3519 / 4910
Vehicle Platform: OSPREY / AMP
ECU Name: PEPS
DTC Troubleshooting Data
Version: 1.2
Date: 29 Mar 2017
Author:
Rajasekhara Reddy
Page: 237 of 369
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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 – 11:- Control signal for Crank Relay Output – Short to Ground
Overview:-
ISO Code (DTC Code)
B1018 - 11
Customer Symptom
1. In OFF no LED, In ACC Amber color LED ON & In
IGN color LED ON w.r.t power modes.
2. Vehicle will not 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. Power mode will change between OFF, ACC & IGN.
2. Vehicle will not crank.
Lamp Status (If Any)
N.A.
Fault Detection Condition
1. Permanent short circuit to ground of control signal to
crank relay output.
2. Wire cut & shorting to ground 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 ground of control signal to
crank relay output.
2. Wire cut & shorting to ground of Connector-3 / Pin-17
signal with vehicle body.
3. Bending of pin-17 of connector-3 and shorting to
ground pin.
Healing Condition
1. After fixing short to ground fault on control signal to
crank relay output, vehicle will crank normally.
Table 51:- B1019-11 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.