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Checking charge air pressure sender G31 > < Checking charge pressure control

Checking Charge Pressure Control Solenoid Valve N75 for Engine Code AWC

Checking charge pressure control solenoid valveN75
Checking charge pressure control solenoid valve -N75-
Special tools and workshop equipment required
t  Fault reader -V.A.G 1551- or vehicle system tester -V.A.G 1552- with diagnosis cable -V.A.G 1551/3C-
t  Hand multimeter -V.A.G 1526C- or multimeter -V.A.G 1715-
t  Auxiliary measuring set -V.A.G 1594C-
Test prerequisites
   
l  Fuse 14 must be OK.
l  Final control diagnosis has been performed → Rep. Gr.01.
l  Ignition switched off
Test procedure
  N01-0485
–  Unbolt heat shield from bulkhead -arrows-.
–  Pull heat shield forwards slightly.
  N19-0200
–  Pull 2-pin connector off charge pressure control solenoid valve -N75--arrow-.
–  Pull charge pressure control solenoid valve -N75- from bracket (hoses remain connected).
  N21-0155
–  Check charge pressure control solenoid valve -N75- resistance between contacts. Specification: 25.0 … 35.0 Ω∼ (at room temperature).
If the specification is not attained:
–  Renew charge pressure control solenoid valve -N75-.
–  Interrogate and clear fault memory → Rep. Gr.01
If the specification is attained:
–  Check specifications in measured value blocks for charge pressure control: Display groups 110…119.
  N21-0156

Checking charge air pressure sender G31 > < Checking charge pressure control