Volvo TAD734GE Repair Manual

Group 30: Electrical system Repair instructions
21
Changing the engine control
unit
1. NOTE! Cut the current with the main switch.
IMPORTANT! The system must be disconnect-
ed from system voltage when the engine control
module connectors are disconnected or con-
nected*.
2. Remove the two connectors from the engine con-
trol unit. Turn the locking arm down at the same
time as the connector is pulled outwards
3. If the new engine control unit has recently been
programmed:
Start the engine and check whether any fault
codes related to the engine control unit occur.

Volvo TAD734GE Specifications

General

Engine Model	TAD734GE
Cooling System	Liquid-cooled
Displacement	7.15 liters
Bore x Stroke	108 x 130 mm
Aspiration	Turbocharged
Fuel System	Electronic Unit Injectors (EUI)
Engine Speed	1500 rpm
Emission Level	EU Stage II
Engine Type	4-stroke, 6-cylinder in-line diesel engine