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16 pin (10+6) Toyota Head Unit proprietary connector layout
16 pin (10+6) Toyota Head Unit proprietary connector
at the radio
p/n 868040C100 (w/o SDARS), 861000C121 ? Also for 86100-0C110 86100-0c192 86100-0C111, , 86100-0C191, 86140-0C040 86140-0C050 86100-0C191 86140-0C010, 86140-0C130. Panasonic.
The pinout should fit 1 devices/models. Click to list>

 

p/n 868040C100

16 pin (10+6) Toyota Head Unit proprietary with numbering
J137  /  J138

Pin
Num		 Signal - Ground wire
color		 Option Description
A1 J137-1 (FR+)
- J137-7 (GND1)		 BE - W-B 7 or 9 Speakers Sound signal (Front right)
G - W-B 4 or 6 Speakers
A2 J137-2 (FL+) -J137-7 (GND1) B - W-B   Sound signal (Front left)
A3 J137-3 (ACC1) -J137-7 (GND1) GR - W-B   Power source (ACC). 11-14V when ignition switch ACC
A4 J137-4 (+B1) -J137-7 (GND1) V - W-B   Power source (+B) 11-14V constant.
A5 J137-5 (FR-) -J137-7 (GND1) LG - W-B 7 or 9 Speakers Sound signal (Front right)
R - W-B 4 or 6 Speakers
A6 J137-6 (FL-) -J137-7 (GND1) V - W-B 7 or 9 Speakers Sound signal (Front left
BE - W-B 4 or 6 Speakers
A7 J137-7 (GND1) - Body ground W-B - Body ground   Ground
A9 J137-9 (AMP) -J137-7 (GND1) G - W-B 7 or 9 Speakers Power source of stereo component amplifier (11-14V)
A10 J137-10 (ILL+) -J137-7 (GND1) SB - W-B   Illumination signal 11-14V when Light control switch in tailor head position.
B1 J138-1 (RR+) - J137-7 (GND1) BR -W-B except 4 Speakers Sound signal (Rear right)
B2 J138-2 (RL+) -J137-7 (GND1) Y - W-B except 4 Speakers Sound signal (Rear left)
B3 J138-3 (RR-) - J137-7 (GND1) V - W-B 7 or 9 Speakers Sound signal (Rear right)
LG - W-B 6 Speakers
B5 J138-5 (ILL-) - J137-7 (GND1) SB - W-B Illumination signal Pulse generation when Headlight dimmer switch assembly in tail or head position
B6 J138-6 (RL-) -J137-7 (GND1) P - W-B 7 or 9 Speakers Sound signal (Rear left)
B - W-B 6 Speakers

 

28 pin Nissan Head Unit Aux with numbering
J139 (28 pin)

Pin
Num		 Signal - Ground wire
color		 Option Description
1 J139-1 (IG) - J137-7 (GND1) P - W-B   Power source (IG). 11-14V when Ignition switch ON.
2 J139-2 (REV) - J137-7 (GND1) Y - W-B   Reverse signal.
4 J139-4 (MACC) -J137-7 (GND1) L- W-B   Microphone power supply. 4 to 6V when Ignition switch ACC
5 J139-5 (MIN+) -J137-7 (GND1) B - W-B   Microphone voice signal
6 J139-6 (SNS2) -J137-7 (GND1) LG - W-B   Microphone connection detection signal (always <1V)
9 J139-9 (CANH) LG   CAN communication signal
10 J139-10 (CANL) W   CAN communication signal
11 J139-11 (AGND)- Body ground     Shield Ground
15 J139-15 (PKB) -J137-7 (GND1 R - W-B   Parking W-Bake signal
17 J139-17 (SPD) -J137-7 (GND1) W - W-B   Vehicle speed signal from combination meterassembly
18 J139-18 (SGND)- J137-7 (GND1) Shield - W-B   Shield Ground
19 J139-19 (MIN-) -Body ground Y - Body ground   Microphone voice signal
21 J139-21 (SW1) -J139-23(SWG) G - Y w/ Steering Pad Switch Steering pad switch signal
No switch pushed 2.97 to 3.56 V
Up switch pushed 0.27 to 0.35 V
Down switch pushed 0.86 to 1.03 V
Volume+ switch pushed 1.51 to 1.79 V
Volume- switch pushed 2.22 to 2.66 V
22 J139-22 (SW2) -J139-23(SWG) GR - Y w/ Steering Pad Switch Steering pad switch signal
No switch pushed 2.97 to 3.56 V
MODE/HOLD switch pushed 0.27 to 0.35 V
On hook switch pushed 0.86 to 1.03 V
Off hook switch pushed 1.51 to 1.79 V
Voice switch pushed 2.22 to 2.66 V
23 J139-23 (SWG) - Body ground Y - Body ground w/ Steering Pad Switch Steering pad switch signal ground
24 J139-24 (SW3) -J139-23 (SWG) L - Y   Steering pad switch signal
No switch pushed 2.97 to 3.56 V
Enter switch pushed 0.27 to 0.35 V
Back switch pushed 0.86 to 1.03 V
Right switch pushed 1.51 to 1.79 V
Left switch pushed 2.22 to 2.66 V
25 139-25 (ADPG)- J137-7 (GND1) SB - W-B   External device connection detection signal. <1V when connected, otherwise 2-3V
26 J139-26 (VAR+)- J139-27 (VA-) B - Y   Sound signal (Right) External device playing audio (When stereo jack used)
27 J139-27 (VA-) -J137-7 (GND1) Y - W-B   Sound signal ground
28 139-28 (VAL+) -J139-27 (VA-) L - Y   Sound signal (Left). External device playing audio (When stereo jack used)

 

8 pin Toyota Head Unit with numbering

L2 8-pin connector

Pin
Num		 Signal - Ground wire
color		 Option Description
3 L2-3 (ACC2) -J137-7 (GND1) Y - W-B w/ SDARS System Power source (ACC)
4 L2-4 (+B2) -J137-7 (GND1)* R - W-B w/ SDARS System Power source (+B)
8 L2-8 (GND2) - Body ground* B - Body ground w/ SDARS System Ground

 

5 pin Toyota USB plug with numbering

J122 5-pin

Pin
Num		 Signal - Ground wire
color		 Option Description
1 J122-1 (USV1)     Power source
2 J122-2 (US1-)     Data signal
3 J122-3 (US1+)     Data signal
4 J122-4 (USD1)     Ground
5 J122-5 (USG1)     Shield Ground

 

K5 5-pin

Pin
Num		 Signal - Ground wire
color		 Option Description
1 K5-1 (USV4)   w/ SDARS System Power source
2 K5-2 (USV4-)   w/ SDARS System Data signal
3 K5-3 (USV4+)   w/ SDARS System Data signal
4 K5-4 (USGD4)   w/ SDARS System Ground
5 K5-5 (USG4)   w/ SDARS System Shield Ground

 

Omitted pins are Not Connected.

28 pin Nissan Head Unit Aux connector layout
28 pin Nissan Head Unit Aux connector
at the radio (numbering is reversed!)
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