Hands Free Telephone Control Unit Inputs and Outputs

Hands Free Telephone Control Unit 28P Connector

Cavity
Wire
Connects to
1
BLK
Ground (G401) (GND)
2
LT BLU
HFT switch (HFT STRG SW)
3
LT GRN
Audio unit (HFT MUTE)
6 *1
WHT
Navigation unit (NAVI COMM4)
7 *1
RED
Navigation unit (NAVI COMM3)
8 *1
GRY *2
Navigation unit (NAVI COMM SH)
11
GRN
Audio unit (TELM SIG+)
12
GRY *2
Shielding (MIC SIG SH)
13
YEL
Roof console (MIC+)
14
BRN
Roof console (MIC−)
15
WHT
Constant power (+B)
16
PUR
ACC (handsfree power supply)
17
BLU
B-CAN (B-CAN L)
18
PNK
B-CAN (B-CAN H)
20 *1
BLK
Navigation unit (NAVI COMM1)
21 *1
GRN
Navigation unit (NAVI COMM2)
25
RED
Audio unit (TELM SIG−)
26
GRY *2
Audio unit (TELM SIG SH)
27 *1
GRN
Navigation unit (HFT-NAVI MIC+)
28 *1
RED
Navigation unit (HFT-NAVI MIC−)

*1:
With navigation system
*2:
The shielded wires have a heat-shrink tube insulating the outside of the wire. The color of the insulating tube, typically black or dark gray may not match the color of the wire shown on the circuit diagram.