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S15 SR20DET Wiring Guide

This document provides a pinout diagram for an S15 SR20DET engine ECU. It lists 34 pins by number, color, and function. Some of the key pins listed include those for ignition signals, tachometer output, transmission gear selection, sensors inputs, fuel injectors, and other engine control components.

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2K views2 pages

S15 SR20DET Wiring Guide

This document provides a pinout diagram for an S15 SR20DET engine ECU. It lists 34 pins by number, color, and function. Some of the key pins listed include those for ignition signals, tachometer output, transmission gear selection, sensors inputs, fuel injectors, and other engine control components.

Uploaded by

azis
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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S15 SR20DET

Pin # Color Description Pin # Color Description


1 R/W IGNITION SIGNAL 1 34 O START SIGNAL
2 Y/R TACHOMETER SIGNAL OUTPUT 35 G/O PARK/NEUTRAL SIGNAL ** AEM MAP
3 R/Y IGNITION SIGNAL 2 36 B/R IGNITION SIGNAL +12v switched
4 R/B ECU ECCS RELAY 37 Lg/R TPS POWER OUTPUT +5v output
5 R/G IGNITION SIGNAL 3 38 B/W ECU POWER
6 B IGNITION SIGNAL GROUND 39 B ECU GROUND
7 G/B RECEIVE (CONTORL UNIT DATA) 40 B CRANK ANGLE 1 DEGREE SIGNAL
8 Fan Signal LOW 41 L/G A/C ON SWITCH - DASH
9 Fan Signal HI 42 Br/Y AUTO TRANS GEAR SELECT
10 43 PU/W POWER STEERING OIL PRESSURE SWITCH
11 G/Y A/C RELAY 44 Lg/R AUTO TRANS GEAR SELECT
12 P/B AUTO TRANS GEAR SELECT 45
13 B IGNITION SIGNAL GROUND 46 R ECU BACKUP POWER
14 G/W CLOCK (SYNCHRONIZATION SIGNAL) 47 B/W ECU POWER
15 G TRANSMIT (FROM CONTROL UNIT) 48 B ECU GROUND
16 R MAF SENSOR SIGNAL INPUT 101 W/B Injector 1
17 G MAF SENSOR GROUND 102
18 L/O Coolant Temp 103 G/B Injector 3
19 W OXYGEN SENSOR INPUT 104 B/P FUEL PUMP RELAY
20 W THROTTLE POSITION SENSOR 105 VTC Solenoid
21 B SENSOR GROUND 106
22 W CAM ANGLE 180 DEGREE SIGNAL 107 B FUEL INJECTOR GROUND
23 G/R CLK DATA LINK(CONSULT) 108 B FUEL INJECTOR GROUND
24 O/B Check Engine Light 109 R ECU CURRENT RETURN
25 R/L IGNITION SIGNAL 4 110 Y/B Injector 2
26 ** AEM/Power FC AIT 111 B O2 Heater Trigger
27 W Knock Sensor 112 L/B Injector 4
28 W/L AUTO TRANS TPS 113 SB Idle Air Control Valve
29 B SENSOR GROUND 114
30 W CAM ANGLE 180 DEGREE SIGNAL 115 O/B BOOST PRESSURE CONTROL SOLENOID
31 B CRANK ANGLE 1 DEGREE SIGNAL 116 B FUEL INJECTOR GROUND
32 Y/G VEHICLE SPEED SENSOR
33
S15 SR20DET

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