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Author: Balaji / Amar /
Nitin / Umapathi /
Deepak
Page: 67 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.
Trouble Shooting:-
Turn ON Ignition.
Connect the TML Diagnostic Tool.
Check the status of DTC’s (Memorized/Current)
Record the DTC & Clear DTC’s
Turn Ignition OFF & ON
Verify If DTC B191E -12 is present
Is DTC
B191E-12 is
Present?
Check for continuity between
Pin No.J1-1(Batt) & J1-9 of
ECU Connector.
Is Continuity
Present?
Illumination o/p is Short Circuit to Battery.
Rectify Fault at wiring Harness to recover the fault.
Clear the DTC.
Functionality: Make park lamp ON -> press the set
button short press one time -> set button short
press to change illumination level -> Set button
long press to save & exit and also observe the
Illumination changes on cluster, center stack &
fascia switches.
Clear the DTC from the ECU memory.
Turn Ignition OFF & ON.
Check the function of Illumination i/p.
Functionality: Make park lamp ON -> press
the set button short press one time -> set
button short press to change illumination
level -> Set button long press to save & exit
and also observe the Illumination changes
on cluster, center stack & fascia switches.
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