Mcm 21-Pin And 31-Pin Connectors - Detroit Diesel DDEC VI Application And Installation

MCM 21–pin and 31–pin Connectors
The wiring for the VIH 21–pin to the MCM is listed in Table 3-13. The side of the connector
shown is looking into the pins.
Pin Signal Type
21/1 CAN2L
21/2 CAN2GND
21/3 CAN2H
21/4 CAN2GND
21/5 KL31
21/6 KL31
21/7 KL15
21/8 KL31
21/9 KL31
21/10 CAN1GND
21/11 KL30
21/12 KL30
21/13 CAN1H
21/14 KL30
21/15 KL30
21/16 CAN1GND
21/17 BOOT
21/18 KDiag_S
21/19 CAN1L
21/20 KL50
21/21 START_B
Table 3-13 21–Pin Connector to the MCM
Part
Connector
1.0 – 2.5 mm Contact (single)
0.5 – 1.0 mm Contact (single)
2
Seal (2.2 – 3.0 mm
2
Seal (1.2 – 2.1 mm
Backshell
Cavity Plug
Table 3-14 21–Pin Connector to the MCM Part Numbers
All information subject to change without notice. (Rev. 01/07)
7SA827 0701 Copyright © 2007 DETROIT DIESEL CORPORATION
DDEC VI ELECTRONIC CONTROLS APPLICATION AND INSTALLATION
Function
Not Used
Not Used
Not Used
Not Used
Battery (-)
Battery (-)
Battery (-)
Battery (-)
Engine CAN Shield
Battery (+)
Battery (+)
Engine CAN +
Battery (+)
Battery (+)
Not Used
Not Used
Not Used
Engine CAN –
Crank Start Input
Crank Activation Output
insulation diameter)
insulation diameter)
IGN
Looking into the Pins on the Harness
DDC Part Number
024 545 76 26
014 545 82 26
014 545 83 26
000 545 29 39
000 545 28 39
001 545 79 83
000 545 62 80
Connector
Front
3-17