Westfalia 321 556 391 101 Instructions De Montage page 26

Checking correct operation
35. Reconnect the ground of the vehicle's battery.
36. The factory-fitted Gateway must be coded for function extension 'towing hitch' using the
V.A.G. service tester as follows.
•
19 Diagnosis interface for data bus
o Read/write long coding
37. For vehicles up to and including model year 2007 fitted with Park Distance Control, adjust the
PDC offset value:
•
Address 76 (Park Distance Control)
o Adjustment
38. For vehicles from model year 2008 fitted with Park Distance Control or Park Assist, code the
control unit in the self-diagnosis using the VAS tester:
•
Address 10 (Park Distance Control or Park Assist)
o Code the control unit
39. "When using a trailer, the vehicle's central fuse, relay and terminal box must coded as follows
to deactivate the rear fog lamp:
•
Select vehicle system: 09 Central electronic fuse, relay and terminal box
o Identification: Continue
26
69 Trailer function (code)
Channel 2
•
0–30 cm (standard: 11 cm)
Change the code value: Byte 0 Bit sample xxxxxxx1 (x: enter the available
values in the entry field). To do this, switch to entry mode [BIN].
Select diagnostic function: 007 – Coding (Technical Support 1A)
• Select vehicle system: Electrical system control unit Coding lang
o Change coding value: Byte 8 bit character set x1xxxxxx (x:
enter the current values in the input field), and switch to input
mode [BIN]."
321 556 391 101 - 009 - 04/08
Installation instructions:
Electrical system for towing hitch
VW Caddy III, Caddy Maxi