ELECTRICAL
133
20.
Execute Service Test Routine for BCM ECU
a.
Execute BCM EOL Self-test routine (31 01 20
01)
b.
Read the DTCs from BCM ECU with the help
of diagnostic tool. If any DTC is present follow
the respective troubleshooting procedure to it.
c.
Execute Input switch test routine (31 01 34 09
06)
d.
Read Input switch test routine results with the
help of diagnostic tool. If any DTC is present
follow the respective DTC troubleshooting
procedure to rectify it.
MAJOR PRECAUTIONS FOR REPLACEMENT
1. While replacing the BCMs, it is suggested not to
touch the BCM pins with hand.
2. While tightening the screws, tightening torque
must not exceed
3. BCM upper and lower covers shall not be
removed while verifying/replacing the BCM.
4. All of the service tool instructions for BCM
replacement shall be followed.
5. Base and Mid BCMs shall be replaced ONE TO
ONE in place of the faulty parts.
LEARNING OF THE RKE (REMOTE KEY)
Learn the RKE (remote key) as per below
mentioned procedure
a.
Unlock the vehicle and open the driver door.
b.
Turn ON->OFF->ON Ignition 6 times within 6
seconds and observe flasher feedback. Two
flashes of Left - Right indicator Lamps and
Telltale outputs that indicates BCM entered
into Remote key learn mode.
c.
During 10 seconds time period, press both
Lock and Unlock buttons of Remote Key
simultaneously.
d.
BCM shall flash Left - Right indicator lamp and
Telltale twice. In parallel, doors get locked and
unlocked.
e.
Learn next Remote Key as per steps c and d, if
required.
Note:
Maximum four keys can be learned.
f.
On exiting learning mode, BCM shall give
single long flash.
