Troubleshooting Chart - Mahindra SCORPIO 2014 Diagnostic Manual

DIAGNOSTIC MANUAL
SCORPIO
mHAWK IMMOBILISER
Sr
ICU EMS
No:
P8040 P1832
1
P183F
P8041 P1832
2
P183F
P8042 P1832
3
P183F
P8043 P1832
4
P183F
P8044 P1832
5
P183F
Note:183B(Locked State) can come in all the above conditions after 30 consecutive
The repair methods given by the manufacturer in this document are based on the technical specifications, current at the time of release. The methods may be modified as a result of changes
introduced by the manufacturer in the production of the various component units and accessories from which the vehicles are manufactured. The reproduction, translation, transmission, in
part of or whole of the present document, are prohibited without the prior written consent of Mahindra & Mahindra Ltd. The use of this document by any person other than the trained
personnel, at the Authorized Service Centre of Mahindra & Mahindra Ltd., will amount to unauthorized use and shall be liable for penalty/prosecution© 2014 Mahindra & Mahindra Ltd.

TROUBLESHOOTING CHART

IMMOBILISER TROUBLESHOOTING CHART
Interpretation
No signal received from Key
Signal received from the key cannot
be read by ICU.
Signal received can be read, but not
learnt for the particular vehicle.
Blank ICU. No key is learned to the
ICU
Signal from EMS not received by ICU
EMS has not sent the signal
IMMOBILISER
Probable Cause
Defective Key
Defective Antenna
Defective Key
Defective Antenna
Wrong Key Used
New ICU from stock
Disturbance in CAN wiring
(short to +/-, terminating
resistor)
Ignition turned on before EMS
After run got completed.
EMS is not Flashed properly
occurrences.
MAN-00281
DEC 2014/Rev 1
Field Action
Check with both keys. If starting with
second key, replace the first one and
do learning
If not starting with both keys the
Antenna can be defective, replace
ICU and do the learning
Check with both keys. If starting with
second key, replace the first one and
do learning
If not starting with both keys the
Antenna can be defective, replace
ICU and do the learning
Use the correct key and do learning
if required
Perform key learning
Check wiring & rectify
IGN OFF for 2 min and try again.
Replace/Reflash EMS &Perform
ECM - ICU/ICU - Key learning
87