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Systemä Pinout

The detailed description as well as the pin reference for TunerStudio is given in the user manual you received with your purchase.

View from wiring side:

AMPSEAL Pin N°	Description	Comment
1	SHARED 1	Shared PIN: External MAP IN / VSS IN
2	TPS	Throttle Position Sensor
3	CAN H	CAN High
4	CAN L	CAN Low
5	GND	GND
6	12v	12v Supply IN
7	5v	5v supply for TPS and external MAP
8	SPK A	Spark A Output (+5v)
9	SPK B	Spark B Output (+5v)
10	SPK C	Spark C Output (+5v)
11	SPK D	Spark D Output (+5v)
12	SHARED 2	Shared PIN: Spark E Out / Clutch IN
13	Knock IN	Knock Sensor Input
14	O2	O2 Sensor IN
15	MAT	Manifold Air Temperature Sensor IN
16	CLT	Coolant Temperature Sensor IN
17	CKP -	CKP Sensor - (Negative) IN
18	CAM -	CAM Sensor - (Negative) IN
19	CKP+	CKP Sensor + (Positive) IN
20	CAM +	CAM Sensor + (Positive) IN
21	SHARED 3	Shared PIN: Table SW IN / Flex Fuel Sensor IN
22	TACH OUT	Tachometer output signal (negative, very old tachometers may require tach adapter module)
23	FP OUT	Fuel pump relay output signal (negative)
24	AUX OUT 1	High current general purpose output (negative, 36A)
25	AUX OUT 2	High current general purpose output (negative, 36A)
26	AUX OUT 3	High current general purpose output (negative, 36A)
27	INJ D	Fuel injector D output (negative)
28	INJ C	Fuel injector C output (negative)
29	AUX OUT 4	High current general purpose output (negative, 36A) / Fuel injector E output
30	INJ B	Fuel injector B output (negative)
31	INJ A	Fuel injector A output (negative)
32	IAC 1A OUT	Stepper IAC 1A OUT
33	IAC 1B OUT	Stepper IAC 1B OUT
34	IAC 2B OUT	Stepper IAC 2B OUT
35	IAC 2A OUT	Stepper IAC 2A OUT