HARRIER BOOK 2

Vehicle Platform: OSPREY / AMP

ECU Name: PEPS

DTC Troubleshooting Data

Version: 1.2

Date: 29 Mar 2017

Author:

Rajasekhara Reddy

Page: 271 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.

B1321–12 :- Drive signal for Front Centre Console Antenna - circuit Short to battery

Overview:-

ISO Code (DTC Code)

B1321-12

Customer Symptom

Passive Start and passive Entry is not working.

Fault Effects (On Vehicle)

Passive Start does not work.

Lamp Status (If Any)

Fault Detection Condition

When short to battery on front antenna is detected, PEPS logs

this DTC.

Normal Operating Condition

When start request is given with valid UID, vehicle start.

Probable Trouble Area

1. Cable connection damaged.

2. Antenna Fault

Healing Condition

At IGN ON, when LF diagnostics routine is run, DTC shall not

be logged.

Table 58:- B1321 - 12 overview details

Component Details:-

1. PEPS ECU

Preliminary Checks:-

1. Check respective ECU pins for oxidation, bending, & damage.