Skoda Octavia Workshop Manual page 43

OCTAVIA
1J0907379 H ABS/EDL 20 IE CAN
Coding 13504
Edition 02.00
S00.5130.51.20
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Self-Diagnosis/Electrical Test
- Depress the clutch pedal and engage 1st
gear.
⇒
- Drive off slowly; the rear wheels must be felt
to start off when this is done against the force
of the handbrake.
Note:
If
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If the rear wheels do not start against the force
of the handbrake:
- Test plug connection (2-pin) at the Haldex
coupling pump -V181- and the wiring accord-
ing to the current flow diagram.
If no fault was found, the oil pressure position-
ing motor -V184 is then faulty.
Note:
If the rear wheels start off against the pressure
of the handbrake:
- Operate the clutch pedal and select the ad-
dress word 03 for ”Brake electronics” at
V.A.G 1552.
K The control unit identification appears in the dis-
0001
→ play of the vehicle system tester V.A.G 1552
WSC XXXXX
(example):
- After the control unit has answered, start off
once again in 1st gear with the handbrake
applied.
In this case, only the front wheels must rotate.
If it is still found that the rear wheels start off
against the force of the handbrake, then replace
the four-wheel drive control unit
!
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Current Flow Diagrams, Electrical Fault
Finding and Fitting Locations binder
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-V184
⇒
page 01-7.
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