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Inspect vacuum setting element and tension rods for charge pressure control > < Test sequence

Octavia Mk1

Inspecting charge pressure control solenoid valveN75
Inspecting charge pressure control solenoid valve -N75-
  Note
Functional testing of the charge pressure control solenoid valve -N75- can also be undertaken using the actuator diagnosis → 1.9 ltr./96 kW (TDI) Engine, Fuel Injection and Glow Plug System → Rep. Gr.01.
–  Switch off ignition.
–  Remove the plug from the charge pressure control solenoid valve -N75- or from the valve block.
–  Measure the resistance between the contacts of the charge pressure control solenoid valve -N75- → Current flow diagrams and Fitting locations.
   Specified value: 14…20 Ω
If the specified value is not reached:
–  Replacing charge pressure control solenoid valve -N75 -.
If the specified value is reached:
–  Check wiring between the charge pressure control solenoid valve -N75- and the diesel direct injection system control unit -J248- → Current flow diagrams and Fitting locations.
If the lines are not found to be faulty:
–  Replace diesel direct injection system control unit -J248- → 1.9 ltr./96 kW (TDI) Engine, Fuel Injection and Glow Plug System → Rep. Gr.23.
   

Inspect vacuum setting element and tension rods for charge pressure control > < Test sequence