Group 28
Specifications
Pinouts
Vehicle Electronic Control Unit(VECU)
Vehicle ECU Connector A-(GREEN)
Cavity
Circuit
Description
1
564A
CC/PTO SWITCH SET(-) INPUT
2
563A
CC/PTO SWITCH SET(+) INPUT
3
562A
CC/PTO SWITCH ON INPUT
4
NOT USED
5
567B
SERVICE BRAKE SWITCH INPUT
6
284-A
12V STARTER CONTROL SOLE-
NOID FEED
7
245
ENGINE PREHEAT CIRCUIT PRO-
TECTION FEED
8
571
CLUTCH SWITCH INPUT
9
385-A
PARK CONTROL WIPER MOTOR
10
388
INTERMITTENT WIPER INPUT
11
387-C
SWITCH TO WASHER MOTOR
12
0XE
ELECTRONIC GROUND
13
18V
ELECTRONIC ENGINE SWITCHED
BATTERY FEED
14
196V
IGNITION SWITCH DR FEED
15-18
NOT USED
19
300D
MANUAL FAN SWITCH INPUT
20
629
ENGINE BRAKE MEDIUM FEED
21
628
ENGINE BRAKE LOW FEED
22
NOT USED
23
555
IDLE VALIDATION INPUT
24
682
HIGH REFRIGERANT PRESSURE
SWITCH FEED
25-28
NOT USED
29
573
PTO SWITCH ON INPUT
30
565A
CC/PTO SWITCH RESUME INPUT
W3002689
26
Summary of Contents for TSI
Page 1: ......
Page 8: ...6...
Page 30: ...Group 28 Specifications Schematic D12B W2002827 28...
Page 31: ...Group 28 Specifications Schematic D12C W2003348 29...
Page 32: ...Group 28 Specifications Schematic D7C W2002826 30...
Page 33: ...Group 28 Specifications Schematic VECU W3003497 31...
Page 34: ...32...
Page 86: ...84...
Page 96: ...Group 28 Troubleshooting 94...
Page 110: ...Group 28 Troubleshooting Fuel Pressure Sensor Pres sure Voltage Chart W2002799 108...
Page 114: ...Group 28 Troubleshooting Oil Pressure Sensor Pres sure Voltage Chart W2002732 112...
Page 118: ...Group 28 Troubleshooting Boost Pressure Sensor Pres sure Voltage Chart W2002730 116...
Page 129: ...Group 28 Troubleshooting Coolant Temperature Sensor Tem perature Resistance Chart W2002729 127...
Page 140: ...Group 28 Troubleshooting Fuel Temperature Sensor Tempera ture Resistance Chart W2002742 138...
Page 144: ...Group 28 Troubleshooting Oil Temperature Sensor Tempera ture Resistance Chart W2002727 142...
Page 248: ......
Page 249: ...Operation Numbers 2841 03 02 01 Engine ECU Replacement 243...