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03-June-2014
Prepared Author
:
6DUDQJ . 0LWKLSDWL 3
Review & approved by
: R A Rode (ERC-E&E)
Page: 8 of 67
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.
B1636-31: Vehicle Immobilizer Control Module Communication with transponder No signal
Overview:
ISO Code
B1636-31
DTC simple description
Immobilizer communication failed with transponder
Customer Symptom
Vehicle cannot start
Fault Effects (On Vehicle)
Vehicle cannot start
Lamp Status (If Any)
Immo status lamp ON
Fault Detection Condition
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Probable Trouble Area
,PPRELOL]HU WUDQVSRQGHU NH\
Healing Condition
Component Details:
,PPRELOL]HU V\VWHP LV GHVLJQHG WR SUHYHQW YHKLFOH WKHIW E\ HOHFWURQLFDOO\ GLVDEOLQJ WKH HQJLQH VWDUWLQJ V\VWHP 7KH
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SURJUDPPHG FRGH ,PPRELOL]HU XQLW ,&8 LV DQ DGG RQ SDUW RQ WKH LJQLWLRQ VZLWFK ILWWHG RQ WKH VWHHULQJ FROXPQ
7KH HQJLQH FDQ EH VWDUWHG RQO\ ZLWK WKH YHKLFOH¶V RULJLQDO LPPRELOL]HU LJQLWLRQ NH\ 7KH HOHFWURQLF NH\
FRPPXQLFDWHV WKH LGHQWLILFDWLRQ FRGH WR ,&8 ZKHQ WKH NH\ LV WXUQHG WR WKH ,JQLWLRQ 21 SRVLWLRQ
Preliminary Checks:
Transponder key is correct or not
Trouble Shooting:-
Step Checks
IF YES
IF NO
1.
Check the number of keys are learnt with immo =2
Go to next step
Learn the
transponder key
with immobilizer
2
Replace the key with new good one
Go to nest step
3.
Replace the immobilizer.
DTC’s confirmation:-
After rectification, ensure the following points by referring engine parameters using TML diagnostic tool before handing
over to customer.
Circuit Schematic Diagram:
Please refer the immobilizer circuit schematic
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