seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

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If display reads 120 ?C, continue test as follows: > < Test sequence

Leon Mk2

If display reads -40 °C, continue test as follows:
If display reads -40 °C, continue test as follows:
   
–  Pull 4 pin connector off intake air temperature sender -G42- with intake manifold pressure sender -G71--arrow-.
  N24-0729
–  Bridge connector contacts 1+2 using aux. cables from -V.A.G 1594- and observe display.
If the display jumps to 120 °C:
–  Press → key.
–  Press keys 0 and 6 for the “End output” function and confirm input with the Q key.
–  Switch off ignition.
–  Renew the intake manifold pressure sender -G71- with intake air temperature sender -G42- → Item.
If the display remains at -40 °C:
–  Press → key.
–  Press keys 0 and 6 for the “End output” function and confirm input with the Q key.
–  Switch off ignition.
  N24-0804
–  Connect test box -V.A.G 1598/22- to control unit wiring harness.
  N24-0709
–  Check wiring between test box and 4-pin connector for open circuit using current flow diagram. Contact 1+socket 67 Contact 2+socket 54 Wire resistance: max. 1,5 Ω
–  Check wiring additionally for short circuit to battery positive. Specification: ∞ Ω
If no wiring fault is detected:
–  Renew the intake manifold pressure sender -G71- with intake air temperature sender -G42- → Item.
  A24-0094

If display reads 120 ?C, continue test as follows: > < Test sequence