3524 / 4910
Vehicle Platform: OSPREY / AMP
ECU Name: PEPS
DTC Troubleshooting Data
Version: 1.2
Date: 29 Mar 2017
Author:
Rajasekhara Reddy
Page: 242 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.
B1019 – 12:- Control Signal to Crank Relay Output – Short to Battery
Overview:-
ISO Code (DTC Code)
B1019 – 11
Customer Symptom
1. In ACC & IGN not power mode related LED will turn
on in SSB.
2. Vehicle will crank.
3. In IGN, clutch pedal is pressed, clutch telltale will turn
OFF and if release telltale will turn ON.
Fault Effects (On Vehicle)
1. No power mode LED correct indication to user ACC &
IGN.
2. Vehicle will crank.
Lamp Status (If Any)
N.A.
Fault Detection Condition
1. Permanent short circuit to battery of control signal to
crank relay output.
2. Wire cut & shorting to battery of Connector-3 / Pin-17
signal.
3. Bending of pin-17 of connector-3 and shorting to
adjacent pin.
Normal Operating Condition
1. Vehicle battery voltage shall be normal.
2. No fault on control signal to crank relay output should
be present.
Probable Trouble Area
1. Permanent short circuit to battery of control signal to
crank relay output.
2. Wire cut & shorting to battery of Connector-3 / Pin-17
signal with vehicle body.
3. Bending of pin-17 of connector-3 and shorting to
battery pin.
Healing Condition
1. After fixing short to battery fault on control signal to
crank relay output, vehicle will crank normally.
Table 52:- B1019 - 12 overview details
Component Details:-
1. PEPS ECU
2. Crank relay
3. Start/stop button
Preliminary Checks
:-
1. Check vehicle battery voltage, it should be normal.
2. Check ECU pins for oxidation, bending or damage.