1920 / 5157
yϭϬϰ KƐƉƌĞLJ /ŶƐƚƌƵŵĞŶƚ ůƵƐƚĞƌ
d dƌŽƵďůĞƐŚŽŽƚŝŶŐ ĂƚĂ
sĞƌƐŝŽŶ͗ ϭ͘ϯ
ĂƚĞ͗ ϮϬͲDĂƌĐŚͲϭϳ
Author: Balaji / Amar /
Nitin / Umapathi /
Deepak
Page: 39 of 138
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.
U1010 - 14:- Key In Signal Input Short To Ground or Open
Overview:-
ISO Code
U1010 -14
Customer Symptom
N/A
Fault Effects (On Vehicle)
N/A
Lamp Status (If Any)
N/A
Fault Detection Condition
N/A
Normal Operating Condition
IC shall do the welcome at keyout -> Key In state (Active
High).
Probable Trouble Area
Related wiring Harness, connector or terminals damaged
IPC connector wired wrong,
Harness wire shorted.
Healing Condition
Clearing the Fault. Ignition On/Off
Component Details:-
N/A
Preliminary Checks:-
1. Check Battery Voltage is normal in the range (9v - 16v)
2. Check Key In i/p lines for Pinch/Cut.
3. Check ECU & Key In signal pin for oxidation, bending & damage.
4. Check Key In signal at Pin no. J2-1 of the ECU connector.