Magnetic Pickup; Figure 3-33 Vehicle Speed Sensor - Detroit Diesel DDEC VI Application And Installation

To obtain accurate vehicle mileage, the parameters listed in Table 3-106 must be programmed
with VEPS, DRS, or DDDL 7.0.
Parameter
Parameter
Group
8 Vehicle Speed Sensor
8 Axle Ratio
8 Number of Output Shaft Teeth
8 Tire Revs per Unit Distance
8 Top Gear Ratio
8 Second Highest Gear Ratio
8 Two Spd Axle Second Axle Ratio
8 Anti Tamper
Table 3-106 Vehicle Speed Sensor Parameters

Magnetic Pickup

The magnetic pickup requirements are listed in Table 3-107. Magnetic Pickup size is determined
by installation requirements.
Parameters
Frequency Range
Low Threshold Voltage
Table 3-107 Magnetic Pickup Vehicle Speed Sensor Requirements
The Vehicle Speed Sensor is wired to the 21–pin #3 connector of the CPC as listed in Table 3-108.
CPC Connector/Pin
3/13
3/14
Table 3-108 Vehicle Speed Sensor Wiring
All information subject to change without notice. (Rev. 01/07)
7SA827 0701 Copyright © 2007 DETROIT DIESEL CORPORATION
DDEC VI ELECTRONIC CONTROLS APPLICATION AND INSTALLATION
0 = No Sensor
1 = C3 Sensor
2 = Square Wave (Hall Sensor)
3 = J1939 (ETC1)
4 = Magnetic Pickup
5 = J1939 (TCO1)
6 = J1939 (CCVS Source 1)
7 = J1939 (CCVS Source 2)
8 = J1939 (CCVS Source 3)
160 – 1599 l/km
1 = Enable VSS Anti Tamper Function via ABS
2 = Enable Anti Tamper Function via Gear Ratio
Range
0 - 10 kHz
>1.8 Volts Peak to Peak
Range
1 – 20.0
0 – 250
0.1 – 2.55
0.1 – 5.75
1 – 20.0
0 = Disable
Function
VSS (+)
VSS (-)
Default
4 = Magnetic
5.29
16
312
1
2.54
5.29
0 = Disable
3-103