seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

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Intake manifold pressure sender: checking > < Continuation of check when display is above 90 ??, as follows:

Leon Mk2

Checking voltage supply and wiring to control unit
Checking voltage supply and wiring to control unit
Test sequence
   
–  Pull 8-pin connector off throttle valve control part -arrow-.
  N24-0724
–  Connect multimeter to measure voltage using aux. cables from -V.A.G 1594- to connector contacts 4+7.
–  Switch on ignition. Specification: min. 4.5 V
–  Switch off ignition.
–  Connect multimeter to measure voltage at connector contacts 3+7.
–  Switch on ignition. Specification: min. 9.0 V
–  Switch off ignition.
If no voltage is present:
  N24-0728
–  Connect test box -V.A.G 1598/22- to control unit wiring harness.
  N24-0709
–  Check wiring for open circuit between test box and connector using current flow diagram. Contact 1+socket 66 Contact 2+socket 59 Contact 3+socket 69 Contact 4+socket 64 Contact 5+socket 75 Contact 7+socket 67 Contact 8+socket 74 Wire resistance: max. 1,5 Ω
–  Additionally check wires for short to one another. Specification: ∞ Ω
If no wiring fault is detected:
–  Check engine control unit voltage supply → Chapter.
  N24-0170

Intake manifold pressure sender: checking > < Continuation of check when display is above 90 ??, as follows: