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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: 3 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.
Change History
Version Page Section
Change details
0.1
All
-
First release
0.2
2.1
Added “ perform step 11 to step 24” in
precheck task before replacement
All
Document flow modified.
0.3
3.0, 4.0, 5.0, 6.0, 7.0, 8.0,
9.0
Added different scenarios for addition and
deletion of smart keys
11.0
Added remedial action for part
replacement.
12.0
Added use case Vs. routine applicability
table
2.2
Clear DTC done after power latch
0.4
All
Reframing of document.
Merging of different scenario.
Smart key learning and deletion
Procedure modified.
Removed remedial action part
Updated use case Vs. applicability table
1.0
2.2
Reading DTC after self-test and input test
routine.
3.3
Point 2 modified to remove dependency
on number on lockset to find tag number.
2.3 (point 6)
1.1
2.2 (point 22)
Added Read all DIDs.
2.2 (point 23)
Added Read status of PEPS Lifecycle
with UID.
2.2 (point 24)
Added Read status of PEPS Lifecycle
with EMS.
3. LF Antenna Replacement
Procedure
LF Antenna Replacement Procedure
added.
5. Figures
Location of Antennas (Console, Rear right
and Tailgate) added.
1.2
Draft
2
Step-15 - Modified to check whether
AES_SK key is locked or not before
writing
Step-16 - New step added to write same
AES_SK key in BCM
Step-18 - New step added to provide the
hard reset to PEPS after writing the
parameter data
Step-19 - New step added to reset PEPS
BCM encryption counter in BCM
Step-20 - New step added to provide the
hard reset to BCM after writing the
parameter data