seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

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Continuation of the test if the exhaust recirculation valve does not click: > < Test the electrical connection to the air conditioning system:

Leon Mk1

Continuation of the test if the activated charcoal filter solenoid valve 1 does not click:
Continuation of the test if the activated charcoal filter solenoid valve 1 does not click:
   
–  Detach the connector -1- of the solenoid valve -2--N80- and connect the diode light -V.A.G. 1527- to the detached connector, using the auxiliary leads of the -V.A.G. 1594-. The diode light should flash (brighten and dim)
The diode light flashes:
–  Continue the final control diagnosis until the end.
–  Switch off the ignition.
–  Replace solenoid valve 1 -N80- → Rep. Gr.20
The diode light does not flash:
–  Continue the final control diagnosis until the end.
–  Switch off the ignition.
  N29-0021
–  Connect test box -V.A.G. 1598/31- to the wiring harness of the control unit, without connecting the engine control unit.
  N24-0943
–  Test the wiring for open circuits between test box female contact 64+ double-contact connector 2, following the wiring diagram. Wire resistance: 1.5 Ω max.
–  Also test the wiring for short circuits to battery positive and earth. Target value: ∞ Ω
–  Test for open circuits in the wiring between double-contact connector 1 and the fuel pump relay -J17-, following the wiring diagram. Wire resistance: 1.5 Ω max.
If no wiring fault is found:
–  Replace the engine control unit → Anchor.
  N24-0231

Continuation of the test if the exhaust recirculation valve does not click: > < Test the electrical connection to the air conditioning system: