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ADAPTER PINOUT REFERENCE
Vehicle connector:
MAZDA MX-5 NB
CONNECTOR 37
CONNECTOR 36
Connector 37
Connector 36
9
8
7
6
5
4
3
2
1
7
6
5
4
3
2
1
21
20
19
18
17
16
15
14
13
12
11
10
16
15
14
13
12
11
10
9
8
31
30
29
28
27
26
25
24
23
22
24
23
22
21
20
19
18
17
9
8
7
6
5
4
3
2
1
17
16
15
14
13
12
11
10
25
24
23
22
21
20
19
18
34
33
32
31
30
29
28
27
26
Connector C
Keyway Type 2
All connectors above are shown with reference to the pin side (front of connectors).
CONNECTOR 84
CONNECTOR 35
CONNECTOR 34
Connector 84
Connector 35
Connector 34
(Unused)
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
7
6
12
11
10
9
8
7
19
18
17
16
15
14
13
12
11
10
15
14
13
17
16
15
14
13
28
27
26
25
24
23
22
21
20
22 21
20
9
8
7
6
5
4
3
2
1
17
16
15
14
13
12
11
10
25
24
23
22
21
20
19
18
34
33
32
31
30
29
28
27
26
Connector A
Keyway Type 1
12
Pin
Function
(Unused)
C1
Trigger +
C2
Trigger -
C3
Home +
5
4
3
2
1
C4
Home -
12
11
10
9
8
C5
SPI 1
19
18
17
16
C6
SPI 2
C7
SPI 3
C8
SPI 4
C9
+8V
C10
AVI 1
C11
AVI 2
C12
AVI 3
C13
AVI 4
C14
AVI 5
C15
AVI 6
C16
AVI 7
C17
AVI 8
C18
AVI 9
C19
SPI 5
C20
SPI 6
C21
CAN 2 H
C22
CAN 2 L
C23
Knock 1
C24
Knock 2
C25
+5V
C26
Signal ground
C27
AVI 10
C28
AVI 11
C29
WBI 1 Heater +
C30
WBI 1 Input
C31
WBI 1 Pump
C32
WBI 1 Nernst
C33
WBI 1 Heater -
C34
WBI 1 Cal
NEXUS S3/S2 ECU CONNECTOR C (KEYWAY TYPE 2)
Colour
Vehicle connector
White
3616
Black
No connection
White
3615
Black
No connection
Gray/Brown
To auxiliary connector
Gray/Red
3622
Gray/Orange
3724
Gray/Yellow
To auxiliary connector
Orange/White
No connection
White
3728
White/Yellow
3722
White/Gray
3730
White/Violet
To auxiliary connector
White/Green
3718
White/Orange
3710
White/Black
3726
White/Brown
3715
White/Red
3723
No connection
No connection
No connection
No connection
White
No connection
Blue
No connection
White
3714
White
No connection
Orange
3703
Black/White
3704
Light Green
3717
No connection
No connection
Gray
Wideband conn. Pin 1
Yellow
Wideband conn. Pin 2
Red
Wideband conn. Pin 3
Black
Wideband conn. Pin 4
White
Wideband conn. Pin 5
Green
Wideband conn. Pin 6
13
Function
Crank position sensor
No connection
Cam position sensor
No connection
Auxiliary IO
Vehicle speed sensor
Clutch switch
Auxiliary IO
No connection
Narrowband O2 sensor
Power steering switch
MAP sensor
Auxiliary IO
MAF sensor
Brake switch
Air temperature
Coolant temperature
AC request
No connection
No connection
No connection
No connection
Knock sensor
No connection
Sensor power supply
Sensor ground
Throttle position sensor
No connection
Onboard wideband control
(See page 6 for details)
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