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ELECTRICAL
109
(B) This is valid for 1.2 NG TC PETROL engine EMS ECUs
No.
Text indicted
Condition
Description
Normal/ Abnormal
1
Immobilizer
programmed in EMS
-
EMS ECU software is
Immobilizer enabled
Normal
Virgin ECU
-
-
Abnormal
2
Engine starting
enabled by EMS
Original E-Key in
SCL
Vehicle Ready to start
Normal
Engine starting
disabled by EMS
No/wrong E-Key in
SCL
Vehicle will not start
Abnormal
3
Immobilizer code
programmed in EMS
but not locked
Pairing operation
not done properly
AES key is written in to
EMS but not locked
Abnormal (displayed
only if exists)
4
Immobilizer code
programmed in EMS
and locked
Pairing operation
OK
AES key is written in to
EMS and locked.
Normal
5
Fast restart inactive
-
-
-
6
Key code OK /
Authentication OK
Successful
authentication &
AES key is OK
AES key for EMS ECU &
Immobilizer are same
Normal
No Valid key detected/
bad Authentication
Check the DTC
code
Vehicle will not start l
Abnormal
7
Free start inactive
-
After pairing of EMS ECU
& Immobilizer, the free
starts are inactive
Normal
8
Immobilizer CAN
communication CAN
OFF/BUS OFF
Refer immobilizer
section
CAN communication
error (bus off/mute)
Abnormal
Immobilizer CAN
communication OK
-
-
Normal
Remedial Action
Following table indicates multiple solutions depending respective case.
Sr. No.
Cases
Corrective Actions
1
E-Key is lost
Get New E-key (1 no.) based on key tag no. Key learning procedure is
required.
2
Both E-Keys are lost
Replace complete lockset (lockset consist of ignition switch with
Immobilizer, 2 E-keys, front door locks, Boot lock & Glove Box lock).
Pairing of EMS ECU and ICU is required.
3
Immobilizer is damaged
Replace complete lockset (lockset consist of ignition switch with
Immobilizer, 2 E-keys, front door locks, Boot lock & Glove Box lock).
Pairing of EMS ECU and ICU is required.
4
If Ignition lock is damaged
Replace complete lockset (lockset consist of ignition switch with
Immobilizer, 2 E-keys, front door locks, Boot lock & Glove Box lock).
Pairing of EMS ECU and ICU is required.
5
If Door or other locks are
damaged
Replace damaged lock only or Replace complete lockset (lockset
consist of ignition switch with Immobilizer, 2 E-keys, front door locks,
Boot lock & Glove Box lock). Pairing of EMS ECU and ICU is required.