Vehicle Platform: OSPREY / AMP
ECU Name: PEPS
DTC Troubleshooting Data
Version: 1.2
Date: 29 Mar 2017
Author:
Rajasekhara Reddy
Page: 155 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.
B1318 – 15:- Driver Door Handle Switch – Short to Battery or Open
Overview:-
ISO Code (DTC Code)
B1318 - 15
Customer Symptom
Passive vehicle locking or unlocking from driver door side does
not work.
Fault Effects (On Vehicle)
Passive vehicle locking or unlocking from driver door side does
not work.
Lamp Status (If Any)
N.A.
Fault Detection Condition
1. Permanent short circuit to battery/open of Driver door
handle switch.
2. Wire cut & shorting to battery/open of Connector-1 / Pin-
15 signal.
3. Bending of pins-15 of connector-1 and shorting to each
adjacent pin.
Normal Operating Condition
1. Vehicle battery voltage shall be normal.
2. Driver door handle switch shall not be pressed
continuously for more than 20 sec.
3. All doors should be closed and vehicle should be in un-
lock condition.
4. Valid paired UID should be present in driver door side
and driver DHS should be pressed.
Probable Trouble Area
1. Permanent short circuit to battery/Open of Driver door
handle switch.
2. Wire cut & shorting to battery/open of Connector-1 / Pin-
15 signal with vehicle body or together.
3. Bending of pins-15 of connector-1 and shorting to each
adjacent pin.
Healing Condition
1. After fixing short to battery/open fault on driver door
handle switch, passive vehicle locking should be
performed from co-driver DHS or trunk DHS.
2. This is need for driver door handle switch to restore
normal functioning.
3. Finally check passive vehicle locking/unlocking from
driver DHS.
Table 35
:- B1318-15 overview details
Component Details:-
1. Driver door handle switch
2. Driver door handle switch assembly pick-tail.
3. PEPS ECU




