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Vehicle Platform: OSPREY / AMP
ECU Name: PEPS
DTC Troubleshooting Data
Version: 1.2
Date: 29 Mar 2017
Author:
Rajasekhara Reddy
Page: 171 of 369
Copyright ©
TATA MOTORS Ltd.
This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author.
Trouble Shooting:-
Start
1. Keep vehicle in static condition.
2. Turn ignition ON -> off ignition.
3. Close all doors including tailgate.
4. Vehicle in unlock state.
5. Keep Paired UID outside the vehicle
near trunk door within 1.5 mts.
6. Press Trunk Door handle switch.
Is Vehicle get
locked?
Yes
No
Is trunk door handle
switch operating
normally?
Yes
Remove Connector-1 in
PEPS and check pin-11 &
pin-1 for bending/shorting
Is trunk
DHS pin
is bend?
No
No
Check continuity between Pin-11 and
Pin-1 of Connector-1 of PEPS ECU.
Switch should not be permanently
short or open.
Fix the pin bending.
Take out the trunk DHS switch from
door handle out of door handle and
check switch function.
Is trunk DHS out of
handle is operating
normally?
Fit properly trunk door handle switch
in handle such that it should be
operable normally.
Yes
No
Replace trunk door
handle switch
Open the picktail connector of trunk
door handle on trunk door.
Stop
Check for the wire cut/open & short circuit to
battery on the harness for trunk door handle
switch signal.
Is DHS Short
Or
Open?
Replace trunk door
handle switch
Fix the cut/open on the harness
for trunk door handle switch
signals.
Check normal operation of Door
handle switch, i.e no fault of switch
permanent short or open.
Connect the battery
Negative terminal.
Remove vehicle
battery Negative
No
Yes
Yes
No
Clear
B131A-11
DTC only.
Connect the battery
Negative terminal.