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24 pin Honda Head Unit Audio connector layout
24 pin Honda Head Unit Audio connector
at the car stereo
p/n 39100-SZT-A22
The pinout should fit 1 devices/models. Click to list>

 

24 pin connector 

 

Pin
Number		 wire color Pin
Name
Unit with separate amplifier		 Pin
Name
Unit with built-in amplifier		 Description
1 BLK MAIN GND MAIN GND Ground for audio unit
2 WHT ILLUMI－ (BULB) ILLUMI－ (BULB) Detects illumination control signal
3 PNK ＋ B BACK UP ＋ B BACK UP Continuous power source
4 RED ILLUMI＋ ILLUMI＋ Inputs parking light on signal
5 RED RL PRE＋ RL＋ Outputs sound signal for left rear speaker
6 GRN RL PRE－ RL- Outputs sound signal for left rear speaker
9 LT GRN RR PRE＋ RR+ Outputs sound signal for right rear speaker
10 WHT RR PRE－ RR－ Outputs sound signal for right rear speaker
11 WHT REMOTE GND REMOTE GND Ground for audio remote switch
12 GRN SCTY SCTY Security signal from Multiplex integrated control unit (MICU)
13 BLU K-LINE K-LINE Detects scan tool signal (serial data)
15 YEL FL PRE＋ FL＋ Outputs sound signal for driver's door speaker and left tweeter
16 PNK FL PRE－ FL－ Outputs sound signal for driver's door speaker and left tweeter
19 GRN FR PRE＋ FR ＋ Outputs sound signal for passenger's door speaker and right tweeter
20 ORN FR PRE－ FR－ Outputs sound signal for passenger's door speaker and right tweeter
21 WHT SWD＋ B N/A Outputs voltage for stereo amplifier switching ON/OFF
22 PNK REMOTE SW REMOTE SW Detects voltage for audio remote switch
23 BLU VSP OUT VSP OUT Inputs vehicle speed pulse from ECM/PCM
24 PUR ACC ACC Power source for accessories

 

12 pin Hadsfree connector

 

 

Pin
Number		 wire color Pin
Name
 		 Description
1 BLU HFL ICON HFL ICON signal
2 GRY TELM SIG SH Shield for terminals No. 9 and No. 10
8 BRN HFL MUTE HFL MUTE signal
9 GRN TELM SIG ＋ Inputs sound signal for HFL
10 RED TELM SIG － Inputs sound signal for HFL

 

External amlifier p/n 39186-szt-a01 (2012-2015)

 

Pin
Number		 wire color Pin
Name
 		 Description
1 WHT SWD ＋ B1 Inputs voltage for stereo amplifier switching ON/OFF
2 LT GRN RR PRE＋ Inputs sound signal for right rear speaker
4 GRN FR PRE＋ Inputs sound signal for passenger's door speaker and right tweeter
5 RED RL PRE＋ Inputs sound signal for left rear speaker
7 YEL FL PRE＋ Inputs sound signal for driver's door speaker and left tweeter
9 WHT RR PRE－ Inputs sound signal for right rear speaker
11 ORN FR PRE－ Inputs sound signal for passenger's door speaker and right tweeter
12 GRN RL PRE－ Inputs sound signal for left rear speaker
14 PNK FL PRE－ Inputs sound signal for driver's door speaker and left tweeter

Pin
Number		 wire color Pin
Name
 		 Description
1 WHT ＋ B Continuous power source
2 WHT SWD＋ B2 Inputs voltage for stereo amplifier switching ON/OFF
3 GRY RL SP＋ Outputs sound signal for left rear speaker
4 BLU RR SP＋ Outputs sound signal for right rear speaker
6 RED SUBW SP＋ Outputs sound signal for subwoofer
7 LT BLU FL TW SP＋ Outputs sound signal for left tweeter
8 WHT FL SP＋ Outputs sound signal for driver's door speaker
9 BLU FR SP＋ Outputs sound signal for passenger's door speaker
10 BLU FR TW SP＋ Outputs sound signal for right tweeter
11 BLK GND Ground for stereo amplifier
13 BRN RL SP－ Outputs sound signal for left rear speaker
14 ORN RR SP－ Outputs sound signal for right rear speaker
16 LT BLU SUBW SP－ Outputs sound signal for subwoofer
17 GRY FL TW SP－ Outputs sound signal for left tweeter
18 GRY FL SP－ Outputs sound signal for driver's door speaker
19 RED FR SP－ Outputs sound signal for passenger's door speaker
20 RED FR TW SP－ Outputs sound signal for right tweeter
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Honda CR-Z (2012-2016) Non-Navi Head Unit visual pinout:click to enlarge
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