Pinouts >  Genuine Acura or Honda Car Audio Head units  >  Acura pinouts
p/n 39546-SJA-A610, 39546-SJA-A640, 39546-SJA-A650, 39540-SJA-A610, 39540-SJA-A640, 39540-SJA-A650, ref/n BN418AB

 

Pin
Number
Harness color Pin
Name
Description
1 WHT R SIG 1 Red color signal
2 RED G SIG 1 Green color signal
3 GRY SH SIG 1 Shield for terminals No. 1,2,17,18,19
4 GRN AC-SI Communication signal for climate control unit
5 GRY ILL+ Parking light on signal
8 WHT CAN-H F-CAN bus communication
9 GRY SH ECU BUS Shield for display bus No. 10,26 terminal
10 GRN ECU BUS+ Data bus+ GA-NET
17 YEL B SIG 1 Blue color signal
18 BRN C SIG 1 Composite video (vertical/horizontal) Synchronizing signal
19 BLU GND SIG 1 Ground for color signal
20 PUR AC-SO Communication signal for climate control unit
21 BRN AC-CLK Check signal for climate control unit
23 WHT JOG Interface dial operation signal (0—5 V pulses)
24 RED CAN-L F-CAN bus communication
25 GRY SH JOG Shield for interface dial signal
26 RED ECU BUS- Display bus negative. If open: Navigation buttons do not work.

Pin
Number
Harness color Pin
Name
Description
1 WHT +B Battery voltage
2 PUR ACC Battery voltage at ACC (I)
 
4 BLK GND  
5 BRN BACK LT Back light or reverse signal. In reverse, battery voltage: Otherwise 0 V
6 BLU VSP 0—5 V pulses average 2.5 V (Depending on bus traffic)
7 GRN DIAG+ Service check signal for navigation system. If short to ground: System goes into diagnostic mode at key ON (I) and (II).
8 YEL DIAG- If open: The system will not go into diagnostic mode when using the SCS jumper.

 

Pin
Number
Harness color Pin
Name
Description
7 RED RG L+ Left audio signal of voice guidance, and Voice Recognition (VR) prompts
8 GRN MIC SIG+ Microphone output signal positive
12 PUR STRG SW Steering switch output
13 GRY RG L SH Shield for terminals No. 7,14
14 GRN RG L GND Ground for voiceguidance, andVoice Recognition (VR) prompts
15 GRY SH MIC Shield for terminals No. 8,16
16 RED MIC SIG- Ground for microphone signal

 

Pin
Number
Harness color Pin
Name
Description
1 WHT RC VCC Power source for rearview camera (8V)
2 BLK RC GND Ground for rearview camera
3 RED Camera GND Ground for rearview camera video signal
5 YEL Camera V Video signal for rearview camera
6 GRY Camera SH Shield for terminals No. 1,2, 4,5,7
7 GRN Camera (ADPT) Control signal for rearview camera (0-1V)

 

 

20 pin connector at the display unit (p/n 39810-SJA-A04, 39810-SJA-305, 39810-SJA-A011?)

Pin
Number
Harness color Pin
Name
Description
1 WHT +B Continuous power source
2 PUR ACC Power source for accessory
3 GRN GA-NET BUS+ Data bus+ GA-Net
4 GRY GA-NET BUS SH Shield for terminals No. 3,13
5 GRN ECU BUS+ Data bus+ GA-Net
6 LT GRN SECURITY+ Security signal to rear screen
8 WHT R SIG 1 Red color signal
9 RED G SIG 1 Green color signal
10 BLK GND Ground for display unit
11 LT BLU ILL+ Parking light on signal from dash and console lights
13 RED GA-NET BUS- Data bus - GA-Net
14 GRY SH ECU BUS Shield for display bus terminals No. 5,15
15 RED ECU BUS- Data bus - GA-Net
16 BRN SECURITY- Security signal from CD changer
17 BLU GND SIG 1 Ground for color signal
18 YEL B SIG 1 Blue color signal
19 BRN C SIG 1 Composite video (vertical/horizontal) synchronizing signal
20 GRY SH SIG 1 Shield for terminals No. 8,9,17,18,19
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