The pin assignments for the Common Powertrain Controller (CPC) #4 connector (18–pin) for
transit bus applications are Table 3-66, and listed in Table 3-68.
The part numbers for the #4 connector, Key C and terminals are listed in Table 3-69.
Pin
Signal Type
4/1
C_ECAN_L
4/2
C_ECAN_GND
4/3
C_ECAN_H
4/4
Digital Input_SFP_11
4/5
Digital Input_SFP_12
4/6
Digital Output_LP_FLEX_06
4/7
Digital Output_HP_LS_02
4/8
Digital Input_FLEX_E1
4/9
Digital Output_HP_FLEX_01
4/10
Digital Output_HP_HS_04
4/11
Frequency_SFP_10
4/12
PWM_FPO_01
4/13
Digital Input__FLEX_19
4/14
Digital Input_SFP_03
4/15
Digital Input_SFP_04
4/16
Digital Input_FLEX_17
4/17
Digital Input_FLEX_21
4/18
Digital Input_FLEX_18
Table 3-68
Connector #4 Pin Assignments – Transit Bus Application
Part
CPC - 18 Pin Connector - C Key
CPC - socket 0.5-1.0mm wire (single)
CPC - socket 1.0-2.5mm wire (single)
Table 3-69
Connector #4, 18–pin Connector, Key C
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
Engine CAN (-)
Engine CAN Shield
Engine CAN (+)
Not Populated
Not Populated
Wait to Start Lamp (Grid Heater)
High Exhaust System Temperature Lamp
Not Used
Deceleration Lamp
Vehicle Power Shutdown
Not Used
Not Used
—
Not Populated
Not Populated
Neutral Switch
DPF Regeneration Switch
Not Used
Connector
Front
Looking into the Pins on
the Harness
DDC Part Number
A 018 545 68 26
A 013 545 76 26
A 013 545 78 26
3-57