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Checking intake air temperature sender > < Checking throttle valve control part

Leon Mk2

Checking intake manifold pressure sender
Checking intake manifold pressure sender
  Note!
Only gold-plated contacts may be used when servicing the sender connector contacts
Special tools and workshop equipment required
t  Test box -V.A.G 1598/22-
t  Hand multimeter -V.A.G 1526- or multimeter -V.A.G 1715-
t  Adapter set -V.A.G 1594-
t  Current flow diagram
Test sequence
   
–  Pull 4-pin connector off intake manifold pressure sender -G71- and intake air temperature sender -G42--arrow-.
–  Remove wiper arms and cowl panel: → Electrical system; Rep. Gr.92
  N24-0910
–  Connect test box -V.A.G 1598/22- to control unit wiring harness.
  N24-0709
–  Check wires between test box and 4-pin connector (connector to control unit) for open circuit using current flow diagram. Contact 3+socket 62 Contact 4+socket 70 Wire resistance: max. 1.5 Ω
–  Additionally check wires for short to one another, to vehicle earth and to battery positive. Specification: ∞Ω
If no fault is detected in the pipes:
–  Renew the intake manifold pressure sender -G71- with intake air temperature sender -G42- → Item.
  A24-0094

Checking intake air temperature sender > < Checking throttle valve control part