Group 28
Service Procedures
Service Procedures
2841-03-02-01
Engine ECU, Replacement
Special tools: 9998482
1
Note: Make sure that the parking
brake is applied.
2
Disconnect the power with main switch
Before working on a vehicle, set the parking brakes,
place the transmission in neutral, and block the
wheels. Failure to do so can result in unexpected
vehicle movement and can cause serious personal in-
jury or death.
WARNING
Fuel leaked or spilled onto hot surfaces or electrical
components can cause a fire. Clean up fuel spills im-
mediately.
.
3
T2014053
Remove the connector from the con-
trol unit by pressing the catch and
pushing the handle up.
4
Cut the clamps round the cable har-
ness under the control unit and fold
away the connector for the control unit.
5
T2014052
Remove the bolts for the cooling coil
on the control unit.
Note: Do not release the fuel lines on
the cooling coil.
6
Remove the control unit’s hold-down
bolts (4, see previous illustration ) and
lift off the control unit.
7
Install the new control unit.
Note: Make sure that the framework
line is positioned correctly and that the
mating surface on the engine block is
free from rust.
If the control unit is painted where the
cooling coil is to be installed: Remove
the paint where the cooling coil is in
contact with the control unit to ensure
maximum cooling.
8
Install the cooling coil on the control
unit.
9
Check the clamping force of the termi-
nal in the connector for the control unit
by means of gauge 9998482.
9998482
10
Install the connector on the control
unit. Make sure that the catch locks on
the connector.
243
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...