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PEPS Part Replacement Procedure
Title: PEPS System Part Replacement Procedure
Spec Num 2921 XX XXX A XXXXTBD
Date:
14-Jan-17
Version:
1.2
Page: 14 of 23
Prepared:
Rakesh / Sandip
Checked:
Nagnath
Approved:
Dinesh DG
This specification is the exclusive property of Tata Motors Limited. Without their consent it may not be reproduced or given to third
parties
.
The above specifications are subject to change and therefore suppliers are requested to refer the latest one.
CONTROLLED COPY FOR RESTRICTED CIRCULATION © TATA MOTORS LTD.
2.3.
Smart key learning procedure
Prerequisite:
All smart keys to be learnt shall be available.
NOTE:
1) Total numbers of smart keys to be learnt are considered as 2.
2) Indicated operational steps along with timings to be followed else learning operation will fail.
PROCEDURE:
1) Place the Smart Key to be learnt within 7 cm around the front / console antenna.
2) Run “Start transponder learning routine initial” through diagnostics. PEPS check the validity
of the key. Refer latest PEPS ESDS for detailed procedure.
3) If above steps is OK, all previous learned smart keys data are deleted (if any). Immobilizer
lamp start blinking (ON=0.1sec, OFF=0.4sec) indicating that PEPS is learning the smart
key.
4) Once respective key is learnt, Immobilizer lamp remains ON indicating that PEPS has
learnt the key. Refer latest PEPS ESDS for detailed procedure.
5) If next key to be learnt,
a) Remove already learnt key from console antenna area and place next key to be
learnt within 10 sec.
b) Once respective key is learnt, Immobilizer lamp remains ON indicating that PEPS
has learnt the key.
6) If further key learning is not required, leave the already learned key in console antenna area
for more than 10 sec. Note that in this case, only one key will be learnt with PEPS and
PEPS will log “partial pairing” DTC which can be ignored.