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Transponder & CAN based Immobilizer (Continental)
Part Replacement handling – Service Documentation
TITLE
: Immobilizer (Conti) Service Manual-Osprey
xxxx
Date
: 15-9-15
Version
: 0.1
Page
:
9 of 27
Prepared :
Amanulla Bugga
Approved: Dinesh G Dodmane
This specification is the exclusive property of Tata Motors Limited. Without their consent it may not be
reproduced or given to third parties
.
The above specifications are subject to change and therefore
suppliers are requested to refer the latest one.
CONTROLLED COPY FOR RESTRICTED CIRCULATION
3.
Diagnostic Troubleshooting Table for both EMS & ICU, with DTCs:
3.1.
This is valid for Osprey Diesel DCM2.5P EMS ECU
Following chart has information (DTC’s under different operating conditions), which may occur on vehicle.
No
Scenario
DTC codes
Status lamp
(“lock”
symbol)
Vehicle
starting
Remarks
EMS
IMMO
IGN
OFF
IGN
ON
1.
CAN_H or CAN_L or both
wire open circuit
U1009 U0028-13 Blink ON
No
NO_RESPONSE and
CAN_MUTE error
2.
CAN_H & CAN_L wires
swapped
-
-
Blink ON
No
CAN_OFF and
CAN_MUTE error
3.
CAN_H / CAN_L shorted to
GND or Vbatt, OR Shorted
to each other
U1009
U0028-
88
Blink ON
No
CAN_OFF and
CAN_MUTE error
4.
No battery supply to ICU
-
--
OFF OFF
Yes
Permanent error
status
5.
No Ignition supply to ICU
-
U3007-14 Blink Blink
Yes
"NO_RESPONSE”
from Immo error in
EMS.
6.
No Ground connection to
ICU
P3018
--
OFF OFF
No
"NO_RESPONSE”
from Immo error in
EMS.
7.
Different AES key code in
EMS & ICU
P0513
B1639-06 Blink ON
No
-
8.
Battery supply < 6.5V
-
U3006-16 Blink OFF
No
-
9.
Battery supply > 16V
-
U3006-17 Blink OFF
No
-
10.
Mechanical key
(without transponder)
P3017 B1636-31 Blink ON
No
-
11.
Wrong E-key (mismatch of
transponder & code in ICU) P3017 B1636-81 Blink ON
No
-
12.
Required E-keys are not
learnt with Immobilizer
--
B1637-84 Blink ON
Yes
-
13.
Immo Antenna failure
-
B163D-13 Blink ON
No
-
14.
Immo hardware fault
-
B163A-96 Blink ON
No
-
15.
Immo Memory failure
-
U1006-
42
Blink ON
No