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DIAGNOSTIC MANUAL
STEP 2
Ignition OFF
Battery negative
DISCONNECTED
Wait for one minute
Driver Curtain air bag
harness connector
DISCONNECTED
Connect the Dummy resistor to
Driver Curtain air bag wiring
harness connector
Battery negative CONNECTED
Ignition ON
Using diagnostic tool , verify if
B10A3 is still present?
STEP 3
Ignition OFF
Battery negative
DISCONNECTED
Wait for one minute
SRS ECU wiring harness
connector/s DISCONNECTED
Driver Curtain air bag
harness connector
DISCONNECTED
Connect the Dummy resistor to
Driver Curtain air bag wiring
harness connector
Check the resistance between
pin B15 and B16 of the SRS
ECU wiring harness connector
Suspect SRS ECU
Replace SRS ECU with a new
one.
Check and verify for any new
DTC's
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© 2011 Mahindra & Mahindra Ltd.
SRS
STEP 1
Connect the smart tester
Turn the ignition ON
Initialise the diagnostic tool
Record the DTC and clear
Turn ignition OFF
Turn ignition ON
Wait for few seconds
Verify if B10A3 is present?
YES
Is B10A3 present?
wiring
YES
Is B10A3 present?
wiring
Is the value=2±
YES
0.3 Ω?
MAN-00156
OCT 2011/Rev 1
NO
Intermittent problem exists
Refer the intermittent problem
inspection procedure
NO
Suspect Driver Curtain air bag
Ignition OFF
Battery negative
DISCONNECTED
Wait for one minute
Replace Driver Curtain air bag
with a new one.
Clear the DTC and verify
NO
Replace the wiring harness
Clear the DTC and verify
101
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