 0.2 V at all times
5
Not used
???
???
6
-THERMISTER(AS) *1
AS TH- *2
-THERMISTER(AS) signal *1
AS TH- signal *2
???
7
-THERMISTER(DR) *1
DR TH- *2
-THERMISTER(DR) signal *1
DR TH- signal *2
???
8
Not used
???
???
9
IG1
IG1 power source
With vehicle in ON and START mode: about battery voltage
10
B-CAN_L
Communication line
???
11
B-CAN_H
Communication line
???
12
+THERMISTER(AS) *1
AS TH+ *2
+THERMISTER(AS) signal *1
AS TH+ signal *2
???
13
+THERMISTER(DR) *1
DR TH+ *2
+THERMISTER(DR) signal *1
DR TH+ signal *2
???
14
Not used
???
???
*1: Without power seat
*2: With power seat