Wiring Diagrams – SEAT Leon 1 (1M, 1M1) (From November 1999)

INDEX:

  1. Basic equipment.
  2. 1.8l petrol engine, APP, AJQ – Motronic/132 kW.
  3. 1.9l SDI diesel engine, AQM– 50kW.
  4. Cruise control system (GRA), APP, AJQ.
  5. Fog light and rear fog lights.
  6. Day-time running light.
  7. Convenience system.
  8. Convenience system.
  9. Trailer operation.
  10. Trailer operation.
  11. All-wheel drive (syncro) for petrol engines.
  12. All-wheel drive (syncro) for diesel engines.
  13. Socket.
  14. Basic equipment.
  15. 1.4l petrol engine, AHW – 4CV/55 kW.
  16. 1.4l petrol engine, APE – 4LV/55 kW.
  17. 1.6l petrol engine, AEH, AKL – Simos/74 kW.
  18. 1.6l petrol engine, AUS – Marelli 4LV/77 kW.
  19. 1.8l petrol engine, AGN, APT – Motronic/92 kW.
  20. 1.8l petrol engine, APG – Motronic/92 kW.
  21. 2.3l petrol engine, AGZ – Motronic/110 kW.
  22. 1.9l TDI diesel engine, AGR, ALH, AHF, ASV – 66 kW/81 kW.
  23. Cruise control system (CCS), AUS.
  24. Air conditioner.
  25. Climatronic.
  26. Airbags.
  27. Front and rear interior light.
  28. All-wheel drive (syncro) for petrol engines.
  29. All-wheel drive (syncro) for diesel engines.
  30. 1.4l petrol engine, APE, AUA, AXP – 4LV/55 kW.
  31. 1.6l petrol engine, AUS – Marelli 4LV/77 kW.
  32. 2.3l petrol engine, AQN – Motronic/125 kW.
  33. 1.9l TDI diesel engine, AGR, ALH, AHF, ASV – 66 kW/81 kW.
  34. Airbags.
  35. 1.8l petrol engine, APP – Motronic/132 kW.
  36. Headlight washers.
  37. Cruise control system (CCS), AGR, ALH, AHF, ASV.
  38. Cruise control system (CCS), AJM.
  39. Cruise control system (CCS), AQM.
  40. Cruise control system (GRA), AQN.
  41. Radiator fan, 2 speed (only models without air conditioner with manual or automatic control), APG, AEH, APE, AUA, AXP.
  42. Convenience system.
  43. Convenience system.
  44. Convenience system.
  45. Convenience system.
  46. Seats and rear view mirrors with memories.
  47. Radio.
  48. Radio – navigation system.
  49. Radio – navigation – telephone system.
  50. Radio – telephone system.
  51. Fog light and rear fog lights.
  52. Fog light and rear fog lights.
  53. Volumetric alarm.
  54. Taxi.
  55. 1.8l petrol engine, APG – Motronic/92 kW.
  56. Cruise control system (GRA), APG.
  57. Standard equipment.
  58. Standard equipment.
  59. 1.6l petrol engine, AUS – Marelli 4LV/77 kW.
  60. 1.8l petrol engine, APG – Motronic/92 kW.
  61. 1.8l petrol engine, APP, ARY, AJQ, AUQ – Motronic/132 kW.
  62. 2.3l petrol engine, AQN – Motronic/125 kW.
  63. 2.8l petrol engine, AUE, BDE – Motronic/150 kW.
  64. 1.9l TDI diesel engine, ARL – 110 kW.
  65. Automatic gearbox (AG4), APG.
  66. Trailer operation.
  67. Trailer operation.
  68. Antidazzle mirror and rain sensor.
  69. Ambient temperature and gear display.
  70. Headlight wiper.
  71. Day-time running light.
  72. Day-time running light.
  73. Cruise control system (CCS), APG.
  74. Cruise control system (CCS), APP, ARY, AJQ, AUQ.
  75. Cruise control system (CCS), AUS, AZD, BCB.
  76. Cruise control system (CCS), AQN.
  77. Cruise control system (CCS), AUE, BDE.
  78. Anti-blocking system (ABS), Anti-blocking system with electronic differential blocking (EDS) and brake pad wear control, only vehicle with Syncro (MARK 20).
  79. Anti-blocking system (ABS), Anti-blocking system with electronic differential blocking (EDS), traction control system (TCS), electronic stabilisation program and brake pad wear control (MARK 60).
  80. All-wheel drive (Syncro) for diesel engines.
  81. All-wheel drive (Syncro) for diesel engines.
  82. Radiator fan, 2 speed, with radiator fan run-on, AUE, BDE (only models without air conditioner with manual or automatic control).
  83. Radio – navigation system (MDF) with traffic report analysis.
  84. CAN bus network – activation.
  85. Radiator fan, 2 speed, ARL, (only models without air conditioner with manual or automatic control).
  86. Automatic gearbox (AG4), AEH, AGN, APT.
  87. Cruise control system (CCS), APE, AUA, AXP, BCA.
  88. Cruise control system (CCS), AEH, AKL.
  89. Cruise control system (CCS), AGN.
  1. Position of relays and fuses.
  2. Wiring harness interconnection station.
  3. Control units and relays.
  4. Multiple connectors.

Fault location program.