HARRIER BOOK 2

Vehicle Platform: OSPREY / AMP

ECU Name: PEPS

DTC Troubleshooting Data

Version: 1.2

Date: 29 Mar 2017

Author:

Rajasekhara Reddy

Page: 143 of 369

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.

B1319 – 11:- Co-Driver Door Handle Switch – Short to Ground

Overview:-

ISO Code (DTC Code)

B1319 - 11

Customer Symptom

Passive vehicle locking or unlocking from co-driver door side

does not work.

Fault Effects (On Vehicle)

Passive vehicle locking or unlocking from co-driver door side

does not work.

Lamp Status (If Any)

N.A.

Fault Detection Condition

1. Permanent short circuit of co-driver door handle switch.

2. Wire cut & shorting of Connector-1 / Pin-14 signal with

vehicle body or together.

3. Bending of pins-14 of connector-1 and shorting to each

adjacent pins.

Normal Operating Condition

1. Vehicle battery voltage shall be normal.

2. Co-driver door handle switch shall not be pressed

continuously for more than 20 secs.

3. All door should be closed and vehicle should be in

unlock condition.

4. Valid paired UID should be present in co-driver door

side and driver DHS should be pressed.

Probable Trouble Area

1. Permanent short circuit of co-driver door handle switch.

2. Wire cut & shorting of Connector-1 / Pin-14 signal with

vehicle body or together.

3. Bending of pins-14 of connector-1 and shorting to each

adjacent pins.

Healing Condition

1. After fixing short to ground fault on driver door handle

switch, passive vehicle locking should be performed

from co-driver DHS or trunk DHS.

2. This is need for co-driver door handle switch to restore

normal functioning.

3. Finally check passive vehicle locking/unlocking from co-

driver DHS.

Table 33:-

B1319-11 overview details

Component Details:-

1. Driver door handle switch

2. Driver door handle switch assembly pick-tail.

3. PEPS ECU

Preliminary Checks:-

1. Check vehicle battery voltage, it should be normal.

2. Check ECU pins for oxidation, bending or damage.

Trouble Shooting:-