Engine Control Module (ECM)
Terminal Voltage Inspection
Mitsubishi 3000GT & Dodge Stealth

Presented by Jeff Lucius

CONNECTORS

These diagrams show the connector configurations and terminal numbers for the three different types of ECU connectors. Imagine you are looking right at the connector on the ECU when viewing these diagrams. Note that 1994-1995 Federal DOHC non-turbo models retain the 3-piece connector.

1991-1993 ECU connector

1994-1997 ECU connector

1998-1999 ECU connector


TERMINAL ASSIGNMENTS

SOHC: 1991 to 1993
DOHC Non-turbo and Turbo: 1991 to 1993

3-piece connectors; Figures from 1992 Dodge Stealth Service Manual
Page 1 (52 KB)
Page 2 (52 KB)
Page 3 (52 KB)
Page 4 (61 KB)
Page 5 (51 KB)

Complete listing of ECU terminals and assignments for 1991-1993 DOHC engines:
misc/3s_1991-1993_ecu_pins.xls

SOHC Federal: 1994 to 1995
DOHC Non-turbo Federal: 1994 to 1995

3-piece connectors; Figures from 1994 Dodge Stealth Service Manual
Page 1 ( KB)
Page 2 ( KB)
Page 3 ( KB)
Page 4 ( KB)
Page 5 ( KB)

SOHC: 1996 to 1997
4-piece connectors; Figures from 1996 Dodge Stealth Service Manual
Page 1 (60 KB)
Page 2 (55 KB)
Page 3 (51 KB)
Page 4 (53 KB)
Page 5 (19 KB)

DOHC Non-turbo California: 1994 to 1997
DOHC Non-turbo Federal: 1996 to 1997
DOHC Turbo: 1994 to 1997
4-piece connectors; Figures from 1992-1996 Mitsubishi 3000GT Service Manual
Page 1 (28 KB)
Page 2 (22 KB)
Page 3 (24 KB)
Page 4 (22 KB)
Page 5 (25 KB)
Page 6 (24 KB)

SOHC: 1998 to 1999
Figures from 1999 Mitsubishi 3000GT Service Manual
Page 1 (30 KB)
Page 2 (27 KB)
Page 3 (29 KB)
Page 4 (21 KB)

DOHC Non-turbo and Turbo: 1998 to 1999
Figures from 1999 Mitsubishi 3000GT Service Manual
Page 1 (32 KB)
Page 2 (27 KB)
Page 3 (27 KB)
Page 4 (27 KB)
Page 5 (26 KB)


Some ECM Terminals for DOHC Turbo Models
Function 1991-1993 1994-1995 1996-1997 1998-1999
Injector #1 (for IDC) 1 1 1 1
Eng. ign. signal (RPM) 101 58 51 45
Throttle pos. sensor 64 84 84 78
Idle position switch 67 87 87 79
Speed 66 86 86 80
Front O2 sensor 55 75 75 72
Rear O2 sensor 56 76 76 71
IG power (+12V switched) 62 82 82 99
Ground for ECM 13 or 26 13 or 26 13 or 26 46 or 58
Ground for TPS, others 72 92 92 49


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Except for the small gif and jpg images, the content, images, photographs, text, and multimedia displayed are Copyright © 2000-2005 by Jeff Lucius and K2 Software. All rights reserved. No part, section, image, photo, article, or whole of this site may be reposted or redisplayed without permission of the author.
Page last updated April 17, 2005.