Ford Galaxy / Ford S-MAX. Manual - part 404
C3: CHECK THE TURBOCHARGER BOOST PRESSURE
Remove special tool 416-D001.
1
Connect the vacuum line to the vane adjustment
diaphragm unit.
2
Lower the vehicle.
3
Connect WDS to the vehicle data link connector
(DLC).
4
Select the dataloger function.
5
Configure dataloger to read the intake manifold
pressure via the manifold absolute pressure (MAP)
sensor.
6
Start and run the engine.
7
With the aid of another Technician, raise the
engine speed to 2000 rpm.
8
Observe the readings of special tool 310-053 and
the WDS manifold pressure display.
9
Is a vacuum of 0.325 bar on the special tool and boost
pressure of 1.5 bar on the WDS manifold pressure
display indicated?
Yes
Continue the diagnostic of the engine management
system using WDS.
No
INSTALL a new turbocharger.
REFER to:
Turbocharger
(303-04J Fuel Charging
and Controls - Turbocharger - 2.0L Duratorq-TDCi
(85kW/115PS) - DW/2.0L Duratorq-TDCi
(100kW/136PS) - DW/2.0L Duratorq-TDCi
(103kW/140PS) - DW, Emission Requirements:
Stage IV, Removal and Installation).
TEST the system for normal operation.
C4: CHECK THE VACUUM DIAPHRAGM UNIT VACUUM LINE FOR LEAKS
Ignition switch in position 0.
1
Remove the special tool 310-053.
2
Install the special tool to the vacuum diaphragm
unit vacuum line.
3
Operate the special tool and observe the reading.
4
Does the special tool hold vacuum?
Yes
GO to C5
.
No
GO to C6
.
C5: CHECK THE TURBOCHARGER VANE ADJUSTMENT SOLENOID VALVE DUTY CYCLE
Disconnect Turbocharger vain adjustment solenoid
C585.
1
Start and run the engine.
2
Measure the voltage between C585 pin 1, circuit
15S-RL50 (GN/BU) harness side and C585 pin 2,
circuit 91S-RL50 (BK/BU) harness side.
3