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Technical data of self-diagnosis > < Function

Golf Mk3

Running gear self-diagnosis for ABS
Self-diagnosis function, ITT Mark 04
Distinguishing features of ABS and the ABS/EDL, ITT Mark 04

ABS - ITT Mark 04 / Left-hand drive
 
V45-0149

The brake servo boost is produced by vacuum pressure.

→ Distinguishing features:

  • ◆ 10" Brake servo -1-
  • ◆ 10 pins on valve block -2-. When the valve block is installed, the pin assignment is visible first after disconnecting the connector.

ABS/EDL - ITT Mark 04 / Left-hand drive
 
V45-0150

The brake servo boost is produced by vacuum pressure.

→ Distinguishing features:

  • ◆ 10" Brake servo -1-
  • ◆ 14 pins on valve block -2-. When the valve block is installed, the pin assignment is visible first after disconnecting the connector.
  • ◆ ABS/EDL with 14 pins, the valve block -3- is longer and a series resistance (N159) for EDL is installed.

ABS - ITT Mark 04 / Right-hand drive
 
V45-0134

The brake servo boost is produced by vacuum pressure.

→ Distinguishing features:

  • ◆ 9" Brake servo
  • ◆ 10 pins on valve block -2-. When the valve block is installed, the pin assignment is visible first after disconnecting the connector.
  • ◆ Four connections on valve block
  • ◆ A - Brake pipe between master cylinder/secondary piston circuit and hydraulic unit
  • ◆ B - Brake pipe between master cylinder/primary piston circuit and hydraulic unit

ABS/EDL - ITT Mark 04 / Right-hand drive
 
V45-0139

The brake servo boost is produced by vacuum pressure.

→ Distinguishing features:

  • ◆ 9" Brake servo
  • ◆ 14 pins on valve block -2-. When the valve block is installed, the pin assignment is visible first after disconnecting the connector.
  • ◆ ABS/EDL with 14 pins, the valve block -3- is longer and a series resistance (N159) for EDL is installed.
  • ◆ Six connections on valve block
  •      A -     Brake pipe between master cylinder/secondary piston circuit and hydraulic unit
  •      B -     Brake pipe between master cylinder/primary piston circuit and hydraulic unit
  •      1 -     Hydraulic unit to front right brake caliper
  •      2 -     Hydraulic unit to rear left brake caliper
  •      3 -     Hydraulic unit to rear right brake caliper
  •      4 -     Hydraulic unit to front left brake caliper

Technical data of self-diagnosis > < Function