TOPIx - SSM66317 - L405 Deployable Side Step Module Initialisation

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Initialisation of DSS.pdf
Reference SSM66317
Models Range Rover (All New) / L405
Title L405 Deployable Side Step Module Initialisation
Category Accessories
Last modified 13-Jun-2013 00:00:00
Symptom Electrical Accessories
Issue:
Dealers are reporting that the when conducting the
initialisation procedure the Deployable Side Steps do not
function.
Content

Action:
Please see attached file which details the full initialisation
procudure and the process which is to be followed if the
initialisation process does not switch the DSS system ON.

http://topix.landrover.jlrint.com/topix/service/archive/418171/index

6/14/2013

PREPRE-INITIALISATION OF DSS AFTER
INSTALLATION (SWITCHING THE SYSTEM
OFF/ON)

FUNCTION SWITCH INDICATOR DOES
NOT FLASH AFTER INITIALISATION
SEQUENCE

When the DSS is first installed the electronic
ECU module is delivered in an 'OFF' condition.
This is designed to prevent the steps from
deploying/stowing unintentionally after
installation.

It has been identified that the DSS
initialisation process does not always switch
the DSS system ON/OFF.

Before proceeding with initialisation of the
DSS module, the ignitiion should be switched
on and off to allow the vehicle network to be
awake; please refer to the owners hand book
for instructions.

After performing the "SWITCHING THE
SYSTEM ON/OFF" process, if the function
switch indicator does not flash the process
of "SWITCHING THE SYSTEM ON/OFF"
should be repeated up to 10 times until the
function switch indicator flashes.

If after 10 attempts the system still fails to
turn ON/OFF the system should be
INITIALISATION OF DSS
diagnosed with dealer network tools (SDD)
and any Device Trouble Codes (DTC's)
'SWITCHING THE SYSTEM OFF/ON '
shuold be cleared and the process from the
Initialisation of the DSS should be made within PRE-INITIALISATION stage repeated.
60 seconds of PRE-INITIALISATION.
The DSS system is switched ON as follows;
Ensure the ignition is OFF.
Press and hold the DSS function switch and
within 2* seconds of holding the DSS function
switch, press the START/STOP button to turn
the ignition on

The function switch indicator will flash 3 times
to indicate that the system is switched ON.
To switch the system OFF, the same
proceedure should be followed and the
function switch indicator will flash 2 times to
indicate that the system is off.
* Failure to turn the ignition ON within 2
seconds of pressing the function switch will
prevent the system from switching ON/OFF