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Safety precautions > < General notes to ignition system

Leon Mk2

Motronic injection and ignition system (4-Cyl.)
Servicing ignition system
Removing and installing parts of the ignition system
 
N28-0159
  • Connector
    • ◆ Black, 5 pin
    • ◆ To engine control unit
  • Output stage (N122)
    • ◆ Checking
  • 6 Nm
  • Connector
    • ◆ Black, 4 pin
    • ◆ To ignition coils
  • 10 Nm
    • ◆ Only loosen or tighten with ignition switched off
  • Earth wire
    • ◆ Only loosen or tighten with ignition switched off
  • Connector
    • ◆ Black, 3 pin
  • Locking device
    • ◆ For connector
 
N28-0159
  • Ignition coils (N, N128, N158 and N163)
    • ◆ Spark plug connector can be pulled off
    • ◆ Checking => Page 28-10
  • Seal
    • ◆ Renew if damaged
  • Spark plug, 30 Nm
    • ◆ Remove and install with 3122B
    • ◆ Type and electrode gap
      => Page 28-6, test data, spark plugs
  • 3 pin connector
    • ◆ Contacts gold plated
    • ◆ Brown for knock sensor 1 (G61)
    • ◆ Black for knock sensor 2 (G66)
  • 20 Nm
    • ◆ Tightening torque influences the function of the knock sensor
  • Knock sensor 1 (G61)*
    • ◆ Sensor and connector contacts are gold-plated
    • ◆ Checking => Page 28-17
 
N28-0159
  • Knock sensor 2 (G66)*
    • ◆ Sensor and connector contacts are gold-plated
    • ◆ Checking => Page 28-17
  • Connector
    • ◆ Black, 3 pin
    • ◆ For Hall sender (G40)
  • 10 Nm
  • Hall sender (G40)
    • ◆ Checking => Page 28-7
  • 25 Nm
  • Washer
    • ◆ Conical
  • Hood
    • ◆ For Hall sender (G40)
    • ◆ When installing note fixing arrangement

Safety precautions > < General notes to ignition system